Chapter 8 Tables
<< Back to Table 8.1a

Table 8.1a. Internal Consistency: Conners 4 Parent Normative Samples Content Scales

Scale

Number of Items

Age Group

Combined Gender

Males

Females

N

α

ω

MIC

N

α

ω

MIC

N

α

ω

MIC

Inattention/Executive Dysfunction

20

6 to 7

260

.97

.97

.49

130

.96

.96

.48

130

.97

.97

.51

8 to 9

260

.97

.97

.55

130

.98

.98

.60

130

.97

.97

.50

10 to 11

260

.97

.97

.53

130

.96

.97

.52

130

.97

.97

.53

12 to 13

260

.97

.97

.50

130

.98

.98

.52

130

.97

.97

.49

14 to 15

260

.97

.97

.48

130

.97

.97

.46

130

.97

.97

.50

16 to 18

260

.97

.97

.55

130

.97

.97

.59

130

.97

.97

.48

Hyperactivity

11

6 to 7

260

.93

.93

.43

130

.93

.93

.43

130

.93

.93

.44

8 to 9

260

.92

.93

.43

130

.93

.94

.47

130

.91

.92

.39

10 to 11

260

.93

.93

.45

130

.92

.93

.47

130

.93

.93

.44

12 to 13

260

.93

.93

.36

130

.94

.94

.35

130

.92

.92

.37

14 to 15

260

.94

.94

.46

130

.94

.94

.46

130

.93

.94

.47

16 to 18

260

.91

.91

.44

130

.91

.91

.49

130

.92

.92

.39

Impulsivity

9

6 to 7

260

.92

.92

.44

130

.92

.92

.42

130

.92

.92

.45

8 to 9

260

.92

.92

.48

130

.93

.93

.48

130

.89

.90

.47

10 to 11

260

.91

.92

.54

130

.91

.91

.56

130

.92

.92

.52

12 to 13

260

.93

.93

.41

130

.93

.93

.40

130

.92

.92

.42

14 to 15

260

.94

.95

.49

130

.95

.95

.48

130

.94

.94

.49

16 to 18

260

.91

.91

.46

130

.91

.91

.51

130

.92

.92

.39

Emotional Dysregulation

8

6 to 7

260

.93

.93

.54

130

.93

.93

.56

130

.94

.94

.52

8 to 9

260

.94

.94

.59

130

.95

.95

.59

130

.94

.94

.59

10 to 11

260

.94

.94

.60

130

.95

.95

.66

130

.94

.94

.53

12 to 13

260

.95

.95

.59

130

.95

.95

.59

130

.95

.95

.59

14 to 15

260

.95

.95

.53

130

.97

.97

.53

130

.94

.94

.54

16 to 18

260

.95

.95

.56

130

.95

.95

.57

130

.96

.96

.54

Depressed Mood

6

6 to 7

260

.91

.92

.36

130

.89

.89

.33

130

.93

.94

.37

8 to 9

260

.90

.90

.44

130

.92

.92

.45

130

.86

.87

.44

10 to 11

260

.88

.89

.57

130

.88

.89

.58

130

.88

.88

.55

12 to 13

260

.90

.90

.47

130

.89

.90

.51

130

.90

.91

.42

14 to 15

260

.93

.94

.45

130

.94

.94

.34

130

.93

.93

.54

16 to 18

260

.91

.91

.41

130

.93

.93

.46

130

.89

.89

.33

Anxious Thoughts

5

6 to 7

260

.88

.88

.46

130

.86

.86

.42

130

.90

.90

.47

8 to 9

260

.91

.91

.52

130

.92

.92

.56

130

.89

.89

.48

10 to 11

260

.89

.89

.58

130

.88

.89

.60

130

.89

.90

.56

12 to 13

260

.92

.92

.49

130

.93

.93

.46

130

.90

.91

.51

14 to 15

260

.92

.92

.44

130

.94

.94

.38

130

.91

.91

.50

16 to 18

260

.91

.91

.50

130

.91

.91

.54

130

.90

.91

.45

Note. α = alpha; ω = omega; MIC = mean inter-item correlation.



<< Back to Table 8.1b

Table 8.1b. Internal Consistency: Conners 4 Parent Normative Samples Impairment & Functional Outcome Scales

Scale

Number of Items

Age Group

Combined Gender

Males

Females

N

α

ω

MIC

N

α

ω

MIC

N

α

ω

MIC

Schoolwork

6

6 to 7

260

.90

.91

.45

130

.93

.93

.44

130

.88

.89

.45

8 to 9

260

.91

.91

.49

130

.92

.92

.52

130

.89

.89

.42

10 to 11

260

.91

.91

.47

130

.92

.92

.50

130

.90

.91

.46

12 to 13

260

.92

.92

.38

130

.92

.93

.44

130

.90

.90

.29

14 to 15

260

.91

.91

.43

130

.92

.92

.49

130

.90

.91

.38

16 to 18

260

.88

.88

.47

130

.89

.90

.51

130

.86

.86

.40

Peer Interactions

6

6 to 7

260

.87

.88

.52

130

.85

.87

.46

130

.88

.89

.57

8 to 9

260

.90

.91

.58

130

.91

.92

.62

130

.88

.89

.51

10 to 11

260

.91

.92

.58

130

.89

.90

.65

130

.93

.93

.51

12 to 13

260

.93

.93

.59

130

.94

.94

.60

130

.91

.92

.56

14 to 15

260

.93

.93

.39

130

.95

.95

.39

130

.90

.92

.40

16 to 18

260

.94

.94

.49

130

.93

.94

.52

130

.93

.94

.44

Family Life

7

6 to 7

260

.95

.95

.58

130

.96

.96

.58

130

.95

.95

.57

8 to 9

260

.94

.94

.57

130

.95

.95

.59

130

.93

.94

.57

10 to 11

260

.95

.95

.61

130

.95

.95

.64

130

.95

.95

.58

12 to 13

260

.95

.95

.53

130

.96

.96

.60

130

.95

.95

.47

14 to 15

260

.95

.95

.59

130

.96

.96

.61

130

.94

.94

.58

16 to 18

260

.94

.94

.54

130

.95

.95

.56

130

.92

.93

.50

Note. α = alpha; ω = omega; MIC = mean inter-item correlation.



<< Back to Table 8.1c

Table 8.1c. Internal Consistency: Conners 4 Parent Normative Samples DSM Symptom Scales

Scale

Number of Items

Age Group

Combined Gender

Males

Females

N

α

ω

MIC

N

α

ω

MIC

N

α

ω

MIC

ADHD Inattentive Symptoms

11

6 to 7

260

.93

.94

.48

130

.93

.93

.46

130

.94

.94

.51

8 to 9

260

.94

.95

.54

130

.96

.96

.58

130

.93

.93

.49

10 to 11

260

.94

.94

.51

130

.94

.94

.51

130

.95

.95

.52

12 to 13

260

.95

.95

.50

130

.96

.96

.50

130

.94

.94

.49

14 to 15

260

.95

.95

.46

130

.94

.94

.45

130

.95

.95

.48

16 to 18

260

.94

.94

.52

130

.94

.95

.57

130

.94

.94

.44

ADHD Hyperactive/Impulsive Symptoms

13

6 to 7

260

.94

.94

.41

130

.94

.94

.41

130

.94

.94

.42

8 to 9

260

.94

.94

.43

130

.95

.95

.44

130

.92

.92

.41

10 to 11

260

.93

.93

.47

130

.93

.93

.48

130

.94

.94

.48

12 to 13

260

.94

.94

.34

130

.94

.94

.34

130

.93

.94

.33

14 to 15

260

.95

.95

.46

130

.95

.95

.45

130

.95

.95

.47

16 to 18

260

.92

.92

.44

130

.92

.92

.49

130

.92

.92

.38

Total ADHD Symptoms

24

6 to 7

260

.96

.96

.39

130

.96

.96

.49

130

.97

.97

.41

8 to 9

260

.96

.96

.43

130

.97

.97

.58

130

.95

.95

.40

10 to 11

260

.96

.96

.43

130

.95

.95

.58

130

.96

.96

.45

12 to 13

260

.96

.97

.36

130

.97

.97

.55

130

.96

.96

.35

14 to 15

260

.97

.97

.44

130

.96

.97

.52

130

.97

.97

.45

16 to 18

260

.96

.96

.43

130

.96

.96

.53

130

.96

.96

.36

Oppositional Defiant Disorder Symptoms

10

6 to 7

260

.94

.95

.49

130

.95

.95

.49

130

.94

.94

.49

8 to 9

260

.95

.95

.59

130

.95

.95

.58

130

.94

.94

.58

10 to 11

260

.94

.95

.54

130

.94

.95

.58

130

.94

.95

.50

12 to 13

260

.96

.96

.51

130

.96

.96

.55

130

.96

.96

.46

14 to 15

260

.95

.95

.50

130

.96

.96

.52

130

.94

.95

.47

16 to 18

260

.95

.95

.50

130

.96

.96

.53

130

.94

.94

.45

Conduct Disorder Symptoms

15

6 to 7

260

.96

.96

.41

130

.78

.79

.48

130

.96

.96

.37

8 to 9

260

.97

.97

.34

130

.94

.95

.36

130

.96

.96

.33

10 to 11

260

.97

.97

.44

130

.93

.94

.24

130

.96

.96

.57

12 to 13

260

.96

.96

.31

130

.91

.91

.35

130

.93

.94

.31

14 to 15

260

.97

.97

.32

130

.86

.87

.27

130

.98

.98

.34

16 to 18

260

.95

.96

.42

130

.89

.90

.44

130

.79

.81

.35

Note. α = alpha; ω = omega; MIC = mean inter-item correlation. DSM Conduct Disorder Symptoms items 17 and 70 were removed from MIC analyses for Males due to sparse data.



<< Back to Table 8.2a

Table 8.2a. Internal Consistency: Conners 4 Teacher Normative Samples Content Scales

Scale

Number of Items

Age Group

Combined Gender

Males

Females

N

α

ω

MIC

N

α

ω

MIC

N

α

ω

MIC

Inattention/
Executive
Dysfunction

20

6 to 7

260

.98

.98

.61

130

.98

.98

.61

130

.98

.98

.58

8 to 9

260

.98

.98

.56

130

.98

.98

.57

130

.97

.97

.54

10 to 11

260

.98

.98

.61

130

.98

.98

.61

130

.98

.98

.59

12 to 13

260

.98

.98

.57

130

.98

.98

.57

130

.97

.97

.56

14 to 15

260

.98

.98

.58

130

.98

.98

.59

130

.98

.98

.56

16 to 18

260

.98

.98

.59

130

.97

.98

.60

130

.98

.98

.55

Hyperactivity

11

6 to 7

260

.96

.96

.54

130

.95

.95

.56

130

.96

.96

.48

8 to 9

260

.95

.95

.47

130

.96

.96

.47

130

.94

.94

.47

10 to 11

260

.95

.96

.56

130

.96

.96

.57

130

.95

.95

.53

12 to 13

260

.94

.94

.43

130

.94

.94

.44

130

.94

.94

.43

14 to 15

260

.96

.96

.58

130

.96

.96

.58

130

.96

.96

.56

16 to 18

260

.93

.94

.55

130

.93

.94

.59

130

.94

.94

.48

Impulsivity

9

6 to 7

260

.95

.95

.55

130

.95

.95

.56

130

.96

.96

.49

8 to 9

260

.95

.95

.54

130

.95

.95

.52

130

.94

.94

.56

10 to 11

260

.95

.95

.55

130

.95

.95

.57

130

.94

.94

.51

12 to 13

260

.95

.95

.48

130

.94

.94

.50

130

.95

.95

.45

14 to 15

260

.95

.95

.60

130

.95

.95

.58

130

.94

.94

.61

16 to 18

260

.94

.94

.56

130

.94

.94

.58

130

.94

.94

.51

Emotional
Dysregulation

8

6 to 7

260

.97

.97

.71

130

.98

.98

.77

130

.97

.97

.60

8 to 9

260

.97

.97

.64

130

.98

.98

.68

130

.96

.96

.61

10 to 11

260

.97

.97

.62

130

.98

.98

.62

130

.96

.96

.61

12 to 13

260

.97

.97

.58

130

.97

.97

.61

130

.96

.96

.55

14 to 15

260

.97

.97

.69

130

.97

.97

.72

130

.97

.97

.63

16 to 18

260

.96

.96

.70

130

.96

.96

.76

130

.95

.95

.60

Depressed Mood

6

6 to 7

260

.92

.92

.54

130

.93

.93

.56

130

.89

.90

.52

8 to 9

260

.91

.91

.52

130

.91

.91

.47

130

.91

.92

.57

10 to 11

260

.93

.93

.47

130

.93

.94

.45

130

.93

.94

.50

12 to 13

260

.92

.93

.44

130

.91

.92

.42

130

.93

.94

.45

14 to 15

260

.91

.91

.43

130

.90

.91

.49

130

.91

.91

.35

16 to 18

260

.90

.90

.44

130

.89

.89

.46

130

.91

.91

.41

Anxious Thoughts

5

6 to 7

260

.93

.93

.51

130

.93

.93

.51

130

.93

.93

.51

8 to 9

260

.89

.90

.39

130

.89

.90

.48

130

.89

.90

.32

10 to 11

260

.90

.90

.49

130

.90

.91

.41

130

.90

.90

.54

12 to 13

260

.85

.86

.47

130

.91

.91

.43

130

.79

.81

.52

14 to 15

260

.89

.89

.56

130

.86

.88

.56

130

.90

.90

.56

16 to 18

260

.89

.89

.47

130

.88

.89

.49

130

.90

.91

.45

Note. α = alpha; ω = omega; MIC = mean inter-item correlation.



<< Back to Table 8.2b

Table 8.2b. Internal Consistency: Conners 4 Teacher Normative Samples Impairment & Functional Outcome Scales

Scale

Number of Items

Age Group

Combined Gender

Males

Females

N

α

ω

MIC

N

α

ω

MIC

N

α

ω

MIC

Schoolwork

6

6 to 7

260

.93

.93

.62

130

.93

.93

.57

130

.92

.93

.65

8 to 9

260

.94

.94

.62

130

.94

.94

.63

130

.94

.94

.58

10 to 11

260

.94

.94

.65

130

.93

.93

.66

130

.95

.95

.60

12 to 13

260

.94

.94

.59

130

.95

.95

.60

130

.94

.94

.53

14 to 15

260

.95

.95

.56

130

.95

.95

.57

130

.94

.94

.54

16 to 18

260

.94

.94

.62

130

.94

.94

.63

130

.93

.93

.58

Peer Interactions

6

6 to 7

260

.94

.94

.62

130

.94

.94

.64

130

.95

.95

.60

8 to 9

260

.94

.95

.54

130

.95

.95

.55

130

.93

.94

.54

10 to 11

260

.95

.95

.40

130

.95

.95

.42

130

.95

.95

.36

12 to 13

260

.93

.93

.48

130

.93

.94

.50

130

.93

.93

.45

14 to 15

260

.88

.88

.58

130

.88

.88

.57

130

.87

.87

.60

16 to 18

260

.91

.91

.61

130

.91

.91

.64

130

.91

.91

.55

Note. α = alpha; ω = omega; MIC = mean inter-item correlation.



<< Back to Table 8.2c

Table 8.2c. Internal Consistency: Conners 4 Teacher Normative Samples DSM Symptom Scales

Scale

Number of Items

Age Group

Combined Gender

Males

Females

N

α

ω

MIC

N

α

ω

MIC

N

α

ω

MIC

ADHD Inattentive Symptoms

11

6 to 7

260

.96

.96

.61

130

.96

.96

.61

130

.96

.96

.59

8 to 9

260

.96

.96

.58

130

.96

.96

.59

130

.95

.95

.56

10 to 11

260

.96

.96

.61

130

.96

.96

.62

130

.96

.96

.58

12 to 13

260

.96

.96

.59

130

.96

.96

.60

130

.96

.96

.55

14 to 15

260

.96

.96

.59

130

.96

.96

.59

130

.96

.96

.57

16 to 18

260

.96

.96

.59

130

.96

.96

.60

130

.96

.96

.56

ADHD Hyperactive/Impulsive Symptoms

13

6 to 7

260

.97

.97

.54

130

.96

.96

.56

130

.97

.97

.47

8 to 9

260

.96

.96

.48

130

.96

.96

.46

130

.95

.96

.51

10 to 11

260

.96

.96

.55

130

.96

.96

.57

130

.95

.95

.50

12 to 13

260

.95

.95

.45

130

.95

.95

.45

130

.96

.96

.44

14 to 15

260

.97

.97

.58

130

.97

.97

.58

130

.96

.96

.58

16 to 18

260

.95

.95

.55

130

.94

.95

.57

130

.95

.95

.50

Total ADHD Symptoms

24

6 to 7

260

.98

.98

.51

130

.98

.98

.52

130

.98

.98

.46

8 to 9

260

.97

.97

.48

130

.97

.97

.45

130

.97

.97

.50

10 to 11

260

.97

.97

.51

130

.97

.97

.51

130

.97

.97

.49

12 to 13

260

.97

.97

.44

130

.97

.97

.43

130

.97

.97

.41

14 to 15

260

.98

.98

.54

130

.97

.97

.54

130

.97

.97

.52

16 to 18

260

.97

.97

.50

130

.96

.97

.50

130

.97

.97

.46

Oppositional Defiant Disorder Symptoms

10

6 to 7

260

.97

.97

.69

130

.97

.97

.72

130

.97

.97

.60

8 to 9

260

.97

.97

.62

130

.96

.96

.57

130

.97

.97

.66

10 to 11

260

.98

.98

.53

130

.98

.98

.55

130

.97

.97

.50

12 to 13

260

.97

.97

.56

130

.97

.97

.57

130

.98

.98

.53

14 to 15

260

.96

.96

.63

130

.96

.96

.63

130

.96

.96

.63

16 to 18

260

.96

.96

.60

130

.96

.96

.58

130

.96

.96

.61

Conduct Disorder Symptoms

15

6 to 7

260

.95

.95

.41

130

.94

.95

.46

130

.89

.90

.28

8 to 9

260

.95

.95

.44

130

.86

.88

.38

130

.92

.93

.47

10 to 11

260

.97

.97

.32

130

.97

.97

.33

130

.84

.86

.32

12 to 13

260

.97

.97

.39

130

.90

.92

.39

130

.97

.97

.38

14 to 15

260

.96

.96

.31

130

.88

.90

.34

130

.93

.95

.22

16 to 18

260

.96

.96

.35

130

.96

.96

.39

130

.88

.89

.27

Note. α = alpha; ω = omega; MIC = mean inter-item correlation.



<< Back to Table 8.3a

Table 8.3a. Internal Consistency: Conners 4 Self-Report Normative Samples Content Scales

Scale

Number of Items

Age Group

Combined Gender

Males

Females

N

α

ω

MIC

N

α

ω

MIC

N

α

ω

MIC

Inattention/Executive Dysfunction

20

8 to 9

220

.94

.94

.34

110

.95

.95

.35

110

.93

.93

.34

10 to 11

220

.94

.94

.43

110

.94

.94

.45

110

.94

.94

.40

12 to 13

220

.96

.96

.46

110

.96

.96

.49

110

.95

.95

.43

14 to 15

220

.96

.96

.38

110

.96

.96

.40

110

.96

.96

.36

16 to 18

220

.94

.95

.36

110

.95

.95

.40

110

.94

.94

.32

Hyperactivity

11

8 to 9

220

.90

.90

.33

110

.92

.92

.30

110

.88

.88

.37

10 to 11

220

.89

.89

.38

110

.87

.87

.43

110

.91

.91

.31

12 to 13

220

.91

.91

.38

110

.92

.93

.38

110

.88

.88

.38

14 to 15

220

.90

.91

.33

110

.90

.91

.32

110

.91

.91

.34

16 to 18

220

.89

.89

.37

110

.88

.88

.41

110

.90

.90

.31

Impulsivity

9

8 to 9

220

.86

.86

.35

110

.86

.87

.38

110

.85

.86

.32

10 to 11

220

.87

.87

.33

110

.88

.88

.31

110

.86

.86

.35

12 to 13

220

.87

.87

.42

110

.86

.86

.45

110

.88

.88

.39

14 to 15

220

.90

.90

.34

110

.91

.91

.38

110

.89

.89

.30

16 to 18

220

.87

.87

.32

110

.89

.89

.34

110

.85

.86

.30

Emotional Dysregulation

8

8 to 9

220

.87

.87

.44

110

.88

.88

.46

110

.86

.87

.43

10 to 11

220

.90

.90

.46

110

.91

.91

.47

110

.90

.90

.46

12 to 13

220

.91

.91

.48

110

.92

.92

.49

110

.91

.91

.47

14 to 15

220

.91

.92

.44

110

.92

.92

.51

110

.91

.91

.39

16 to 18

220

.91

.91

.36

110

.93

.93

.38

110

.88

.89

.35

Depressed Mood

6

8 to 9

220

.84

.84

.35

110

.81

.82

.29

110

.86

.86

.40

10 to 11

220

.84

.85

.44

110

.78

.80

.44

110

.88

.89

.45

12 to 13

220

.89

.90

.51

110

.90

.91

.47

110

.89

.89

.55

14 to 15

220

.91

.91

.47

110

.90

.90

.42

110

.93

.93

.51

16 to 18

220

.90

.90

.32

110

.88

.88

.28

110

.92

.92

.37

Anxious Thoughts

6

8 to 9

220

.91

.91

.48

110

.92

.92

.44

110

.89

.89

.51

10 to 11

220

.90

.90

.53

110

.88

.88

.48

110

.91

.91

.57

12 to 13

220

.92

.92

.59

110

.90

.91

.58

110

.93

.93

.60

14 to 15

220

.93

.93

.54

110

.93

.93

.46

110

.93

.93

.61

16 to 18

220

.91

.91

.49

110

.88

.89

.51

110

.93

.93

.48

Note. α = alpha; ω = omega; MIC = mean inter-item correlation.



<< Back to Table 8.3b

Table 8.3b. Internal Consistency: Conners 4 Self-Report Normative Samples Impairment & Functional Outcome Scales

Scale

Number of Items

Age Group

Combined Gender

Males

Females

N

α

ω

MIC

N

α

ω

MIC

N

α

ω

MIC

Schoolwork

6

8 to 9

220

.82

.83

.31

110

.85

.86

.33

110

.79

.80

.28

10 to 11

220

.82

.83

.37

110

.83

.84

.39

110

.81

.81

.36

12 to 13

220

.86

.87

.36

110

.86

.87

.35

110

.85

.87

.37

14 to 15

220

.85

.86

.35

110

.84

.85

.33

110

.86

.87

.37

16 to 18

220

.84

.85

.31

110

.83

.85

.35

110

.85

.86

.27

Peer Interactions

6

8 to 9

220

.82

.84

.30

110

.80

.82

.31

110

.85

.86

.29

10 to 11

220

.80

.81

.27

110

.80

.81

.25

110

.80

.82

.29

12 to 13

220

.79

.80

.31

110

.78

.80

.33

110

.80

.81

.28

14 to 15

220

.81

.82

.28

110

.82

.84

.26

110

.80

.81

.31

16 to 18

220

.79

.80

.35

110

.78

.78

.32

110

.80

.81

.38

Family Life

7

8 to 9

220

.83

.83

.40

110

.83

.84

.39

110

.82

.83

.41

10 to 11

220

.87

.88

.32

110

.87

.87

.35

110

.88

.88

.30

12 to 13

220

.83

.83

.45

110

.86

.86

.49

110

.80

.80

.41

14 to 15

220

.89

.89

.40

110

.90

.91

.46

110

.87

.88

.36

16 to 18

220

.85

.86

.32

110

.88

.89

.32

110

.84

.85

.31

Note. α = alpha; ω = omega; MIC = mean inter-item correlation.



<< Back to Table 8.3c

Table 8.3c. Internal Consistency: Conners 4 Self-Report Normative Samples DSM Symptom Scales

Scale

Number of Items

Age Group

Combined Gender

Males

Females

N

α

ω

MIC

N

α

ω

MIC

N

α

ω

MIC

ADHD Inattentive Symptoms

11

8 to 9

220

.90

.90

.31

110

.91

.91

.31

110

.87

.88

.32

10 to 11

220

.88

.89

.39

110

.89

.89

.42

110

.89

.89

.36

12 to 13

220

.92

.92

.43

110

.92

.93

.46

110

.90

.91

.40

14 to 15

220

.93

.93

.36

110

.93

.93

.37

110

.92

.92

.35

16 to 18

220

.90

.91

.34

110

.91

.91

.37

110

.90

.90

.29

ADHD Hyperactive/Impulsive Symptoms

13

8 to 9

220

.91

.91

.32

110

.92

.92

.29

110

.89

.90

.36

10 to 11

220

.89

.90

.31

110

.88

.88

.36

110

.91

.91

.26

12 to 13

220

.89

.90

.36

110

.91

.91

.38

110

.87

.87

.35

14 to 15

220

.91

.91

.30

110

.91

.91

.30

110

.91

.91

.29

16 to 18

220

.88

.88

.36

110

.88

.88

.38

110

.88

.89

.32

Total ADHD Symptoms

24

8 to 9

220

.94

.95

.30

110

.95

.95

.29

110

.93

.93

.31

10 to 11

220

.93

.94

.32

110

.93

.93

.36

110

.94

.94

.29

12 to 13

220

.94

.95

.37

110

.95

.95

.38

110

.94

.94

.35

14 to 15

220

.95

.95

.30

110

.95

.95

.30

110

.95

.95

.30

16 to 18

220

.94

.94

.33

110

.94

.94

.38

110

.94

.94

.28

Oppositional Defiant Disorder Symptoms

10

8 to 9

220

.90

.90

.38

110

.90

.90

.38

110

.89

.89

.37

10 to 11

220

.91

.91

.40

110

.91

.91

.41

110

.91

.91

.38

12 to 13

220

.92

.92

.41

110

.92

.93

.44

110

.91

.91

.38

14 to 15

220

.92

.92

.37

110

.92

.93

.42

110

.91

.92

.31

16 to 18

220

.90

.90

.33

110

.92

.92

.34

110

.88

.88

.32

Conduct Disorder Symptoms

15

8 to 9

220

.92

.93

.25

110

.89

.90

—

110

.91

.92

.32

10 to 11

220

.94

.94

.24

110

.86

.86

—

110

.94

.94

.23

12 to 13

220

.93

.93

.35

110

.86

.86

—

110

.91

.91

.22

14 to 15

220

.95

.96

.35

110

.89

.90

—

110

.74

.77

.21

16 to 18

220

.95

.95

.25

110

.90

.91

—

110

.87

.88

.28

Note. α = alpha; ω = omega; MIC = mean inter-item correlation. Mean inter-item correlations for DSM Conduct Disorder Symptoms for Males could not be calculated due to sparse data for certain items.



<< Back to Table 8.4

Table 8.4. Internal Consistency: Conners 4 Parent ADHD Reference Samples

Scale

Number of Items

Age Group

Combined Gender

Males

Females

N

α

ω

MIC

N

α

ω

MIC

N

α

ω

MIC

Content Scales

Inattention/Executive Dysfunction

20

6 to 12

358

.94

.95

.48

237

.95

.95

.47

121

.94

.94

.50

13 to 18

202

.96

.96

.40

131

.96

.96

.41

71

.96

.97

.36

Hyperactivity

11

6 to 12

358

.93

.93

.45

237

.93

.93

.44

121

.93

.93

.48

13 to 18

202

.93

.93

.47

131

.92

.92

.48

71

.94

.94

.47

Impulsivity

9

6 to 12

358

.91

.91

.53

237

.91

.91

.54

121

.93

.93

.51

13 to 18

202

.93

.93

.47

131

.94

.94

.45

71

.93

.93

.51

Emotional Dysregulation

8

6 to 12

358

.94

.94

.67

237

.94

.94

.65

121

.94

.95

.73

13 to 18

202

.96

.96

.60

131

.96

.96

.60

71

.97

.97

.59

Depressed Mood

6

6 to 12

358

.89

.90

.51

237

.88

.89

.53

121

.90

.91

.47

13 to 18

202

.90

.91

.46

131

.91

.91

.44

71

.89

.90

.50

Anxious Thoughts

5

6 to 12

358

.90

.90

.56

237

.89

.89

.57

121

.92

.92

.55

13 to 18

202

.91

.91

.53

131

.91

.91

.49

71

.90

.90

.58

Impairment & Functional
Outcome Scales

Schoolwork

6

6 to 12

358

.87

.88

.57

237

.88

.89

.54

121

.85

.86

.62

13 to 18

202

.91

.92

.46

131

.90

.91

.48

71

.93

.94

.42

Peer Interactions

6

6 to 12

358

.93

.93

.61

237

.93

.93

.60

121

.93

.93

.63

13 to 18

202

.94

.94

.59

131

.93

.93

.58

71

.95

.95

.60

Family Life

7

6 to 12

358

.93

.93

.58

237

.93

.93

.53

121

.93

.93

.65

13 to 18

202

.93

.94

.56

131

.92

.93

.56

71

.95

.96

.56

DSM Symptom Scales

ADHD Inattentive Symptoms

11

6 to 12

358

.90

.90

.48

237

.91

.91

.48

121

.88

.89

.49

13 to 18

202

.93

.93

.39

131

.93

.93

.41

71

.94

.94

.35

ADHD Hyperactive/Impulsive Symptoms

13

6 to 12

358

.93

.94

.45

237

.93

.93

.45

121

.94

.94

.45

13 to 18

202

.94

.94

.45

131

.94

.94

.45

71

.94

.94

.46

Total ADHD Symptoms

24

6 to 12

358

.93

.93

.37

237

.93

.93

.38

121

.94

.94

.36

13 to 18

202

.95

.95

.31

131

.95

.95

.30

71

.95

.95

.32

Oppositional Defiant Disorder Symptoms

10

6 to 12

358

.93

.93

.55

237

.93

.93

.52

121

.93

.93

.61

13 to 18

202

.95

.95

.50

131

.94

.94

.50

71

.96

.96

.50

Conduct Disorder Symptoms

15

6 to 12

358

.94

.94

—

237

.94

.94

—

121

.92

.92

—

13 to 18

202

.90

.90

—

131

.89

.89

—

71

.90

.90

—

Note. α = alpha; ω = omega; MIC = mean inter-item correlation. Mean inter-item correlations for DSM Conduct Disorder Symptoms could not be calculated due to sparse data for certain items.



<< Back to Table 8.5

Table 8.5. Internal Consistency: Conners 4 Teacher ADHD Reference Samples

Scale

Number of Items

Age Group

Combined Gender

Males

Females

N

α

ω

MIC

N

α

ω

MIC

N

α

ω

MIC

Content Scales

Inattention/Executive Dysfunction

20

6 to 12

188

.96

.96

.57

134

.97

.97

.57

54

.95

.95

.59

13 to 18

133

.97

.97

.49

93

.97

.97

.51

40

.85

.87

.43

Hyperactivity

11

6 to 12

188

.96

.96

.55

134

.96

.96

.52

54

.96

.96

.62

13 to 18

133

.96

.96

.59

93

.95

.95

.58

40

.82

.84

.61

Impulsivity

9

6 to 12

188

.94

.94

.59

134

.94

.94

.58

54

.95

.95

.56

13 to 18

133

.95

.95

.56

93

.95

.95

.55

40

.96

.96

.59

Emotional Dysregulation

8

6 to 12

188

.98

.98

.74

134

.98

.98

.76

54

.98

.98

.66

13 to 18

133

.98

.98

.76

93

.98

.98

.76

40

.90

.91

.74

Depressed Mood

6

6 to 12

188

.87

.88

.50

134

.89

.89

.52

54

.82

.83

.43

13 to 18

133

.91

.92

.39

93

.92

.92

.41

40

.89

.90

.30

Anxious Thoughts

5

6 to 12

188

.90

.90

.45

134

.91

.91

.42

54

.86

.87

.51

13 to 18

133

.87

.88

.51

93

.86

.87

.54

40

.90

.90

.43

Impairment & Functional Outcome Scales

Schoolwork

6

6 to 12

188

.92

.92

.60

134

.92

.92

.60

54

.91

.91

.58

13 to 18

133

.93

.93

.55

93

.93

.94

.56

40

.92

.93

.52

Peer Interactions

6

6 to 12

188

.95

.95

.63

134

.95

.95

.64

54

.94

.94

.60

13 to 18

133

.95

.95

.67

93

.95

.95

.68

40

.95

.95

.65

DSM Symptom Scales

ADHD Inattentive Symptoms

11

6 to 12

188

.94

.94

.58

134

.94

.94

.57

54

.93

.93

.61

13 to 18

133

.95

.96

.51

93

.95

.95

.52

40

.78

.82

.49

ADHD Hyperactive/
Impulsive Symptoms

13

6 to 12

188

.96

.96

.54

134

.96

.96

.53

54

.97

.97

.57

13 to 18

133

.96

.96

.57

93

.96

.96

.57

40

.86

.88

.60

Total ADHD Symptoms

24

6 to 12

188

.96

.96

.44

134

.96

.96

.42

54

.95

.95

.48

13 to 18

133

.96

.96

.43

93

.96

.96

.44

40

.96

.96

.39

Oppositional Defiant Disorder Symptoms

10

6 to 12

188

.97

.97

.58

134

.97

.97

.56

54

.88

.89

.59

13 to 18

133

.96

.96

.66

93

.95

.95

.65

40

.97

.97

.69

Conduct Disorder Symptoms

13

6 to 12

188

.86

.87

—

134

.87

.88

—

54

.85

.86

—

13 to 18

133

.81

.83

—

93

.81

.83

—

40

.80

.81

—

Note. α = alpha; ω = omega; MIC = mean inter-item correlation. Mean inter-item correlations for DSM Conduct Disorder Symptoms could not be calculated due to sparse data for certain items.



<< Back to Table 8.6

Table 8.6. Internal Consistency: Conners 4 Self-Report ADHD Reference Samples

Scale

Number of Items

Age Group

Combined Gender

Males

Females

N

α

ω

MIC

N

α

ω

MIC

N

α

ω

MIC

Content Scales

Inattention/Executive Dysfunction

20

8 to 12

117

.93

.93

.37

72

.93

.93

.37

45

.92

.93

.35

13 to 18

112

.94

.94

.34

71

.94

.94

.35

40

.93

.94

.33

Hyperactivity

11

8 to 12

117

.87

.87

.30

72

.87

.87

.28

45

.86

.86

.34

13 to 18

112

.86

.86

.31

71

.84

.85

.32

40

.89

.90

.29

Impulsivity

9

8 to 12

117

.88

.88

.37

72

.86

.87

.36

45

.87

.88

.37

13 to 18

112

.87

.87

.38

71

.87

.87

.35

40

.87

.88

.36

Emotional Dysregulation

8

8 to 12

117

.90

.90

.42

72

.89

.90

.40

45

.91

.91

.44

13 to 18

112

.89

.89

.45

71

.89

.89

.44

40

.89

.90

.47

Depressed Mood

6

8 to 12

117

.90

.90

.40

72

.89

.89

.25

45

.92

.92

.49

13 to 18

112

.84

.85

.47

71

.73

.76

.46

40

.90

.90

.51

Anxious Thoughts

6

8 to 12

117

.94

.94

.49

72

.95

.95

.43

45

.91

.91

.48

13 to 18

112

.89

.90

.60

71

.87

.88

.66

40

.88

.88

.51

Impairment & Functional
Outcome Scales

Schoolwork

6

8 to 12

117

.80

.80

.29

72

.75

.76

.29

45

.85

.86

.29

13 to 18

112

.78

.80

.30

71

.79

.81

.25

40

.79

.80

.36

Peer Interactions

6

8 to 12

117

.86

.86

.30

72

.86

.86

.37

45

.84

.85

.24

13 to 18

112

.79

.80

.40

71

.83

.84

.42

40

.73

.73

.37

Family Life

7

8 to 12

117

.79

.80

.27

72

.77

.79

.33

45

.81

.82

.19

13 to 18

112

.78

.79

.30

71

.82

.83

.29

40

.69

.71

.30

DSM Symptom Scales

ADHD Inattentive Symptoms

11

8 to 12

117

.86

.87

.34

72

.86

.87

.33

45

.87

.87

.35

13 to 18

112

.89

.89

.30

71

.88

.89

.30

40

.89

.90

.30

ADHD Hyperactive/
Impulsive Symptoms

13

8 to 12

117

.87

.88

.26

72

.88

.88

.24

45

.87

.87

.29

13 to 18

112

.85

.85

.30

71

.83

.83

.31

40

.87

.88

.29

Total ADHD Symptoms

24

8 to 12

117

.92

.92

.27

72

.92

.93

.26

45

.92

.92

.26

13 to 18

112

.92

.92

.28

71

.92

.92

.29

40

.92

.92

.26

Oppositional Defiant Disorder Symptoms

10

8 to 12

117

.87

.87

.31

72

.85

.85

.33

45

.87

.88

.28

13 to 18

112

.88

.88

.29

71

.89

.89

.27

40

.87

.87

.30

Conduct Disorder Symptoms

15

8 to 12

117

.87

.88

—

72

.88

.89

—

45

.84

.85

—

13 to 18

112

.86

.86

—

71

.81

.82

—

40

.84

.85

—

Note. α = alpha; ω = omega; MIC = mean inter-item correlation. Mean inter-item correlations for DSM Conduct Disorder Symptoms could not be calculated due to sparse data for certain items.



<< Back to Table 8.7a

Table 8.7a. Standard Error of Measurement for T-scores: Conners 4 Normative Samples Content Scales

Scale

Number of Items

Age Group

Parent

Teacher

Self-Report

Combined Gender

Males

Females

Combined Gender

Males

Females

Combined Gender

Males

Females

Inattention/
Executive
Dysfunction

20

6 to 7

1.71

1.90

1.78

1.37

1.53

1.55

—

—

—

8 to 9

1.64

1.49

1.84

1.51

1.49

1.62

2.38

2.20

2.59

10 to 11

1.80

1.85

1.74

1.43

1.45

1.48

2.48

2.44

2.48

12 to 13

1.59

1.45

1.76

1.53

1.50

1.59

2.06

1.93

2.17

14 to 15

1.72

1.74

1.68

1.43

1.45

1.51

2.01

1.90

2.10

16 to 18

1.73

1.70

1.76

1.50

1.56

1.48

2.33

2.23

2.42

Hyperactivity

11

6 to 7

2.70

2.71

2.64

2.08

2.14

2.05

—

—

—

8 to 9

2.72

2.54

2.91

2.17

2.05

2.38

3.10

2.83

3.43

10 to 11

2.68

2.72

2.58

2.12

2.10

2.31

3.31

3.58

3.00

12 to 13

2.68

2.53

2.86

2.42

2.45

2.36

3.00

2.73

3.40

14 to 15

2.49

2.39

2.53

1.98

1.99

2.01

3.06

3.06

3.00

16 to 18

2.93

2.99

2.82

2.51

2.54

2.40

3.27

3.45

3.12

Impulsivity

9

6 to 7

2.78

2.75

2.76

2.13

2.25

2.03

—

—

—

8 to 9

2.88

2.63

3.22

2.31

2.25

2.42

3.70

3.63

3.78

10 to 11

2.90

3.01

2.83

2.32

2.30

2.51

3.59

3.41

3.73

12 to 13

2.72

2.66

2.79

2.30

2.40

2.19

3.66

3.71

3.53

14 to 15

2.32

2.17

2.43

2.24

2.16

2.38

3.13

2.94

3.29

16 to 18

2.96

3.04

2.86

2.48

2.45

2.50

3.54

3.24

3.80

Emotional
Dysregulation

8

6 to 7

2.55

2.59

2.49

1.66

1.55

1.83

—

—

—

8 to 9

2.41

2.32

2.51

1.59

1.41

1.89

3.54

3.39

3.66

10 to 11

2.38

2.25

2.48

1.58

1.36

2.00

3.11

3.05

3.11

12 to 13

2.16

2.15

2.17

1.80

1.62

1.95

2.92

2.81

2.93

14 to 15

2.13

1.85

2.49

1.85

1.84

1.82

2.90

2.80

2.97

16 to 18

2.12

2.13

2.09

2.02

1.93

2.13

3.04

2.69

3.37

Depressed Mood

6

6 to 7

2.89

3.28

2.55

2.84

2.58

3.17

—

—

—

8 to 9

3.15

2.78

3.59

2.94

2.98

2.87

3.97

4.25

3.73

10 to 11

3.31

3.25

3.39

2.57

2.52

2.53

3.89

4.43

3.35

12 to 13

3.13

3.18

3.02

2.72

2.87

2.54

3.18

3.06

3.25

14 to 15

2.54

2.41

2.64

3.01

3.06

2.92

2.93

3.10

2.68

16 to 18

2.96

2.59

3.36

3.17

3.27

3.02

3.12

3.41

2.81

Anxious Thoughts

5

(6 for SR)

6 to 7

3.44

3.73

3.15

2.60

2.57

2.60

—

—

—

8 to 9

3.05

2.77

3.28

3.20

3.20

3.18

3.07

2.79

3.29

10 to 11

3.26

3.39

3.23

3.11

3.02

3.12

3.22

3.43

3.01

12 to 13

2.86

2.63

3.06

3.72

2.93

4.32

2.84

3.04

2.67

14 to 15

2.77

2.54

2.96

3.29

3.49

3.13

2.58

2.62

2.61

16 to 18

3.05

3.01

3.07

3.26

3.39

3.03

2.93

3.38

2.57

Note. SR = Self-Report.



<< Back to Table 8.7b

Table 8.7b. Standard Error of Measurement for T-scores: Conners 4 Normative Samples Impairment & Functional Outcome Scales

Scale

Number of Items

Age Group

Parent

Teacher

Self-Report

Combined Gender

Males

Females

Combined Gender

Males

Females

Combined Gender

Males

Females

Schoolwork

6

6 to 7

3.06

2.68

3.34

2.61

2.60

2.71

—

—

—

8 to 9

2.95

2.80

3.29

2.41

2.39

2.50

4.14

3.79

4.51

10 to 11

2.98

2.78

3.05

2.37

2.63

2.14

4.17

4.01

4.31

12 to 13

2.84

2.73

3.15

2.36

2.28

2.51

3.62

3.55

3.61

14 to 15

2.95

2.80

3.05

2.24

2.24

2.41

3.81

3.93

3.60

16 to 18

3.43

3.17

3.72

2.48

2.48

2.66

3.82

3.87

3.75

Peer Interactions

6

6 to 7

3.47

3.57

3.34

2.41

2.51

2.23

—

—

—

8 to 9

3.05

2.88

3.27

2.33

2.24

2.49

4.03

4.19

3.80

10 to 11

2.83

3.20

2.59

2.26

2.25

2.26

4.32

4.31

4.24

12 to 13

2.57

2.40

2.85

2.61

2.54

2.64

4.44

4.47

4.36

14 to 15

2.56

2.23

2.89

3.46

3.44

3.57

4.24

4.05

4.31

16 to 18

2.44

2.46

2.48

2.94

2.94

2.97

4.49

4.65

4.31

Family Life

7

6 to 7

2.22

2.09

2.27

—

—

—

—

—

—

8 to 9

2.43

2.32

2.53

—

—

—

4.10

4.05

4.16

10 to 11

2.24

2.19

2.30

—

—

—

3.52

3.57

3.42

12 to 13

2.17

2.09

2.16

—

—

—

4.10

3.76

4.45

14 to 15

2.16

1.90

2.39

—

—

—

3.29

3.08

3.51

16 to 18

2.41

2.14

2.68

—

—

—

3.71

3.38

3.86


<< Back to Table 8.7c

Table 8.7c. Standard Error of Measurement for T-scores: Conners 4 Normative Samples DSM Symptom Scales

Scale

Number of Items

Age Group

Parent

Teacher

Self-Report

Combined Gender

Males

Females

Combined Gender

Males

Females

Combined Gender

Males

Females

DSM ADHD Inattentive Symptoms

11

6 to 7

2.53

2.61

2.45

2.01

2.02

2.06

—

—

—

8 to 9

2.33

2.10

2.68

2.02

2.00

2.15

3.20

2.97

3.49

10 to 11

2.41

2.52

2.29

1.88

1.92

1.95

3.37

3.35

3.32

12 to 13

2.18

2.01

2.39

1.97

1.94

2.07

2.85

2.66

3.03

14 to 15

2.33

2.38

2.26

1.89

1.89

2.04

2.71

2.57

2.83

16 to 18

2.35

2.34

2.38

1.92

1.99

1.96

3.06

3.00

3.13

DSM ADHD Hyperactive/Impulsive
Symptoms

13

6 to 7

2.47

2.51

2.41

1.85

1.93

1.80

—

—

—

8 to 9

2.53

2.33

2.77

2.00

1.94

2.11

3.02

2.83

3.24

10 to 11

2.58

2.59

2.51

1.96

1.94

2.17

3.23

3.48

2.95

12 to 13

2.49

2.44

2.54

2.17

2.30

1.98

3.22

2.92

3.60

14 to 15

2.19

2.16

2.19

1.84

1.83

1.95

3.01

2.95

3.03

16 to 18

2.84

2.84

2.79

2.24

2.29

2.16

3.39

3.42

3.39

DSM Total ADHD Symptoms

24

6 to 7

1.89

1.92

1.84

1.52

1.55

1.55

—

—

—

8 to 9

1.91

1.74

2.18

1.70

1.70

1.78

2.33

2.14

2.58

10 to 11

2.02

2.14

1.89

1.59

1.61

1.72

2.53

2.58

2.44

12 to 13

1.85

1.77

1.97

1.67

1.77

1.59

2.33

2.17

2.52

14 to 15

1.85

1.86

1.80

1.56

1.61

1.61

2.19

2.13

2.22

16 to 18

2.07

2.06

2.07

1.80

1.86

1.82

2.48

2.49

2.48

DSM
Oppositional Defiant Disorder Symptoms

10

6 to 7

2.34

2.21

2.45

1.71

1.78

1.64

—

—

—

8 to 9

2.31

2.17

2.51

1.82

1.94

1.72

3.22

3.15

3.35

10 to 11

2.34

2.34

2.31

1.51

1.41

1.76

3.00

2.95

3.02

12 to 13

1.98

2.00

2.02

1.72

1.85

1.55

2.87

2.72

2.98

14 to 15

2.18

2.02

2.33

2.00

2.02

1.98

2.85

2.73

2.91

16 to 18

2.23

2.10

2.38

1.97

2.03

1.94

3.15

2.88

3.46

DSM Conduct Disorder
Symptoms

15

6 to 7

2.00

4.54

2.05

2.18

2.25

3.22

—

—

—

8 to 9

1.74

2.34

2.03

2.18

3.47

2.72

2.73

3.19

2.83

10 to 11

1.75

2.54

2.00

1.84

1.77

3.80

2.46

3.72

2.35

12 to 13

1.96

3.00

2.37

1.83

2.89

1.72

2.64

3.70

2.96

14 to 15

1.62

3.54

1.47

2.06

3.23

2.27

2.10

3.23

4.81

16 to 18

2.11

3.23

4.32

1.90

2.05

3.27

2.17

3.04

3.44


<< Back to Table 8.8

Table 8.8. Standard Error of Measurement for T-scores: Conners 4 ADHD Reference Samples

Scale

Number of Items

Age Group

Parent

Teacher

Self-Report

Combined Gender

Males

Females

Combined Gender

Males

Females

Combined Gender

Males

Females

Content Scales

Inattention/Executive Dysfunction

20

6 to 12

2.33

2.24

2.48

1.91

1.82

2.14

2.65

2.62

2.66

13 to 18

1.97

2.00

1.86

1.59

1.60

3.64

2.48

2.46

2.53

Hyperactivity

11

6 to 12

2.62

2.60

2.65

2.04

2.06

1.95

3.65

3.56

3.70

13 to 18

2.69

2.75

2.44

2.09

2.26

3.98

3.68

3.91

3.21

Impulsivity

9

6 to 12

2.93

3.04

2.70

2.41

2.44

2.20

3.43

3.67

3.48

13 to 18

2.57

2.52

2.64

2.15

2.19

2.00

3.57

3.60

3.49

Emotional Dysregulation

8

6 to 12

2.35

2.35

2.34

1.48

1.47

1.46

3.13

3.24

2.98

13 to 18

1.93

2.04

1.60

1.46

1.40

2.97

3.26

3.28

3.09

Depressed Mood

6

6 to 12

3.23

3.33

3.02

3.50

3.28

4.18

3.13

3.25

2.77

13 to 18

3.05

2.94

3.23

2.87

2.75

3.17

3.84

4.91

3.16

Anxious Thoughts

5

(6 for SR)

6 to 12

3.12

3.26

2.82

3.15

2.94

3.65

2.49

2.19

2.95

13 to 18

3.01

2.96

3.12

3.48

3.60

3.13

3.23

3.46

3.40

Impairment & Functional Outcome Scales

Schoolwork

6

6 to 12

3.42

3.26

3.74

2.86

2.76

2.98

4.46

4.89

3.71

13 to 18

2.79

2.96

2.44

2.60

2.55

2.72

4.47

4.39

4.45

Peer Interactions

6

6 to 12

2.65

2.66

2.55

2.26

2.19

2.36

3.77

3.68

3.84

13 to 18

2.50

2.57

2.24

2.30

2.30

2.30

4.52

3.99

5.17

Family Life

7

6 to 12

2.61

2.63

2.56

—

—

—

4.43

4.59

4.22

13 to 18

2.49

2.71

2.10

—

—

—

4.55

4.12

5.34

DSM Symptom Scales

ADHD Inattentive Symptoms

11

6 to 12

3.13

3.01

3.37

2.44

2.37

2.56

3.64

3.67

3.56

13 to 18

2.61

2.61

2.50

2.12

2.17

4.23

3.30

3.35

3.22

ADHD Hyperactive/Impulsive Symptoms

13

6 to 12

2.54

2.57

2.47

1.95

1.96

1.81

3.53

3.50

3.62

13 to 18

2.53

2.54

2.45

1.96

2.09

3.49

3.89

4.13

3.50

Total ADHD Symptoms

24

6 to 12

2.63

2.67

2.50

2.01

1.94

2.19

2.78

2.73

2.82

13 to 18

2.27

2.23

2.28

1.90

2.01

1.95

2.84

2.88

2.82

Oppositional Defiant Disorder Symptoms

10

6 to 12

2.59

2.59

2.55

1.73

1.78

3.27

3.59

3.81

3.46

13 to 18

2.25

2.42

1.93

2.02

2.12

1.72

3.48

3.30

3.57

Conduct Disorder Symptoms

15

6 to 12

2.39

2.45

2.86

3.67

3.41

3.71

3.50

3.34

3.90

13 to 18

3.11

3.27

3.19

4.18

4.17

4.33

3.72

4.22

3.83

Note. SR = Self-Report. Age Group intervals are 6 to 12 years and 13 to 18 years for Parent and Teacher, and 8 to 12 years and 13 to 18 years for Self-Report.



<< Back to Table 8.9

Table 8.9. Test-Retest Reliability: Conners 4 Parent

Scale

Obtained
r

Corrected
r

Time 1

Time 2

M

Mdn

SD

M

Mdn

SD

Content Scales

Inattention/Executive Dysfunction

.90

.95

47.1

46

8.2

45.9

44

8.3

Hyperactivity

.84

.92

48.3

47

8.0

46.7

45

8.3

Impulsivity

.85

.90

48.2

47

8.1

47.7

45

9.5

Emotional Dysregulation

.82

.94

48.9

47

7.9

47.3

45

6.8

Depressed Mood

.69

.83

48.4

47

8.1

48.2

46

7.9

Anxious Thoughts

.64

.88

47.5

44

6.2

47.8

44

7.3

Impairment & Functional
Outcome Scales

Schoolwork

.86

.96

46.4

44

7.5

46.2

45

6.4

Peer Interactions

.94

.98

47.4

45

7.6

47.2

45

7.6

Family Life

.79

.91

48.4

46

7.0

47.5

45

8.0

DSM Symptom Scales

ADHD Inattentive Symptoms

.89

.94

47.0

45

8.2

46.3

45

8.4

ADHD Hyperactive/Impulsive Symptoms

.88

.94

48.1

47

7.7

46.9

45

8.7

Total ADHD Symptoms

.91

.96

47.5

46

7.8

46.4

45

8.6

Oppositional Defiant Disorder Symptoms

.82

.91

48.2

45

8.5

46.9

45

7.8

Conduct Disorder Symptoms

.78

.99

47.5

45

4.6

47.2

45

4.0

Note. N = 81. All correlations significant, p < .001. Guidelines for interpreting |r|: very weak < .20, weak = .20 to .39, moderate = .40 to .59, strong = .60 to .79, very strong ≥ .80.



<< Back to Table 8.10

Table 8.10. Test-Retest Reliability: Conners 4 Teacher

Scale

Obtained
r

Corrected
r

Time 1

Time 2

M

Mdn

SD

M

Mdn

SD

Content Scales

Inattention/Executive Dysfunction

.88

.89

49.4

48

9.5

49.3

46

9.9

Hyperactivity

.91

.91

50.1

49

9.8

49.1

46

10.4

Impulsivity

.85

.81

50.1

48

10.4

49.8

45

11.4

Emotional Dysregulation

.90

.92

48.4

45

8.5

49.3

44

10.7

Depressed Mood

.77

.88

49.0

46

8.4

48.0

45

7.9

Anxious Thoughts

.81

.83

49.4

47

9.7

48.6

44

9.4

Impairment & Functional
Outcome Scales

Schoolwork

.90

.89

50.4

47

10.8

49.7

47

10.0

Peer Interactions

.92

.93

48.8

44

9.7

48.9

46

9.8

DSM Symptom Scales

ADHD Inattentive Symptoms

.86

.86

49.5

48

10.0

49.6

47

10.1

ADHD Hyperactive/Impulsive Symptoms

.92

.91

50.0

47

10.0

49.3

46

10.5

Total ADHD Symptoms

.91

.90

49.8

47

10.0

49.5

45

10.4

Oppositional Defiant Disorder Symptoms

.90

.91

48.9

45

9.3

49.2

44

10.5

Conduct Disorder Symptoms

.84

.97

47.6

45

5.7

48.0

45

6.9

Note. N = 61. All correlations significant, p < .001. Guidelines for interpreting |r|: very weak < .20, weak = .20 to .39, moderate = .40 to .59, strong = .60 to .79, very strong ≥ .80.



<< Back to Table 8.11

Table 8.11. Test-Retest Reliability: Conners 4 Self-Report

Scale

Obtained
r

Corrected
r

Time 1

Time 2

M

Mdn

SD

M

Mdn

SD

Content Scales

Inattention/ Executive Dysfunction

.62

.71

48.4

48

8.2

48.0

47

9.7

Hyperactivity

.76

.78

49.7

50

9.8

47.5

45

9.5

Impulsivity

.63

.73

49.3

47

9.3

47.1

46

8.1

Emotional Dysregulation

.67

.79

49.3

47

8.7

47.8

47

8.2

Depressed Mood

.71

.76

49.5

47

9.7

47.2

44

9.0

Anxious Thoughts

.75

.76

49.7

46

10.4

48.6

45

9.4

Impairment & Functional
Outcome Scales

Schoolwork

.68

.73

48.8

48

8.8

48.1

47

9.8

Peer Interactions

.70

.72

48.5

45

9.6

48.6

45

9.8

Family Life

.71

.86

49.2

48

8.3

48.0

48

7.1

DSM Symptom Scales

ADHD Inattentive Symptoms

.57

.63

49.0

48

9.0

48.1

47

9.5

ADHD Hyperactive/Impulsive Symptoms

.76

.81

49.3

48

9.7

47.2

46

8.8

Total ADHD Symptoms

.69

.76

49.1

48

9.1

47.5

47

8.8

Oppositional Defiant Disorder Symptoms

.53

.73

49.5

48

8.5

47.2

46

6.8

Conduct Disorder Symptoms

.55

.70

49.0

46

8.7

48.9

46

7.7

Note. N = 68. All correlations significant, p < .001. Guidelines for interpreting |r|: very weak < .20, weak = .20 to .39, moderate = .40 to .59, strong = .60 to .79, very strong ≥ .80.



<< Back to Table 8.12

Table 8.12. Difference Between Time 1 and Time 2 T-scores: Conners 4 Parent

Scale

Percentage of Test-Retest Sample

M
Differences

SD
Differences

Time 1 ≥ 1
SD higher than Time 2

Scores
differed by less than 1 SD

Time 2 ≥ 1
SD higher than Time 1

Content Scales

Inattention/Executive
Dysfunction

1.2

97.5

1.2

−1.1

0.1

Hyperactivity

3.7

95.1

1.2

−1.6

0.3

Impulsivity

2.5

92.6

4.9

−0.5

1.4

Emotional Dysregulation

4.9

93.8

1.2

−1.6

−1.0

Depressed Mood

3.7

92.6

3.7

−0.2

−0.2

Anxious Thoughts

2.5

92.6

4.9

0.3

1.1

Impairment &
Functional Outcome Scales

Schoolwork

2.5

97.5

0.0

−0.2

−1.0

Peer Interactions

1.2

98.8

0.0

−0.2

0.0

Family Life

3.7

95.1

1.2

−0.9

1.0

DSM Symptom Scales

ADHD Inattentive Symptoms

2.5

96.3

1.2

−0.8

0.2

ADHD Hyperactive/Impulsive Symptoms

1.2

96.3

2.5

−1.2

1.0

Total ADHD Symptoms

1.2

98.8

0.0

−1.1

0.8

Oppositional Defiant Disorder Symptoms

3.7

92.6

3.7

−1.3

−0.7

Conduct Disorder Symptoms

1.2

97.5

1.2

−0.4

−0.6

Note. N = 81. 1 SD is equivalent to 10 T-score points. A positive M difference indicates that the parent's ratings were higher at Time 2 than at Time 1.



<< Back to Table 8.13

Table 8.13. Difference Between Time 1 and Time 2 T-scores: Conners 4 Teacher

Scale

Percentage of Test-Retest Sample

M
Differences

SD
Differences

Time 1 ≥ 1 SD higher than Time 2

Scores
differed by less than 1 SD

Time 2 ≥ 1 SD higher than Time 1

Content Scales

Inattention/Executive Dysfunction

3.3

95.1

1.6

−0.1

0.4

Hyperactivity

3.3

96.7

0.0

−1.0

0.6

Impulsivity

4.9

91.8

3.3

−0.4

1.1

Emotional Dysregulation

3.3

91.8

4.9

1.0

2.2

Depressed Mood

4.9

93.4

1.6

−1.0

−0.5

Anxious Thoughts

9.8

86.9

3.3

−0.7

−0.3

Impairment & Functional
Outcome Scales

Schoolwork

3.3

95.1

1.6

−0.7

−0.8

Peer Interactions

1.6

96.7

1.6

0.0

0.0

DSM Symptom Scales

ADHD Inattentive Symptoms

3.3

95.1

1.6

0.1

0.1

ADHD Hyperactive/Impulsive Symptoms

0.0

96.7

3.3

−0.7

0.5

Total ADHD Symptoms

3.3

95.1

1.6

−0.3

0.5

Oppositional Defiant Disorder Symptoms

1.6

96.7

1.6

0.3

1.2

Conduct Disorder Symptoms

0.0

95.1

4.9

0.3

1.2

Note. N = 61. 1 SD is equivalent to 10 T-score points. A positive M difference indicates that the teacher's ratings were higher at Time 2 than at Time 1.



<< Back to Table 8.14

Table 8.14. Difference Between Time 1 and Time 2 T-scores: Conners 4 Self-Report

Scale

Percentage of Test-Retest Sample

M
Differences

SD
Differences

Time 1 ≥ 1 SD higher than Time 2

Scores
differed by less than 1 SD

Time 2 ≥ 1 SD higher than Time 1

Content Scales

Inattention/Executive Dysfunction

8.8

79.4

11.8

−0.5

1.4

Hyperactivity

10.3

86.8

2.9

−2.2

−0.3

Impulsivity

13.2

79.4

7.4

−2.2

−1.2

Emotional Dysregulation

10.3

83.8

5.9

−1.5

−0.5

Depressed Mood

11.8

83.8

4.4

−2.3

−0.7

Anxious Thoughts

10.3

83.8

5.9

−1.1

−1.1

Impairment & Functional
Outcome Scales

Schoolwork

10.3

77.9

11.8

−0.6

0.9

Peer Interactions

7.4

80.9

11.8

0.1

0.2

Family Life

8.8

91.2

0.0

−1.2

−1.2

DSM Symptom Scales

ADHD Inattentive Symptoms

8.8

77.9

13.2

−0.9

0.6

ADHD Hyperactive/Impulsive Symptoms

10.3

83.8

5.9

−2.1

−0.9

Total ADHD Symptoms

11.8

80.9

7.4

−1.6

−0.3

Oppositional Defiant Disorder Symptoms

16.2

76.5

7.4

−2.4

−1.7

Conduct Disorder Symptoms

10.3

82.4

7.4

−0.1

−1.0

Note. N = 68. 1 SD is equivalent to 10 T-score points. A positive M difference indicates that the youth's self-report ratings were higher at Time 2 than at Time 1.



<< Back to Table 8.15

Table 8.15. Inter-Rater Reliability Study 1: Conners 4 Parent

Scale

Obtained
r

Corrected
r

p

Parent 1

Parent 2

M

Mdn

SD

M

Mdn

SD

Content Scales

Inattention/Executive Dysfunction

.82

.84

< .001

53.3

51

10.8

53.5

50

11.9

Hyperactivity

.84

.86

< .001

51.9

49

10.7

50.8

48

10.0

Impulsivity

.75

.85

< .001

51.3

49

9.0

51.9

49

11.3

Emotional Dysregulation

.76

.78

< .001

51.4

49

9.9

52.8

49

12.0

Depressed Mood

.68

.79

< .001

50.4

47

9.1

51.3

48

8.8

Anxious Thoughts

.78

.58

< .001

52.0

47

11.5

51.6

48

10.9

Impairment & Functional
Outcome
Scales

Schoolwork

.88

.81

< .001

51.5

50

10.8

51.7

47

11.7

Peer Interactions

.91

.93

< .001

50.8

48

9.7

51.4

48

9.9

Family Life

.86

.69

< .001

52.4

48

11.3

52.5

48

12.0

DSM
Symptom
Scales

ADHD Inattentive Symptoms

.82

.84

< .001

53.3

51

10.3

53.2

49

11.7

ADHD Hyperactive/Impulsive Symptoms

.83

.91

< .001

51.8

50

9.9

51.4

48

10.2

Total ADHD Symptoms

.84

.89

< .001

52.7

51

10.3

52.5

49

10.9

Oppositional Defiant Disorder Symptoms

.80

.82

< .001

51.4

50

9.5

51.9

49

10.8

Conduct Disorder Symptoms

.68

.93

< .001

49.4

47

7.9

48.7

45

6.2

Note. N = 68. Reported p-values are for corrected r. Guidelines for interpreting |r|: very weak < .20, weak = .20 to .39, moderate = .40 to .59, strong = .60 to .79, very strong ≥ .80.



<< Back to Table 8.16

Table 8.16. Inter-Rater Reliability Study 1: Conners 4 Teacher

Scale

Obtained r

Corrected r

p

Teacher 1

Teacher 2

M

Mdn

SD

M

Mdn

SD

Content Scales

Inattention/Executive Dysfunction

.54

.54

.001

61.1

63

10.1

59.7

61

9.9

Hyperactivity

.65

.52

.001

56.2

56

12.6

55.5

53

11.0

Impulsivity

.57

.48

.004

56.7

56

11.8

55.8

54

10.9

Emotional Dysregulation

.79

.50

.003

57.3

50

14.7

57.3

50

15.2

Depressed Mood

.64

.58

< .001

53.1

50

10.8

52.0

48

10.6

Anxious Thoughts

.68

.49

.004

55.0

52

13.0

52.1

47

12.9

Impairment & Functional Outcome Scales

Schoolwork

.31

.38

.028

61.0

59

9.5

57.7

57

8.4

Peer Interactions

.66

.59

<.001

62.2

62

11.2

60.9

56

10.7

DSM
Symptom Scales

ADHD Inattentive Symptoms

.51

.52

.002

61.7

64

10.1

60.1

61

9.7

ADHD Hyperactive/Impulsive Symptoms

.65

.55

.001

56.5

55

12.1

55.9

54

10.7

Total ADHD Symptoms

.60

.57

< .001

59.7

58

11.0

58.5

58

9.7

Oppositional Defiant Disorder Symptoms

.69

.48

.004

56.7

51

13.7

54.8

50

12.7

Conduct Disorder Symptoms

.76

.69

< .001

53.4

48

11.3

53.2

49

11.1

Note. N = 34. Reported p-values are for corrected r. Guidelines for interpreting |r|: very weak < .20, weak = .20 to .39, moderate = .40 to .59, strong = .60 to .79, very strong ≥ .80.



<< Back to Table 8.17

Table 8.17. Difference Between Rater T-scores Study 1: Conners 4 Parent

Scale

Percentage of Inter-Rater Sample

Absolute M Differences

Absolute SD Differences

Parent 1 ≥ 1
SD higher than Parent 2

Scores
differed by less than 1 SD

Parent 2 ≥ 1
SD higher
than Parent 1

Content
Scales

Inattention/Executive Dysfunction

2.9

91.2

5.9

0.3

1.1

Hyperactivity

1.5

92.6

5.9

1.0

0.7

Impulsivity

8.8

85.3

5.9

0.6

2.3

Emotional Dysregulation

14.7

79.4

5.9

1.4

2.1

Depressed Mood

10.3

86.8

2.9

1.0

0.3

Anxious Thoughts

8.8

80.9

10.3

0.3

0.6

Impairment & Functional Outcome Scales

Schoolwork

2.9

89.7

7.4

0.2

0.9

Peer Interactions

0.0

100.0

0.0

0.6

0.3

Family Life

2.9

89.7

7.4

0.1

0.8

DSM
Symptom Scales

ADHD Inattentive Symptoms

7.4

88.2

4.4

0.1

1.4

ADHD Hyperactive/Impulsive Symptoms

4.4

91.2

4.4

0.4

0.3

Total ADHD Symptoms

4.4

91.2

4.4

0.2

0.6

Oppositional Defiant Disorder Symptoms

10.3

85.3

4.4

0.6

1.3

Conduct Disorder Symptoms

2.9

91.2

5.9

0.7

1.7

Note. N = 68. 1 SD is equivalent to 10 T-score points.



<< Back to Table 8.18

Table 8.18. Difference Between Rater T-scores Study 1: Conners 4 Teacher

Scale

Percentage of Inter-Rater Sample

Absolute
M
Differences

Absolute
SD
Differences

Teacher 1 ≥ 1 SD higher than Teacher 2

Scores
differed by less than 1 SD

Teacher 2 ≥ 1 SD higher than Teacher 1

Content Scales

Inattention/Executive Dysfunction

5.9

79.4

14.7

1.1

0.1

Hyperactivity

11.8

76.5

11.8

1.6

0.3

Impulsivity

14.7

61.8

23.5

0.5

1.4

Emotional Dysregulation

14.7

64.7

20.6

1.6

1.0

Depressed Mood

5.9

79.4

14.7

0.2

0.2

Anxious Thoughts

8.8

76.5

14.7

0.3

1.1

Impairment & Functional
Outcome Scales

Schoolwork

8.8

70.6

20.6

0.2

1.0

Peer Interactions

14.7

70.6

14.7

0.2

0.0

DSM Symptom Scales

ADHD Inattentive Symptoms

11.8

61.8

26.5

0.8

0.2

ADHD Hyperactive/Impulsive Symptoms

14.7

64.7

20.6

1.2

1.0

Total ADHD Symptoms

17.6

64.7

17.6

1.1

0.8

Oppositional Defiant Disorder Symptoms

5.9

82.4

11.8

1.3

0.7

Conduct Disorder Symptoms

11.8

64.7

23.5

0.4

0.6

Note. N = 34. 1 SD is equivalent to 10 T-score points.



<< Back to Table 8.19

Table 8.19. Inter-Rater Reliability Study 2: Conners 4 Parent/Teacher

Scale

Obtained
r

Corrected
r

p

Parent

Teacher

M

Mdn

SD

M

Mdn

SD

Content Scales

Inattention/Executive Dysfunction

.54

.51

< .001

63.5

64

10.5

59.3

60

10.2

Hyperactivity

.47

.40

.002

59.0

57

12.4

53.8

52

10.0

Impulsivity

.62

.54

< .001

59.8

60

12.6

54.1

53

9.8

Emotional Dysregulation

.51

.40

.002

56.0

53

12.5

52.9

48

11.0

Depressed Mood

.40

.36

.005

56.8

55

10.8

54.8

51

10.5

Anxious Thoughts

.52

.28

.030

58.6

53

15.4

57.7

56

13.5

Impairment & Functional
Outcome Scales

Schoolwork

.58

.48

< .001

62.2

61

11.2

58.2

59

11.7

Peer Interactions

.60

.45

< .001

57.3

55

13.2

54.7

54

11.2

DSM Symptom Scales

ADHD Inattentive Symptoms

.51

.48

< .001

63.4

64

10.3

59.0

59

10.4

ADHD Hyperactive/Impulsive Symptoms

.53

.43

.001

59.7

58

12.8

53.8

53

10.2

Total ADHD Symptoms

.51

.46

< .001

62.6

63

11.5

56.8

57

10.0

Oppositional Defiant Disorder Symptoms

.50

.44

< .001

55.1

52

12.1

52.2

47

9.9

Conduct Disorder Symptoms

.53

.79

< .001

50.4

48

7.8

49.0

45

6.3

Note. N = 62. Reported p-values are for corrected r. Guidelines for interpreting |r|: very weak < .20, weak = .20 to .39, moderate = .40 to .59, strong = .60 to .79, very strong ≥ .80.



<< Back to Table 8.20

Table 8.20. Inter-Rater Reliability Study 2: Conners 4 Parent/Self-Report

Scale

Obtained
r

Corrected
r

p

Parent

Self-Report

M

Mdn

SD

M

Mdn

SD

Content Scales

Inattention/Executive Dysfunction

.19

.19

.147

63.5

64

10.5

60.0

59

9.4

Hyperactivity

.50

.40

.002

59.0

57

12.4

58.7

58

10.7

Impulsivity

.23

.16

.209

59.8

60

12.6

56.1

54

11.2

Emotional Dysregulation

.38

.30

.018

56.0

53

12.5

54.2

53

10.2

Depressed Mood

.39

.35

.007

56.8

55

10.8

54.8

52

10.7

Anxious Thoughts

.34

.20

.122

58.6

53

15.4

55.3

52

11.3

Impairment & Functional
Outcome Scales

Schoolwork

.23

.20

.121

62.2

61

11.2

57.5

56

10.3

Peer Interactions

.18

.12

.372

57.3

55

13.2

56.9

55

11.6

Family Life

.23

.23

.081

56.5

51

12.8

53.3

52

7.9

DSM Symptom Scales

ADHD Inattentive Symptoms

.23

.23

.081

63.4

64

10.3

59.3

58

9.8

ADHD Hyperactive/Impulsive Symptoms

.44

.35

.006

59.7

58

12.8

58.6

58

10.2

Total ADHD Symptoms

.36

.32

.011

62.6

63

11.5

59.6

58

9.8

Oppositional Defiant Disorder Symptoms

.53

.52

< .001

55.1

52

12.1

52.9

51

8.5

Conduct Disorder Symptoms

.44

.72

< .001

50.4

48

7.8

47.8

46

6.1

Note. N = 62. Reported p-values are for corrected r. Guidelines for interpreting |r|: very weak < .20, weak = .20 to .39, moderate = .40 to .59, strong = .60 to .79, very strong ≥ .80.



<< Back to Table 8.21

Table 8.21. Inter-Rater Reliability Study 2: Conners 4 Teacher/Self-Report

Scale

Obtained
r

Corrected
r

p

Teacher

Self-Report

M

Mdn

SD

M

Mdn

SD

Content Scales

Inattention/Executive Dysfunction

.21

.22

.094

59.3

60

10.2

60.0

59

9.4

Hyperactivity

.32

.30

.021

53.8

52

10.0

58.7

58

10.7

Impulsivity

.13

.11

.383

54.1

53

9.8

56.1

54

11.2

Emotional Dysregulation

.22

.20

.125

52.9

48

11.0

54.2

53

10.2

Depressed Mood

.41

.37

.003

54.8

51

10.5

54.8

52

10.7

Anxious Thoughts

.51

.36

.005

57.7

56

13.5

55.3

52

11.3

Impairment & Functional
Outcome Scales

Schoolwork

.28

.23

.072

58.2

59

11.7

57.5

56

10.3

Peer Interactions

.21

.16

.209

54.7

54

11.2

56.9

55

11.6

DSM Symptom Scales

ADHD Inattentive Symptoms

.21

.21

.107

59.0

59

10.4

59.3

58

9.8

ADHD Hyperactive/Impulsive Symptoms

.27

.26

.047

53.8

53

10.2

58.6

58

10.2

Total ADHD Symptoms

.22

.23

.082

56.8

57

10.0

59.6

58

9.8

Oppositional Defiant Disorder Symptoms

.39

.45

< .001

52.2

47

9.9

52.9

51

8.5

Conduct Disorder Symptoms

.28

.61

< .001

49.0

45

6.3

47.8

46

6.1

Note. N = 62. Reported p-values are for corrected r. Guidelines for interpreting |r|: very weak < .20, weak = .20 to .39, moderate = .40 to .59, strong = .60 to .79, very strong ≥ .80.



<< Back to Table 8.22

Table 8.22. Difference Between Rater T-scores Study 2: Conners 4 Parent/Teacher

Scale

Percentage of Inter-Rater Sample

M
Differences

SD
Differences

Teacher ≥ 1
SD higher than Parent

Scores
differed by less than 1 SD

Parent ≥ 1
SD higher than Teacher

Content Scales

Inattention/Executive Dysfunction

6.5

75.8

17.7

−4.2

−0.3

Hyperactivity

4.8

64.5

30.6

−5.2

−2.4

Impulsivity

1.6

75.8

22.6

−5.7

−2.7

Emotional Dysregulation

11.3

64.5

24.2

−3.0

−1.5

Depressed Mood

11.3

66.1

22.6

−2.0

−0.2

Anxious Thoughts

14.5

61.3

24.2

−0.8

−1.9

Impairment & Functional
Outcome Scales

Schoolwork

11.3

58.1

30.6

−4.0

0.5

Peer Interactions

4.8

71.0

24.2

−2.7

−2.0

DSM Symptom Scales

ADHD Inattentive Symptoms

6.5

64.5

29.0

−4.4

0.1

ADHD Hyperactive/Impulsive Symptoms

3.2

66.1

30.6

−5.9

−2.5

Total ADHD Symptoms

3.2

66.1

30.6

−5.8

−1.5

Oppositional Defiant Disorder Symptoms

6.5

87.1

6.5

−3.0

−2.2

Conduct Disorder Symptoms

11.3

67.7

21.0

−1.4

−1.5

Note. N = 62. 1 SD is equivalent to 10 T-score points. A positive M difference indicates that the teacher's ratings are higher than the parent's ratings.



<< Back to Table 8.23

Table 8.23. Difference Between Rater T-scores Study 2: Conners 4 Parent/Self-Report

Scale

Percentage of Inter-Rater Sample

M
Differences

SD
Differences

Self-Report ≥ 1 SD higher
than Parent

Scores
differed by less than 1 SD

Parent ≥ 1
SD higher than Self-Report

Content Scales

Inattention/Executive Dysfunction

14.5

53.2

32.3

−3.5

−1.1

Hyperactivity

17.7

66.1

16.1

−0.2

−1.7

Impulsivity

14.5

53.2

32.3

−3.7

−1.4

Emotional Dysregulation

17.7

58.1

24.2

−1.8

−2.2

Depressed Mood

11.3

64.5

24.2

−2.0

−0.1

Anxious Thoughts

14.5

51.6

33.9

−3.3

−4.1

Impairment & Functional Outcome Scales

Schoolwork

8.1

56.5

35.5

−4.6

−0.9

Peer Interactions

27.4

51.6

21.0

−0.4

−1.6

Family Life

12.9

62.9

24.2

−3.3

−4.9

DSM Symptom Scales

ADHD Inattentive Symptoms

14.5

51.6

33.9

−4.1

−0.5

ADHD Hyperactive/Impulsive Symptoms

16.1

59.7

24.2

−1.1

−2.5

Total ADHD Symptoms

8.1

64.5

27.4

−3.0

−1.7

Oppositional Defiant Disorder Symptoms

1.6

87.1

11.3

−2.2

−3.6

Conduct Disorder Symptoms

9.7

72.6

17.7

−2.6

−1.7

Note. N = 62. 1 SD is equivalent to 10 T-score points. A positive M difference indicates that the youth's self-report ratings are higher than the parent's ratings.



<< Back to Table 8.24

Table 8.24. Difference Between Rater T-scores Study 2: Conners 4 Teacher/Self-Report

Scale

Percentage of Inter-Rater Sample

M
Differences

SD
Differences

Self-Report ≥ 1
SD higher than Teacher

Scores
differed by less than 1 SD

Teacher ≥ 1
SD higher than Self-Report

Content Scales

Inattention/Executive Dysfunction

22.6

58.1

19.4

0.7

−0.8

Hyperactivity

6.5

58.1

35.5

5.0

0.7

Impulsivity

21.0

51.6

27.4

1.9

1.4

Emotional Dysregulation

17.7

54.8

27.4

1.2

−0.7

Depressed Mood

19.4

59.7

21.0

0.0

0.2

Anxious Thoughts

25.8

61.3

12.9

−2.4

−2.2

Impairment & Functional
Outcome Scales

Schoolwork

29.0

58.1

12.9

−0.6

−1.4

Peer Interactions

17.7

51.6

30.6

2.2

0.4

DSM
Symptom Scales

ADHD Inattentive Symptoms

22.6

56.5

21.0

0.4

−0.6

ADHD Hyperactive/Impulsive Symptoms

11.3

56.5

32.3

4.8

0.0

Total ADHD Symptoms

11.3

64.5

24.2

2.8

−0.2

Oppositional Defiant Disorder Symptoms

9.7

87.1

3.2

0.8

−1.4

Conduct Disorder Symptoms

12.9

69.4

17.7

−1.2

−0.2

Note. N = 62. 1 SD is equivalent to 10 T-score points. A positive M difference indicates that the youth's self-report ratings are higher than the teacher's ratings.



<< Back to Table 8.25

Table 8.25. Endorsement of Critical Items & Indicator Items by Rater Type

Item Stem

Parent (%)

Teacher (%)

Self-Report (%)

Self-Harm Critical Items

Harming self deliberately

8.1

1.6

19.4

Talking about suicide

8.1

4.8

—

Planning or attempting suicide

4.8

3.2

14.5

Thinking about harming self

—

—

29.0

Sleep Problems Indicator

Having trouble sleeping

35.5

—

40.3

Appearing/Feeling tired

6.5

8.1

21.0

Note. Self-Harm Critical Items are considered endorsed with an item response of ≥ 1, while Sleep Problems Indicator items are considered endorsed with an item response of ≥ 2 for trouble sleeping, an item response of ≥ 2 for tiredness for Parent and Teacher, and an item response of 3 for tiredness for Self-Report.

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