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. 2022 Jan 5;47(6):652–661. doi: 10.1093/jpepsy/jsab132

Table II.

Measures of Internal Consistency

Dimensional scoring Symptom scoring
Total ADHD 0.944 0.915
Inattentive ADHD 0.917 0.877
Hyperactive/Impulsive ADHD 0.909 0.856
ODD 0.909 0.869
CD 0.960 0.922
ANX/DEP 0.902 0.855

Note. ADHD = Attention Deficit/Hyperactivity Disorder; ODD = Oppositional Defiant Disorder; CD = Conduct Disorder; ANX/DEP = Anxiety/Depression.

Dimensional Scoring = Cronbach’s alpha. Symptom scoring = KR-20.