General Information

The ADHD Symptom Checklist-4 (ADHD-SC4) is a 50-item rating scale completed by parents (information pertaining to the parent checklist can be found below) or teachers to screen for AD/HD and oppositional defiant disorder (ODD). The ADHD-SC4 also contains the Peer Conflict scale which measures peer aggression and the Stimulant Side Effects Checklist which monitors medication.

Number of Versions:	2
Version:	Parent Checklist
Author(s):	Kenneth D. Gadow, Joyce Sprafkin
Date of Publication:	1997
Material(s) Needed for Test:	Instrument
Manual:	Available
Time to Administer:	5 minutes
Charge for one form or kit:	Yes

Purpose and Nature of Test

Construct(s) Measured:	Aggression, Hyperactivity
Population for which designed:	Age Range: 3 through 18 years old
Method of Administration:	Individual
Source of Information:	Parent
Subtests and Scores:	ADHD Inattentive Type, ADHD Hyperactive-Impulsive Type, ADHD Combined Type, Oppositional Defiant Disorder, Peer Conflict Scale
Number of Items:	50
Type of Scale:	Likert

Technical Evaluation

Norms: 

Sample Size:	1,844
Population:	Children 3 to 18 years old from seven different states who were identified from pediatric office visits.
Culture/ethnicity:	Not reported by author(s).
SES Level:	Not reported by author(s).

Reliability: 

Psychometric information:	Provided for Subscales.
The range of Test-Retest Value:	0.75 to 0.82
The range of Inter-rater reliability:	Parent-teacher agreement: 0.25-0.46
The range of Internal consistency:	0.93 to 0.95

Validity: 

 Criterion validity was assessed and found to be acceptable.

Practical Evaluation

Scoring Procedure:	Manual Scoring
Examiner Qualifications and Training Required:	None
Permission Required to Use Instrument:	Yes
If yes, by whom:	Checkmate Plus, Ltd.

Notes

Original Reference(s):	Gadow, K. D., & Sprafkin, J. (1997). ADHD Symptom Checklist - 4 manual. Stony Brook, NY: Checkmate Plus.
Other Reference(s):	Sprafkin, J., Gadow, K.D., & Nolan, E.E. (2001). The utility of a DSM-IV-referenced screening instrument for attention-deficit/hyperactivity disorder. Journal of Emotional and Behavioral Disorders, 1, 182-191.

Contact

Organization:	Checkmate Plus
Address:	P.O. Box 696 - Department D
City:	Stony Brook
State:	NY
Zip:	11790-0696
Phone:	(800) 779-4292
Fax:	(631) 360-3432
E-mail:	info@checkmateplus.com
Website:	http://www.checkmateplus.com
Other:	Kenneth Gadow - Professor, State University of New York, Psychiatry - Putnam Hall, Stony Brook, NY 11790; Kenneth.Gadow@sunysb.edu

Last updated by Violence Institute of New Jersey:  July 2006