General Information

The Aggression Scale measures the frequency of self-reported overt aggressive behaviors that may result in physical or psychological injury to other students, for example, pushing, name-calling, hitting, and/or threatening.

Number of Versions:	1
Version:	Aggression Scale
Author(s):	Pamela K. Orpinas, Ralph Frankowski
Date of Publication:	1998
Material(s) Needed for Test:	Instrument
Manual:	Not Available
Time to Administer:	5 minutes
Charge for one form or kit:	No

Purpose and Nature of Test

Construct(s) Measured:	Aggression
Population for which designed:	Age Range: 11 through 14 years old Grade Level: Sixth Grade to Eighth Grade
Method of Administration:	Group and Individual
Source of Information:	Self
Subtests and Scores:	No scales
Number of Items:	11
Type of Scale:	Likert

Technical Evaluation

Norms: 

Sample Size:	8,695
Population:	All middle school students of a large metropolitan public school district in Texas.
Culture/ethnicity:	African-American, Asian-American, Caucasian, Hispanic/Latino, Native-American
SES Level:	Not reported by author(s).

Reliability: 

Psychometric information:	Provided for Full Scales.
The range of Test-Retest Value:	Not assessed
The range of Inter-rater reliability:	Not assessed
The range of Internal consistency:	0.87 to 0.88

Validity: 

Criterion validity data has not been presented or published in study.

Practical Evaluation

Scoring Procedure:	Manual Scoring
Examiner Qualifications and Training Required:	None
Permission Required to Use Instrument:	No
If yes, by whom:	N/A

Notes

Original Reference(s):	Orpinas, P., & Frankowski, R. (2001). The Aggression Scale: A self-report measure of aggressive behavior for young adolescents. Journal of Early Adolescence, 21 (1), 50-67.
Other Reference(s):	Orpinas, P., Parcel, G. S., McAlister, A., & Frankowski, R. (1995). Violence prevention in middle schools: A pilot evaluation. Journal of Adolescent Health, 17 (6), 360-371. Dahlberg, L. L., Toal, S. B., & Behrens, C. B. (1998). Measuring violence-related attitudes, beliefs, and behaviors among youths: A compendium of assessment tools. Atlanta, GA: Centers for Disease Control and Prevention, National Center for Injury Prevention and Control. Orpinas, P., Kelder, S., Frankowski, R., Murray, N., Zhang, Q., & McAlister, A. (2000). Outcome evaluation of a multi-component violence-prevention program for middle schools: The Students for Peace project. Health Education Research, 15 (1), 45-58.
Other:	The Aggression Scale is published in the Orpinas & Frankowski (2001) article as well as Dahlberg, Toal, & Behrens (1998).

Contact

Name:	Pamela K. Orpinas
Organization:	University of Georgia, School of Health Promotion and Behavior
Address:	319 Ramsey Center
City:	Athens
State:	GA
Zip:	30602-6522
Phone:	(706) 542-4370
Fax:	(706) 542-4956
E-mail:	porpinas@uga.edu
Website:	http://www.uga.edu/

Last updated by Violence Institute of New Jersey:  July 2006