Searchable Inventory of Instruments
Assessing Violent Behavior and Related Constructs in Children and Adolescents


EXPAGG

General Information

Information below pertains to three versions of the EXPAGG: Indirect, Physical, and Verbal. Items in the questionnaires consist of an incomplete sentence about aggression with two alternative answers. One answer indicates an expressive social representation and the other an instrumental social representation.

Number of Versions: 5
Version: Indirect, Physical and Verbal
Author(s): Katy Tapper, Michael Boulton
Date of Publication: 2000
Material(s) Needed for Test: Instrument
Manual: Not Available
Charge for one form or kit:  No

Purpose and Nature of Test

Construct(s) Measured:
Representation of aggression
Population for which designed:
Age Range: 7 through 11 years old
Method of Administration: Group and Individual
Source of Information: Self
Subtests and Scores:  No scales
Number of Items: 21
Type of Scale: Forced choice

Technical Evaluation

Norms: 

Sample Size: 130
Population: Children from three primary schools in the United Kingdom.
Culture/ethnicity: Caucasian
SES Level: Low to Low Middle

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:  0.84 to 0.85

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: Yes
If yes, by whom: Katy Tapper

Notes

Original Reference(s): Tapper, K., & Boulton, M. (2000). Social representations of physical, verbal, and indirect aggression in children: Sex and age differences. Aggressive Behavior, 26, 442-454.

Contact

Name: Katy Tapper
Organization: School of Psychology, University of Wales, Bangor
Address: Adeilad Brigantia, Penrallt Road
City: Bangor
State: Wales, UK
Zip: LL57 2AS
E-mail: k.tapper@bangor.ac.uk
Website: http://www.psych.bangor.ac.uk
Other: Phone: +44 (0) 1248 388202

Last updated by Violence Institute of New Jersey:  February 2007


Violence Institute of New Jersey at UMDNJ