Theorists

Maud Merrill – 1888 1978

A comprehensive academic analysis of Maud Merrill (1888–1978), her co-development of the Stanford-Binet Intelligence Scales,...

November 7, 2026 • Dr. Mohammed Looti
Scales

Delinquent Activities Scale (DAS)

The Delinquent Activities Scale (DAS) is a comprehensive 40-item psychometric instrument validated by Reavy, Stein,...

October 1, 2026 • Dr. Mohammed Looti
Scales

Risks and Consequences Questionnaire (RCQ)

A comprehensive psychometric guide to the Risks and Consequences Questionnaire (RCQ), examining its theoretical rationale,...

October 1, 2026 • Dr. Mohammed Looti
Scales

Attitude Toward Delinquency survey

The Attitude Toward Delinquency survey (ATD-PYS), developed by Rolf Loeber and David P. Farrington, is...

September 26, 2026 • Dr. Mohammed Looti
Scales

Self-Reported Delinquency scale

A comprehensive psychometric analysis and review of the Self-Reported Delinquency Scale (SRDS), developed by Terence...

September 26, 2026 • Dr. Mohammed Looti
Scales

Gang Membership Inventory (GMI)

The Gang Membership Inventory (GMI), developed by Pillen and Hoewing-Roberson (1992), is a 15-item psychometric...

September 26, 2026 • Dr. Mohammed Looti