Scales

Customer–Company Exchange Equity (CCEE)

A comprehensive psychometric guide to the Customer–Company Exchange Equity (CCEE) scale, developed by Blanchard, Carlson,...

September 12, 2026 • Dr. Mohammed Looti
Scales

Perceived Discount Magnitude (PDM)

A comprehensive psychometric guide to the Perceived Discount Magnitude (PDM) scale developed by Xie and...

September 12, 2026 • Dr. Mohammed Looti
Scales

Competitive vs. Collaborative Orientation (CCO)

The Competitive vs. Collaborative Orientation (CCO) scale measures whether individuals habitually emphasize self-distinctiveness and rivalry...

September 12, 2026 • Dr. Mohammed Looti
Scales

General Self-Efficacy Scale

A comprehensive psychometric guide to the General Self-Efficacy Scale (GSE), developed by Ralf Schwarzer and...

September 12, 2026 • Dr. Mohammed Looti
Scales

Family Questionnaire

The Family Questionnaire (Gezinsvragenlijst - GVL) is a validated 45-item multidimensional assessment developed by Jan...

September 12, 2026 • Dr. Mohammed Looti
Scales

Headache Impact Test

An in-depth psychometric review and clinical guide to the Headache Impact Test (HIT-6), detailing its...

September 12, 2026 • Dr. Mohammed Looti
Scales

Weariness Scale

A comprehensive psychometric guide to the Weariness Scale (WEARY), a 4-item self-report instrument developed by...

September 12, 2026 • Dr. Mohammed Looti
Scales

Source Trustworthiness Scale (STWS)

The Source Trustworthiness Scale (STWS), developed by Marilynn Touré-Tillery and Ann L. McGill (2015), is...

September 12, 2026 • Dr. Mohammed Looti
Scales

Job Content Questionnaire

A comprehensive academic analysis of the Job Content Questionnaire (JCQ) by Robert Karasek, detailing psychometric...

September 12, 2026 • Dr. Mohammed Looti