Scales

Grit Scale

A comprehensive academic evaluation of the Grit Scale developed by Angela Duckworth and colleagues, examining...

September 23, 2026 • Dr. Mohammed Looti
Scales

Humor Styles Questionnaire

A comprehensive psychometric guide to the Humor Styles Questionnaire (HSQ), evaluating affiliative, self-enhancing, aggressive, and...

September 23, 2026 • Dr. Mohammed Looti
Scales

Individual Innovativeness Scale (IS)

A comprehensive academic guide and psychometric analysis of the Individual Innovativeness Scale (IS; Hurt, Joseph,...

September 23, 2026 • Dr. Mohammed Looti
Scales

Intolerance of Ambiguity Scale

A comprehensive psychometric review of the Martin-Westie Intolerance of Ambiguity Scale (MWIAS, 1959), detailing its...

September 23, 2026 • Dr. Mohammed Looti
Scales

Personal Mastery

A comprehensive psychometric analysis of the Personal Mastery Scale, assessing personal control, perceived constraints, and...

September 23, 2026 • Dr. Mohammed Looti
Scales

Narcissism (Trait)

A comprehensive academic review of the Trait Narcissism Scale, evaluating its theoretical foundations, psychometric validity,...

September 23, 2026 • Dr. Mohammed Looti
Scales

Midlife Development Inventory

The Midlife Development Inventory (MIDI) Personality Scales are a psychometrically validated, brief measurement tool assessing...

September 23, 2026 • Dr. Mohammed Looti
Scales

Portrait Values Questionnaire (PVQ)

A comprehensive psychometric overview of the Portrait Values Questionnaire (PVQ-40) developed by Shalom H. Schwartz,...

September 23, 2026 • Dr. Mohammed Looti
Scales

Proactive Attitude Inventory

The Proactive Attitude Inventory (PAI), developed by Gerdamarie S. Schmitz and Ralf Schwarzer (1999), is...

September 23, 2026 • Dr. Mohammed Looti