Scales

International Personality Item Pool (IPIP)

A comprehensive academic analysis of the International Personality Item Pool (IPIP) 50-item Big-Five Factor Markers,...

September 26, 2026 • Dr. Mohammed Looti
Scales

Keirsey Temperament Sorter-II (KTS®-II)

An in-depth academic psychometric review of the Keirsey Temperament Sorter-II (KTS®-II), examining its theoretical foundations,...

September 26, 2026 • Dr. Mohammed Looti
Scales

Machiavellianism Test (MACH-IV)

The Machiavellianism Test (MACH-IV), formulated by Richard Christie and Florence Geis, is the premier 20-item...

September 26, 2026 • Dr. Mohammed Looti
Scales

Nerdy Personality Attributes Scale (NAPS)

A comprehensive psychometric analysis of the Nerdy Personality Attributes Scale (NAPS), detailing its empirical development,...

September 25, 2026 • Dr. Mohammed Looti
Scales

Open Four Temperaments Scales

A comprehensive academic analysis of the Open Four Temperaments Scales (O4TS), detailing its theoretical origins,...

September 25, 2026 • Dr. Mohammed Looti
Scales

Personal Attributes Questionnaire

Comprehensive academic guide to the Personal Attributes Questionnaire (PAQ) developed by Janet Taylor Spence, Robert...

September 25, 2026 • Dr. Mohammed Looti
Scales

Personality Questionnaire for Kids

The Personality Questionnaire for Kids (PQK) is an observational, 44-item psychometric rating scale designed to...

September 25, 2026 • Dr. Mohammed Looti
Scales

Personality Type Indicator (PTI)

A comprehensive academic analysis of the Personality Type Indicator (PTI), a 70-item forced-choice psychometric instrument...

September 25, 2026 • Dr. Mohammed Looti
Scales

The Inkblot: Rorschach

A comprehensive psychometric review of the Rorschach Inkblot Test, exploring its theoretical foundations, scoring architectures...

September 25, 2026 • Dr. Mohammed Looti