Scales

Structural Properties Questionnaire

The Structural Properties Questionnaire (SPQ Form 4), developed by Bishop and George (1973), is a...

September 28, 2026 • Dr. Mohammed Looti
Scales

Seattle Personality Questionnaire

The Seattle Personality Questionnaire (SPQ) is a validated 45-item self-report psychometric instrument designed to assess...

September 25, 2026 • Dr. Mohammed Looti
Scales

Seattle Personality Questionnaire -Original

The Seattle Personality Questionnaire -Original (SPQ) is an established 44-item self-report assessment developed by Kusche,...

September 25, 2026 • Dr. Mohammed Looti