Scales

Work Locus of Control

The Work Locus of Control Scale (WLCS), developed by Paul E. Spector in 1988, is...

September 25, 2026 • Dr. Mohammed Looti
Scales

Core Self-Evaluations Scale

The Core Self-Evaluations Scale (CSES) is a 12-item psychometric measure created by Timothy A. Judge...

September 25, 2026 • Dr. Mohammed Looti
Scales

Personal Competence / Personal Efficacy

The Personal Competence / Personal Efficacy Scale is an 8-item psychometric measurement tool developed by...

September 25, 2026 • Dr. Mohammed Looti
Scales

Self-Efficacy and Externality Scales (I-SEE)

The Self-Efficacy and Externality Scales (I-SEE) is an established 32-item psychometric instrument evaluating multidimensional control...

September 25, 2026 • Dr. Mohammed Looti
Scales

Student Self-Efficacy Instrument

The Student Self-Efficacy Instrument (SSEI), developed by E. J. Hillman in 1986, is a 64-item...

September 25, 2026 • Dr. Mohammed Looti
Scales

Headache-Specific Locus of Control Scale

The Headache-Specific Locus of Control Scale (HSLC) is an authoritative 33-item psychometric instrument evaluating cognitive...

September 24, 2026 • Dr. Mohammed Looti
Scales

Levenson IPC Scale

A definitive psychometric review of the Levenson IPC Scale (Internal, Powerful Others, and Chance Scale)....

September 24, 2026 • Dr. Mohammed Looti