Light Test

The Light Test (Schucman, 1960) is an operant psychometric apparatus designed to evaluate shape discrimination...

September 28, 2026 • Dr. Mohammed Looti

Buzz Test

The Buzz Test is an objective psychometric instrument developed in 1960 by Helen Schucman to...

September 28, 2026 • Dr. Mohammed Looti

Two-Buttons Test

The Two-Buttons Test is an individualized performance test developed by Helen Schucman in 1960 to...

September 28, 2026 • Dr. Mohammed Looti

Three-Buttons Test

The Three-Buttons Test is a standardized performance-based psychometric test developed by Helen Schucman in 1960...

September 28, 2026 • Dr. Mohammed Looti

Dignan Ego Identity Scale

A comprehensive psychometric review of the Dignan Ego Identity Scale (1963), a 50-item self-report instrument...

September 28, 2026 • Dr. Mohammed Looti

Toy Preference Test

A comprehensive academic analysis of the Toy Preference Test (DeLucia, 1963), an objective, forced-choice measurement...

September 28, 2026 • Dr. Mohammed Looti

Conceptual Style Test

The Conceptual Style Test (CST), developed by Jerome Kagan, Howard A. Moss, and Irving E....

September 28, 2026 • Dr. Mohammed Looti

Design Recall Test (DRT)

The Design Recall Test (DRT) was developed by Jerome Kagan and colleagues in 1964 to...

September 28, 2026 • Dr. Mohammed Looti

Ego Identity Scale (EIS)

A comprehensive psychometric guide to the Ego Identity Scale (EIS) developed by John E. Rasmussen...

September 28, 2026 • Dr. Mohammed Looti

Haptic Visual Matching Test (HVM)

The Haptic Visual Matching Test (HVM; Kagan et al., 1964) is an influential developmental assessment...

September 28, 2026 • Dr. Mohammed Looti

Hidden Figures Test (HFT)

A comprehensive psychometric overview of the Hidden Figures Test (HFT; Kagan et al., 1964), designed...

September 28, 2026 • Dr. Mohammed Looti