Dictionary
Accelerated Longitudinal Design: Lifespan Modeling
An accelerated longitudinal design is an advanced developmental methodology that evaluates multiple adjacent age cohorts...
Research Methods
57 results
Dictionary
A-B Design: Single-Case Evaluation
The A-B design is the foundational framework of single-case experimental research, pairing baseline observation with...
October 5, 2026
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Dr. Mohammed Looti
Dictionary
A Priori Comparison: Hypothesis-Driven Testing
An a priori comparison is a planned statistical contrast formulated prior to data collection to...
October 5, 2026
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Dr. Mohammed Looti
Dictionary
A Posteriori Comparison: Exploring Post Hoc Tests
Explore the principles, mathematics, and application of a posteriori comparisons (post hoc tests) in ANOVA,...
October 5, 2026
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Dr. Mohammed Looti
Experiments
The Barnum Effect Experiment (Forer Effect) – Bertram Forer
A comprehensive academic analysis of Bertram Forer's 1948 Barnum Effect experiment, exploring subjective validation, psychometrics,...
September 16, 2026
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Dr. Mohammed Looti
Scales
Perceived Purchase Uniqueness (PPU)
A comprehensive academic guide to the Perceived Purchase Uniqueness (PPU) scale developed by Bastos and...
September 12, 2026
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Dr. Mohammed Looti
Scales
Global Mood Scale
A comprehensive psychometric guide to the Global Mood Scale (GMS), a 6-item bipolar semantic differential...
September 12, 2026
•
Dr. Mohammed Looti
Experiments
The Beeper Study (Experience Sampling Method) – Mihaly Csikszentmihalyi
A comprehensive academic analysis of Mihaly Csikszentmihalyi's Beeper Study and the development of the Experience...
September 6, 2026
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Dr. Mohammed Looti
Experiments
The Lost Letter Experiment – Stanley Milgram
An exhaustive academic analysis of Stanley Milgram's lost letter technique, detailing its methodology, socio-political measurement,...
September 5, 2026
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Dr. Mohammed Looti