Dictionary
A Priori Comparison: Hypothesis-Driven Testing
An a priori comparison is a planned statistical contrast formulated prior to data collection to...
Statistics
29 results
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
•
Dr. Mohammed Looti
Theories
Multitrait-Multimethod Matrix (MTMM) – Donald T. Campbell & Donald W. Fiske
A comprehensive academic guide to the Multitrait-Multimethod Matrix (MTMM) developed by Campbell and Fiske for...
September 11, 2026
•
Dr. Mohammed Looti
Theories
Item Response Theory (IRT) – Georg Rasch & Frederic Lord
A comprehensive academic analysis of Item Response Theory, contrasting Georg Rasch's measurement philosophy with Frederic...
September 7, 2026
•
Dr. Mohammed Looti
Theories
Classical Test Theory (True Score Theory) – Charles Spearman & Harold Gulliksen
A comprehensive academic analysis of Classical Test Theory, exploring its mathematical foundations, axiomatic assumptions, and...
September 5, 2026
•
Dr. Mohammed Looti