Sorry, "parent-teachers-association-pta" is not in the Dictionary of Psychology....
revealed-differences technique a method of studying the beh...
sinusoid n. 1. generally, any sine wave form. 2...
VI abbreviation for variable interval. See variable-interva...
cohort sampling a method of sampling data in which one or m...
Sorry, "cumulative-frequency-cf" is not in the Dictionary of Psychology. Please...