PSY-380 Lecture Notes - Repeated Measures Design, Improper Rotation, Variance
Document Summary
Md - h d / sm d. Repeated measures design: strategy in which two sets of data are obtained from the same group of participants. Difference score: measurement obtained by subtracting the first score from the second score for each person. Estimated standard error for md: figure computed using the sample variance (or sample standard deviation) and the sample size. Repeated measures t statistic: calculation based on difference scores, rather than raw scores. Individual difference: charatersistic that varies from one individual to another. Order effect: change in score cased by participation in an earlier treatment.
