PSYC3010 Lecture Notes - Lecture 10: Analysis Of Variance, Tesla Model X, Total Variation
Document Summary
Lecture 10 one and two-way within participants anova. In between-participants design, all within-group variance is error, whereas repeated measures design remove individual difference variation from the error term. solution: firstly remove the between-participants variance (i. e. , account for individual differences) and then compare our treatment means. Any individual differences within groups are (cid:272)o(cid:374)sidered (cid:858)error(cid:859) Xij = + i + j + eij for i cases and j treatments: Xij, any dv score is a combination of: I variation due to the i-th person ( i - ) J variation due to the j-th treatment ( j - ) eij error - variation associated with the i-th cases in the j-th treatment error = ij (plus chance) partitioning the variance. Partition treatment variance to follow- up, but use same error term (within- cell variance) for main effect (treatment) test and for all follow-ups. Partition treatment variance and residual variance for follow-ups.
