PSYC 2010 Study Guide - Final Guide: Analysis Of Variance, Confirmation Bias, Experiment
13 Dec 2015
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Repeated measures (within-subjects): each individual participates in each condition of the experiment (completes the dv with each condition) Balancing: balance subject characteristics (individual differences) across the levels of the experiment. Participants are assigned a condition by randomization making equivalent groups. Average scores are calculated for each participant in each condition. No need to balance individual differences across conditions of experiment. More sensitive will detect an effect if an effect is there. Counterbalancing: order of conditions distributes practice effects equally across conditions practice effects are not eliminated but they are averaged across the conditions of the experiment. Each participant experiences each condition several times using different orders. Complete repeated measures design is used when each condition is brief. Additional step: since participants complete each condition many times, a summary score is computed for each participant under each condition. Block consists of all conditions (4 conditions; a, b, c, d)
