1. In within-subjects designs, the unwanted effects due to the influence of one condition on the following conditions is controlled using: Select one: a. negative practice effects b. ANOVA c. attrition effects d. counterbalancing techniques
2. a within-subjects design is more advantageous than a between-subjects design when: select one: a. there is likely to be subject attrition b. the variation in individual differences is large c. a large sample is tested d. there are carry-over effects
3. after obtaining a significant interaction result in a 4 x 2 factorial anova, the number of hypotheses tested by simple main effects analysis is: a. 8 b. 6 c. 5 d. 4