Chapter 10: Factorial ANOVA 14. What is a factorial research design? Give two advantages of a factorial research design over doing two separate studies. 15. In a factorial design, what is a main effect? What is an interaction effect? 16. Answer the following questions with the results for a fictional study of the effects of Drug Dose and Sex (the grouping variables) on number of examples recalled on a memory test (the measured variable). Drug Dose Sex Low Medium High Overall Male Co 4 8 5 Female -A 8 8 6.33 Overall 3.5 6.0 a) Describe the pattern of results in words. Are there any main effects? Are there any interaction effects? b) Make a line graph of these results. Label your graph properly