A consumer interest group wishes to compare the effectiveness of three competing brands of medicine. they take a random sample of 60 people who have fevers and randomly assign 20 of these 60 to each of the three brands of medicine. They then measure the decrease of temperature that each person experiences. This is an example of:
a) factorial anova
b) 2X3 ANOVA
c) Independent measures ANOVA
d) Repeated Measures ANOVA
While conducting a 3x2 Factorial ANOVA, you conclude that there are significant main effects for factor 1 and factor 2. the interaction between factor 1 and factor 2 is not significant. your next step should be to conduct a post hoc test to test the main effects.
a) True
b) False
c) true only for factor 1, not factor 2
d) more info needed