In statistical test construction, factorial design allows for analysis of the effect of each factor on the response variable, as well as the effect of interactions between factors on the response variable. If a factorial design yields main and interaction effects, how should results be interpreted?
A)Analyze the main effect in light of the interaction effect
B)Analyze the main effect and interaction effect together
C)Analyze the interaction effect independently
D)Analyze all effects independently

Question

Quizplus · Accepted Answer

When analyzing results from a factorial design test, analyze the main effect while keeping in mind the interaction effect. ANOVA or regression analysis is the appropriate choice for this test.

In Statistical Test Construction, Factorial Design Allows for Analysis of the Effect