In ANOVA for an a b factorial experiment, it is necessary to have at least two measurements at each level of each factor in order to analyze any interaction between the factors.

Question

In ANOVA for an a  b factorial experiment, it is necessary to have at least two measurements at each level of each factor in order to analyze any interaction between the factors.

Quizplus · Accepted Answer

This is true because without multiple measurements at each level of each factor, it is impossible to distinguish between the effects of the factors and any possible interaction between them. ANOVA requires the use of variance estimates based on these multiple measurements in order to test for interactions.

In ANOVA for an a B Factorial Experiment, It