In the Study by Grant Et Al

Multiple Choice

In the study by Grant et al., subjects studied text materials either in a noisy or a quiet environment and also recalled the material either in a noisy or a quiet environment. What was true about this study?

A) there were two different conditions (noisy; quiet)
B) it was a 2x2 matched groups factorial design
C) they found an interaction and two significant main effects
D) no significant main effects were found in this study, but there was an interaction