Imagine that you are reading a journal article and you see the following sentence: "The study used a 2 × 2 × 4 design." Based on this sentence alone, you would know which of the following pieces of information?
A)The number of participants in the study
B)The number of main effects that need to be examined
C)The statistical significance of the interaction
D)The number of participant variables

Question

Quizplus · Accepted Answer

The "2 × 2 × 4" notation indicates that there are three independent variables, each with two, two, and four levels, respectively. Therefore, there are a total of three main effects that need to be examined. The sentence does not provide information about the number of participants, statistical significance, or participant variables.

Imagine That You Are Reading a Journal Article and You