Which of the following is a reason why it can be necessary to include two factors in the same statistical design?
A) you want to observe two groups in the same statistical design
B) you want to analyze the main effects of a factor
C) your hypothesis may require that you observe two factors
D) you want to minimize the number of participants observed in your study

Question

Quizplus · Accepted Answer

Some research questions or hypotheses may require that two factors be observed in the same statistical design, as both factors may be important in determining the outcome of interest. For example, in studying how different types of exercise affect weight loss, it may be necessary to consider both the type of exercise and the duration of the exercise to understand their joint effects. Therefore, including two factors in a statistical design is often necessary to fully capture the complexity of the research question.

Which of the Following Is a Reason Why It Can