constructing research studies. In addition to allowing researchers to expand on

Question

constructing research studies. In addition to allowing researchers to expand on previous research, factorial designs can enable researchers to overcome specific problems. How can factorial designs correctly address specific research issues? Check all that apply. If a researcher using a within-subjects design suspects that a particular participant characteristic, like age, may affect the outcome of treatment, that participant characteristic can be used as a factor. If a researcher is concerned about treatment order effects, treatment order can be used as a factor.

Explanation / Answer

Ans. (a), (b)

A Factorial design involves having more than one independent variable, or factor, in a study. Factorial designs allow researchers to look at how multiple factors affect a dependent variable, both independently and together. For example, A study with two factors that each have two levels is called a 2x2 factorial design.

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