Provide an example of order effects in a within-subjects research study and explain why order effects are a concern for researchers
What will be an ideal response?
Order effects occur when experience in one part of a research study affects performance in another part of the study. A simple example is fatigue: participants tire during one treatment condition and their performance is lower in the next treatment condition. As a result, there are two explanations for why the scores may differ from one treatment to another: the difference may be caused by the treatments, or the difference may be caused by order effects.
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