It can be difficult to test hypotheses about dissociative identity disorder, because it is an especially rare disorder. Which research design would be most useful in these circumstances?

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Case study design would be the most useful in researching dissociative identity disorder because it is a rare disorder and case studies allow for the in-depth analysis of a single individual or a small group of individuals. This approach would allow researchers to gather detailed information about the disorder and potentially identify common patterns or themes among those who experience it. Naturalistic observation, experimental, and correlational designs may not be as effective in this context due to the rarity of the disorder and the difficulty of identifying individuals who meet the diagnostic criteria.

It Can Be Difficult to Test Hypotheses About Dissociative Identity