Why Has There Been Little Systematic Research Conducted on Dissociative

Multiple Choice

Why has there been little systematic research conducted on dissociative amnesia and fugue?

A) Case studies provide more useful information.
B) Both disorders are relatively brief, preventing researchers from having ample time to systematically conduct full evaluations.
C) The diagnosis of both disorders is too controversial; until a consensus is reached as to whether there is a true "psychogenic" amnesia, further study is virtually impossible.
D) These conditions are too rare to permit more extensive study.