What Was the Main Conclusion of the Study Conducted by Rosenhan

Multiple Choice

What was the main conclusion of the study conducted by Rosenhan on labeling and mental illness, in which he recruited eight sane citizens to act as "pseudopatients" and simulate symptoms of psychosis?

A) Residual rule breaking is often harmless.
B) Everyone has a diagnosable mental illness.
C) The truly insane cannot be cured.
D) It can be difficult to distinguish insanity from sanity.