In Rosenhan's study using pseudo-patients who attempted to be admitted to a mental hospital, which error described in Chapter 8 was most likely responsible for their incorrect diagnoses?

Question

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Confirmation bias is the tendency to interpret information in a way that confirms preexisting beliefs or expectations. In Rosenhan's study, the doctors and staff in the mental hospitals had preexisting expectations about the behaviors and characteristics of mentally ill patients, which caused them to interpret the pseudo-patients' behaviors as indicating mental illness, even when those behaviors were actually normal. This is an example of confirmation bias.

In Rosenhan's Study Using Pseudo-Patients Who Attempted to Be Admitted