Rosenhan

Question	Answer
Aim	To test the reliability of classification system (DSM) Aim one: To see if sane individuals were diagnosed as insane Aim two: To see if insane individuals were diagnosed as sane
Sample	12 hospitals, 5 states. modern, old, well staffed, poorly staffed
confederates	5 males and 3 females various occupations Rosenhan himself was a confederate
Aim one: methodology	Voices: empty hollow thud accurate account of life apart from name and occupation acted normally when admitted
Findings: Aim one	11 admitted with schizophrenia, 1 bi-polar 7-52 days incarcerated diagnosed as in-remission when released type 2 error, false positive
Aim 2: Methodology	psychiatric teaching research hospital that was aware of the findings of the first experiment over 3 months pseudo patients will be sent (none were) each member of staff was asked the likelihood of the patients admitted being pseudo patients
Findings: Aim two	193 patients admitted 19 were thought to be pseudo patients by psychiatrist and one other staff member 23 - at least 1 psychiatrist 41- at least 2 members of staff false negative - type 1 error
Stickiness of labels	taking notes was called pathological writing behaviour

Resource summary

	Created by Georgia Bishop over 9 years ago