Some articles on pseudopatients:

Rosenhan Experiment - The Pseudopatient Experiment
... Rosenhan himself and seven mentally healthy associates, called "pseudopatients", attempted to gain admission to psychiatric hospitals by calling for an appointment and feigning ... The pseudopatients included a psychology graduate student in his twenties, three psychologists, a pediatrician, a psychiatrist, a painter and a housewife ... Pseudopatients used pseudonyms, and those who worked in the mental health field were given false jobs in a different sector to avoid invoking any special treatment or ...