Creating suspects in police interviews

In 3 studies, the idea was tested that an increase in a police officer's mo vements in an interview will lead to an increase in movements made by the s uspect. This increase in movements may then be interpreted by the police of ficer as suspicious behavior. In Study 1, interviewees were interviewed by I male police officer who either made some movements or no movements at all . The movements made by the suspects were investigated. In Studies 2 and 3, police officers were asked to judge the credibility of interviewees who we re interviewed by a lively or a nonlively interviewer. The results supporte d the process described.