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Experimental methods in psychology

Interest in forensic psychology has surged in recent years, primarily due to such television programs as “Criminal Minds,” where criminal profilers have an almost psychic ability to give elaborate personality and behavioral descriptions of perpetrators (“UNSUBs”). This is a misconception of the role that forensic psychologists play and leads to confusion about who is a forensic psychologist. Since forensic psychology is a relatively new field within psychology, it is still having growing pains. Thus, it would probably be best to start with a definition.

Most forensic psychology textbook authors describe forensic psychology as having a broad definition and a narrow definition. Forensic psychology, as defined by the American Psychological Association, is the application of clinical specialties to the legal arena. This definition emphasizes the application of clinical psychology to the forensic setting. Christopher Cronin, who has written a well-known textbook on forensic psychology, defines it as “The application of clinical specialties to legal institutions and people who come into contact with the law” (p. 5), again emphasizing the application of clinical skills such as assessment, treatment, evaluation to forensic settings. This is considered a narrow definition. The broad definition of forensic psychology emphasizes the application of research and experimentation in other areas of psychology (e.g., cognitive psychology, social psychology) to the legal arena. This would include applying results from studies in areas such as cognitive psychology to legal questions. Two good examples include Elizabeth Loftus’ many studies on eyewitness identification and Stephen Ceci’s research on children’s memory, suggestibility and competence to testify. Cronin labels this definition “legal psychology” or “The scientific study of the effect of the law on people, and the effect people have on the law.”