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Demand characteristics
Demand characteristics refer to cues in an experiment that tell the participant what behavior is expected. A term used in psychology experiments to desribe a cue that makes participants aware of what the experimenter expects to find or how participants are expected to behave. Demand characteristics can change the outcome of an experiment because participants will often change their behavior to conform to the experimenters expectations. refers to unintended features of the experiment which affect the results, thus compromising the internal validity of the study. The term is also used in the sociology of deviance to refer to those organizational features of work settings, other than the formal goals of the organizations or principles such as due process or fairness, which shape arrest decisions, plea bargaining, or jury deliberations. Examples of demand characteristics which police officers may attend to in making decisions on the street are the informal expectations of police culture, their work load, their need to accumulate overtime or organizational rules.
 
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