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A field interrogation is viewed as a two way exchange between a police officer and a citizen. Amount of cooperation given by the citizen is considered a reward to the police officer. This cooperation is hypothesized to be dependent upon the value placed on the actions of the police. As predicted, citizens are more cooperative when a reason is provided for the interrogation. This is viewed as a reduction of costs for the citizen in the encounter. In addition, the amount of citizen cooperation (reward) increases when the reason given is a police activity viewed as appropriate and valuable by members of the community. For example citizens are more cooperative in investigations of crimes against persons than victimless crimes, which coincides with the ranking of appropriate police activities by a sample of the community.
Wiley et al. (Tue,) studied this question.