The police foundation conducted the classic kansas city preventive patrol experiment, which showed that increasing or decreasing the level of routine preventive patrol—the -backbone of police work—had on crime, fear of crime, or citizen -satisfaction with police services.

Which of the following is an example of how the principle of beneficence can be applied to a study employing human subjects? providing detailed information about the study and obtaining the subject's consent to participate. ensuring that the selection of subjects includes people from all segments of the population. ensuring that persons with diminished autonomy are protected. determining that the study has a maximization of benefits and a minimization of risks.