Mathematics, 19.12.2019 03:31 lina2662
During an experiement to evaluate the effictiveness of a new public relations program used by a police department to improve its relationship with the community an errant police officer shoots and kills an unarmed teenager. what type of threat to the internal validity of this experiments results is this problem?
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During an experiement to evaluate the effictiveness of a new public relations program used by a poli...
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