Deals with deception
Right to withhold information - During debriefing participants should be offered the right to withhold their data from the study. This is a form of retrospective concent.
Costs and benifits - Deception is not acceptable when a study has little value and/or when the costs (e.g. distress) are too great. Thus, the task of an ethical committee is usually to decide whether the value of a study is sufficiant to justify the costs.
For example, Savin concluded, with regard to Zimbardo's prison study, that the benifits to society were insufficient to justify the methods used. In contrast, Erikson (1968), commenting on Milgram's research, said that it had made 'a momentous and meaningful contribution to our knowledge of human behaviour'. When the benifits justify the cost, or the costs are not too great, then deception might be acceptable.
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