Abstract. In a widely publicized set of studies, participants who were primed to consider unethical events preferred cleansing products more than did those primed with ethical events ( Zhong & Liljenquist, 2006 ). This tendency to respond to moral threat with physical cleansing is known as the Macbeth Effect. Several subsequent efforts, however, did not replicate this relationship. The present manuscript reports the results of a meta-analysis of 15 studies testing this relationship. The weighted mean effect size was small across all studies (g = 0.17, 95% CI [0.04, 0.31]), and nonsignificant across studies conducted in independent laboratories (g = 0.07, 95% CI [−0.04, 0.19]). We conclude that there is little evidence for an overall Macbeth Effect; however, there may be a Macbeth Effect under certain conditions.

Didactic curricula in psychology doctoral internship training programs in health service psychology are important components of the training experience. However, the nature of didactic curricula, including how they are developed and implemented, is not well understood. The purpose of this study was to describe characteristics of didactic programs, better understand their development, and identify barriers to implementation. This study surveyed psychology doctoral internship program directors about didactic training in their programs. A total of 122 internship directors consented to participate. On average, internship didactics were held for 11 hr per month, during regular workday hours, and on a weekly basis. Internal faculty members were the most common didactic speakers. Didactic curricula were typically developed to meet profession-wide competencies as established by the accrediting body, the American Psychological Association.

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