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Three studies examined the impact of a treatment designed to instill resistance to deceptive persuasive messages. Study 1 demonstrated that after the resistance treatment, ads using illegitimate authority-based appeals became less persuasive, and ads using legitimate appeals became more persuasive. In Study 2, this resistance generalized to novel exemplars,(More)
When data analyses produce encouraging but nonsignificant results, researchers often respond by collecting more data. This may transform a disappointing dataset into a publishable study, but it does so at the cost of increasing the Type I error rate. How big of a problem is this, and what can we do about it? To answer the first question, we estimate the(More)
In a recent article, Harris (2003) concluded that the data do not support the existence of evolved sex differences in jealousy. Harris' review correctly identifies fatal flaws in three lines of evidence (spousal abuse, homicide, morbid jealousy), but her criticism of two other lines of evidence (self-report responses, psychophysiological measures) is based,(More)
Many individuals intend to exercise, but fail to link this intention to behavior. The present study examined the impact of an implementation intention intervention (i.e., instructions to form specific if-then plans) on an exercise intention-behavior relationship among working adults who varied in reported occupational stress levels. Results indicated that(More)
A central premise of the functional approach is that the same behavior may serve different functions for different individuals. More recently, this approach has been used to understand the motives behind volunteering. The purpose of this study was to investigate whether certain volunteer tasks (e.g., reading to the blind, entering data) differentially(More)
Past demonstrations of sex differences in jealousy have generally employed Buss et al.'s [Psychol. Sci. 3 (1992) 251] forced-choice methodology, a limitation criticized by DeSteno and Salovey [Psychol. Sci. 7 (1996) 367]. The present studies address this criticism by demonstrating the sex difference using both forced-choice and continuous measures of(More)
In two studies, 58 sadomasochistic (SM) practitioners provided physiological measures of salivary cortisol and testosterone (hormones associated with stress and dominance, respectively) and psychological measures of relationship closeness before and after participating in SM activities. Observed activities included bondage, sensory deprivation, a variety of(More)
Foreknowledge in research participants can undermine the validity of psychological research. Three studies examined a potentially major source of foreknowledge: participant crosstalk in an undergraduate subject pool. Participants in all three studies attempted to win extra experimental credit by guessing the number of beans in a jar-a nearly impossible task(More)
A single copy of this dissertation may be printed for personal use. The electronic version of this dissertation may be freely distributed in unmodified form only. The dissertation in any form is not to be sold for profit without the written authorization of Bert Cutler ii iii Acknowledgements My heartfelt thanks to the members of my dissertation committee:(More)
Studies examining sex differences in jealousy have often relied on student samples and were restricted to the evaluation of a selected few moderators. In this study, a nationally representative survey of American households was presented with either an actual or a hypothetical infidelity scenario (which appeared as either a forced choice or as continuous(More)