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19-06-2017 | Uitgave 6/2017

Journal of Behavioral Medicine 6/2017

Experiencing is believing: prior experience moderates the impact of self-based and socially-based cues in the context of blood donation

Journal of Behavioral Medicine > Uitgave 6/2017
Lindsay Roberts, Jason P. Rose, Erin A. Vogel
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The online version of this article (doi:10.​1007/​s10865-017-9862-y) contains supplementary material, which is available to authorized users.


Two studies explored how self-based cues (i.e., self-efficacy), socially-based cues (i.e., perceived social norms), and prior blood donation experience differentially influence behavioral intentions. In Study 1, undergraduate students (N = 766) completed an online study that evaluated prior experiences, self-efficacy, perceived norms, and behavioral intentions in the context of blood donation. In Study 2, a community sample (N = 199) from a clinic waiting room completed similar measures. Across both studies, having high self-efficacy was a necessary and sufficient antecedent to high intentions, regardless of norm perception for donors. For non-donors, however, high self-efficacy was necessary but not sufficient; non-donors’ intentions were higher when giving blood was perceived to be normative, but far lower when it was not. When self-efficacy was low, the effects of experience and norms did not exert meaningful effects and donation intentions were quite low. These results demonstrate that the impact of self-based and socially-based cues on behavioral intentions may differ as a function of experience. The findings can inform public health initiatives and enhance the accuracy of theoretical models by directly examining experience as a moderator.

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