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A meta-analysis, a review, and an experiment investigated the effect of arousal on attraction. The meta-analysis examined experiments that manipulated arousal level. Results indicated that arousal affects attraction even when the arousal source is relatively unambiguous. In contrast, a review of experiments that manipulated arousal source ambiguity suggested that arousal exerts a stronger influence on attraction when arousal sources are greater in ambiguity. The authors proposed a judgment and adjustment model that states that arousal automatically affects judgments of attraction but that individuals can correct (i.e., adjust) for this automatic effect when the arousal source is unambiguous. Consistent with this model, an experiment provided evidence that cognitive busyness interferes with the adjustment process.
Foster et al. (Thu,) studied this question.