| Summary: | Research on emotion often involves the use of emotion-evoking stimuli that are used to manipulate emotional state across groups or conditions. One standardized set of stimuli that has been used for this purpose is the International Affective Picture System (IAPS) [1]. The data described in this article were obtained over the course of two experiments in which the primary task was for participants to judge the presentation duration of six IAPS pictures in the temporal bisection task [2–4]. Each of these experiments contained three types of phases (rating, training, and testing). In rating phases, participants rated the IAPS pictures for evoked valence, arousal, and fear. In training phases, participants were trained to classify the presentation duration of green squares (Experiment 1) or IAPS pictures (Experiment 2) as either “short” or “long.” In testing phases, participants were instructed to use what they had learned in the preceding training phases to classify the IAPS pictures as either “short” or “long.” The findings related to these data were published in Grommet, Hemmes, and Brown [5], and the data are available in Mendeley Data, DOI: 10.17632/xx6zh6mmjw.1 [6]. Keywords: Temporal bisection, Timing, Emotion
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