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We investigated whether the valence of performance feedback provided after a task, would affect participants’ perceptions of how much mental effort they invested in that same task. In three experiments, we presented participants with problem-solving tasks and manipulated the presence and valence of feedback between conditions (no, positive, or negative feedback valence), prior to asking them to rate...
Are practice tests only helpful when having studied before taking them? We investigated this question in a multimedia learning scenario. Participants (N = 85) were randomly assigned to one of two groups, in which they did either not study or studied before taking a test. Afterwards, all participants (re-)studied with the same materials, and took the same test again. Participants had generally higher...
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