http://visuallearningresearch.wiki.educ.msu.edu/file/view/Harp+%26+Mayer+(1998).pdf Seductive details (unrelated, interesting facts) don't help students remember.
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http://visuallearningresearch.wiki.educ.msu.edu/file/view/Harp+%26+Mayer+(1998).pdf Seductive details (unrelated, interesting facts) don't help students remember.