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Three studies investigated the knowledge gained by students, ranging from grade 3 to graduate level, from exposure to single examples of literary types. Types were suspense fiction, the journalistic restaurant review, and an invented fictional genre. Students of all ages showed evidence of some pick up of rhetorical knowledge, although of limited complexity. The learning process involved is distinguished from that involved in more gradual learning from exposure to literary models.
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Bereiter et al. (1984) studied this question.