EFFECTS OF GRAMMATICAL FACTORS AND AMOUNT OF MATERIAL ON MEMORIZING PARAGRAPHS, SENTENCES, AND WORD LISTS.
GEORGE WASHINGTON UNIV ALEXANDRIA VA HUMAN RESOURCES RESEARCH OFFICE
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The effects of certain measurable characteristics of written material upon speed of memorization were studied. These characteristics were of four general classes a load factors reflecting informational density of a selection, b length of the selection, in grammatical units of various kinds, c factors dealing with alternative, grammatically equivalent ways for presenting the same semantic material, and d word frequency factors. Of the four types of stimulus characteristics studied, length factors were found to have the clearest and most potent effects upon rote memorization. Author