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Power_Point_2 - Inference to Best Explanation Hitch model...

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Inference to Best Explanation Example: Baddeley & Hitch model of working memory This model contains modules for the Central Executive and Assistant Processes. One Assistant Process is the phonological loop (involving subvocal speech, spoken speech, and a phonological buffer/store).
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To create the model, researchers have considered: 1. CAPACITY HOW? By looking at letter span measurement RESULT: Limited capacity – about 7-8 letters in English 2. NATURE OF PROCESSING HOW? By evaluating specific types of errors RESULT: Substitutions are made with letters that sound the same even when letters are presented visually INFERENCE: Working memory is limited in how many letter names can be held temporarily INFERENCE: The letters are coded in verbal form
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3. RELATIONSHIP OF the phonological buffer capacity to various tasks HOW? Use concurrent vocalization (e.g., “tah, tah, tah”) when letters are presented visually RESULTS: 1. Reduces letter span 2. Has no negative effect on problem solving 3. Has no negative effect on memory
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