Quiz 2 Practice and the Learning Curve
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Created by:
luvindrgnfys on November 7, 2010
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Learning and Cognition
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8 terms
Terms | Definitions |
|---|---|
 Know the contributions of Herman Ebbinghaus to the study of memory. | He was the first to take an empirical look at memory. Through his own personal experience with memorization he discovered that items stored in LTM are stable over time. |
| Ebbinghaus (1885): Method | Rehearsed 420 lists. Each list had 13 nonsense syllables each, he repeated and rehearsed each list 35 times. Participant was himself. IV- retention interval (immediate->one month) DV- proportion of syllables recalled |
| Ebbinghaus (1885): Results | Proportion of syllables recalled decreased as a function of retention interval |
| Ebbinghaus (1885): Conclusions | Ebbinghaus concluded that routine memorization can be useful but is limited in its capacity to retain large quantities |
| What are the common measures of retention? | There are three common measures of retention. Recall: requires the subject to reproduce information on their own w/o any cues. IE: Exp 10 Recognition: requires a subject to select previously learned information from an array of options. IE:having to choose from a list and pick out previously learned words Relearning: requires someone to memorize information a 2nd time to determine how much time, or how many practice trials are served by having learned it before. IE: Graduate school |
| What is the Power Law of learning? | It states that items that are stored into memory become stronger every time you use them. Recognition time decreases as a function of practice |
| Pirolli and anderson (1985) | rationale: Had participants practice sentences. Methosd: IV-days of practice, DV- recognition time for sentences. Results: recognition time decreased as a function of practice |
| Give two reasons why the power law of learning is the optimal way for memory to be organized. | Memory events that frequently happen/practiced are retained *if events repeatedly occur it is obvious they are important Memory system gives priority to recent information *sharper images for recent events *these events are more likely to happen tomorrow |
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