Lesson 13 forgetting curve 2013
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Lesson 13 forgetting curve 2013

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Lesson 13 forgetting curve 2013 Lesson 13 forgetting curve 2013 Presentation Transcript

  • Lesson 13: Forgetting Curve - The Work of EbbinghausSunday, 31 March 13
  • Lesson 13: Forgetting & Memory Loss EXAM QUESTION (Taken from VCAA Sample Exam 2011)Sunday, 31 March 13
  • Model Response: a. The Tip-of-the-tongue Phenomenon is knowing that your memory does have the name, item or material you are trying to remember but just cannot retrieve it at that moment. b. Any one of the following: 1) Retrieval Failure Theory - the information was available but not accessible due to inadequate retrieval cues OR 2) Interference Theory - the information is available but is blocked by interference from similar sounding materialSunday, 31 March 13
  • Lesson 13 - The Forgetting Curve - The Work of Ebbinghaus Objectives Outline techniques used to manipulate and improve memory Describe the significance of the Forgetting curve as informed by the work of Hermann Ebbinghaus Explain the measures of retention including the relative sensitivity of recall, recognition and relearning Explain the effect of context dependent cues and state dependent cues  Sunday, 31 March 13
  • Recall the phone number from last lessonSunday, 31 March 13
  • 9458 2329Sunday, 31 March 13
  • What is your phone number?Sunday, 31 March 13
  • Why is it we can remember our phone number which we learnt many years prior, but cannot remember a number we learnt last lesson???Sunday, 31 March 13
  • The forgetting curve represents the normal pattern of forgetting for new meaningless information Generally we forget about 60% of what we have just processed within the first 20 minutes. More than half of memory   Most of the material that will be forgotten loss that occurs is within the is done so within the first 8 hours, then it first hour. steadies out.Sunday, 31 March 13
  • You will forget less if: * The information is meaningful * Information is learnt over an extended period of time * Information is encoded wellSunday, 31 March 13
  • Measures of Retention – Measuring Memory Recall Recognition RelearningSunday, 31 March 13
  • Recall - Being asked to reproduce information with the fewest possible cues. Free Recall – asked to remember as much information as possible in no particular order -List of grocery items Serial Recall – asked to recall information in a particular order - Names of Cities (itinerary) Cued Recall - given a cue then asked to recall Seven Dwarfs: first letter ofSunday, 31 March 13
  • Recognition - Identifying correct information from among alternatives. Can retrieve more this way as recognition provides more cues for retrieving from LTM. Recognition is a more sensitive measure Example – multiple choice Q’sSunday, 31 March 13
  • Relearning - Even if you can’t recall or recognise initially it doesn’t mean there is no memory. If you relearn it and learn it more quickly the 2nd time, the assumption is that there was some memory available Especially true for procedural memory - saying its like riding a bicycle - never forget how to ride a bike Savings score - if the time taken to learn the material originally can be measured and compared with the time taken to relearn the same material, then a savings score can be calculated (time for original learning) - (times for relearning) x 100% Savings __________________________________________ = Score (time for original learningSunday, 31 March 13
  • Measures of retention - sensitivity Recall worst Recognition better Relearning bestSunday, 31 March 13