5. Explanation of Forgetting - Interference

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    1. Explanation of Forgetting - Interference
    Proactive Interference:
    • Old memory interferes w/ new.
    • Old — New.
    Retroactive Interference:
    • New memory interferes w/ old.
    • New — Old.
  • 2. Explanation of Forgetting - Interference

    McGeoch + McDonald (1931):
    • Interference worse when info/memories similar.
    • Retroactive interference.
    • 6 groups learned 10 words (100% accuracy).
    • Given diff interference materials.
    • Recall depended on nature of 2nd list.
    • Synonyms = worst recall.
    • Interference strongest when memories similar.
  • Explanation of Forgetting - Interference (Evaluation)
    Strength:
    P - interference operates IRL situations.
    E - Baddeley + Hitch (1977), rugby player recall names of teams played against.
    E - played same season but number games varied; ones who played most = worst recall.
    L - real-life application.
  • Explanation of Forgetting - Interference (Evaluation)
    Limitation:
    P - forgetting IRL unusual bc conditions necessary for interference rare.
    E - 2 memories need be similar for interference, rarely happens.
    L - forgetting better explained by other theories.
  • Explanation of Forgetting - Interference (Evaluation)
    Limitation:
    P - interference temporary + overcome by cues.
    E - Tulving + Pstoka (1971), word list in categories; recalled averaged 70% for 1st list; worse as list continued (proactive interference).
    E - cue recall test; rose again to 70%.
    L - interference = temporary loss of access, still in LTM.