Forgetting

• Why do we forget

  Decay Theory

  Proactive interference

  Retroactive interference

  Retrieval Failure
• What is interference

  When 2 memories get mixed up
• what makes interference more likely to happen

  when memories are similar
• What is pro active interference

  Old memories effect new memories
• what is retro active interference

  New memories effect old memories
• context Dependent Forgetting

  At recall, we lack the EXTERNAL cues that were present at learning.
• State Dependent Forgetting

  At recall, we lack the INTERNAL cues that were present at learning.
• there are 2 State Dependent Forgetting

  Physiological

  Psychological
• Eyewitness Testimony

  Someone who has seen a crime and can give First hand discription
• Weapons testimony

  A witnesses concentration on a weapon which reduces their ability to give details about other parts of the crime
• draw the graft for YERKES-DODSON LAW (1908)


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• Leading questions

  Questions which prompt or encourage an answer

  that is wanted by the person asking the question.
• Misleading information

  Before an eyewitness is asked to recall what happened, they are exposed to incorrect information.
• what can cause misleading information

  leading questions

  post event discussion
• Decay theory

  We forget because memories slowly fade from long term until they completely disappear
• 4 factors effecting memory accuracy

  Schemas

  Leading questions

  Post event discussion

  Anxiety
• leading questions

  questions that suggest that a particular anwser is correct
• post event discussion

  people discuss an event after it happens
• Cognitive interview

  a questioning technique designed to improve the information that an eyewitness can retrieve about a crime.