AO1

• What is the purpose of long term memory?

  To retain information for a long time
• How long can information be retained in long term memory?

  From a few hours to a lifetime
• What is the capacity of long term memory?

  It is very large
• In what code are most memories stored in long term memory?

  Semantic code based on meaning
• Who conducted a study on long term memory duration in 1975?

  Bahrick
• What did Bahrick ask participants to remember in his study?

  The names of their ex classmates
• How long after leaving school did Bahrick test participants' memory?

  15 and 48 years
• What retrieval method did Bahrick use when asking participants to list names?

  Recall
• What retrieval method did Bahrick use when showing pictures of classmates?

  Recognition
• What was the recall accuracy of participants 15 years after leaving school?

  About 60%
• What was the recognition accuracy of participants 15 years after leaving school?

  90% accurate
• What happened to recall accuracy 48 years after leaving school?

  It dropped to 30%
• What was the recognition accuracy of participants 48 years after leaving school?

  80% accurate
• What conclusions did Bahrick draw from his study on long term memory?

  • Long term memory can store information for a long duration
  • Recognition memory is better than recall memory accuracy