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- 1Capacity of LTM- WagenaarCreated a diary of 2,400 events over 6 years and tested himself to recall events not dates. He found he had excellent recall on events rather than dates suggesting LTM capacity is large.
- 2Duration of LTM- Bahrick et al.400 pps aged 17-74. Set of photos and names of old school friends of theirs. Pps who had left school within 15 years recalled 90% and those who left over 48 years ago recalled 70% faces and 80% names.
- 3Encoding of LTM- BaddeleyPps were given words, acoustically similar, acoustically disimilar, semantically similar and semantically disimilar. Mistakes were made with words with similar meanings showing that LTM encodes semantically.
- 4Strengths of STM and LTM researchMost MSM research was conducted in a lab which means conditions are controlled making results more reliable. It can make us determine cause and effect with high confidence.
MRI scans show which parts of the brain are used when certain tasks are carried out. These findings support existence of different stores for different memories. - 5Limitations of LTM and STM researchAn overuse of lab experiments reduce ecological validity so cannot be generalised to real life situations.
Cohen said that memory capacity cannot be measured in terms of the amount of information but rather by the nature of the information.
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- Flashcards on Untitled, created by milliesimpson on 02/02/2014.
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