Psychology Jacobs study
- Created by: ashleighchester97
- Created on: 12-03-15 10:22
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- Jacobs CAPACITY
- Aim
- To investigate how much info can be held in STM.
- Procedure
- Lab experiment using serial digit span technique
- Participants given sequence of letters or digits followed by serial recall test.
- Pace of items was half a second intervals through metronome.
- Initial sequence was 3 items slowly increasing with 1 item until participant failed to say sequence correctly.
- Independent Variable
- The number of digits/letters they were shown
- Dependent Variable
- The number of digits/letters they could remember.
- Conclusion
- STM has limited capacity between 5 and 9 items.
- Findings
- Average digit span was 9.3
- Average letter span was 7.3
- Aim
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