Mind map
Peterson & Peterson (1956)
Map content
Peterson & Peterson (1956)
Summary
- Trigram Recall while counting a random number backwards in 3s (e.g. CHJ 506)
- Find out duration of STM
- Conclusion
- Duration of STM without rehearsal is about 18secs
- Trigram Recall while counting a random number backwards in 3s (e.g. CHJ 506)
Strength
- Internal Validity
- Held in a lab making it easier to control
- Reliability
- Standardised procedure where it has fixed timings
- Internal Validity
Weakness
- Ecological Validity
- Artificial environment meaning it lacks reality
- Generalisability
- Unrepresentative sample of only consisting of Psychology students
- Ecological Validity
Information
- Description
- Mind Map on Peterson & Peterson (1956), created by (Pearl) Bhannaporn Limsuksrikul on 25/10/2018.
- Created by
- (Pearl) Bhannaporn Limsuksrikul
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