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Peterson and Peterson 1959
M- lab ex
- strength: scientific method- controlled extraneous variables (blocking rehearsal by counting back in 3s thus internal V-high
- strength: lab ex - high reliability -replicated.
- furthermore, study bee replicated 100s of time- finding STM does have limited durations- high reliability.
- Limitation- controlled environment- artificial setting- not true to life.
- thus lacks eco v
- furthermore, meaningless trigrams - not true to life test of memory- Task V-low
- thus lacks eco v
- Limitation- controlled environment- artificial setting- not true to life.
- furthermore, study bee replicated 100s of time- finding STM does have limited durations- high reliability.
- strength: lab ex - high reliability -replicated.
- strength: scientific method- controlled extraneous variables (blocking rehearsal by counting back in 3s thus internal V-high
G- 24 P's - small sample.
- university students- don't generalize to wider population.
A- Trace decay- info lost.
- interference - counting back in 3s compete the trigrams for limited capacity in STM.
A- inform students- interference in STM - music while revising competes with info.
- Music while revising- info not go to LTM.
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- Mind Map on Untitled, created by ruksarbibi on 19/03/2015.
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