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Testing enhances subsequent learning in older adults
Bernhard Pastötter1, Karl-Heinz T Bäuml2
1Department of Psychology.
Psychology and Aging
|October 19, 2018
Summary
Retrieval practice, or testing, enhances memory recall in middle-aged and older adults by reducing interference. This "forward effect of testing" benefits memory regardless of age, suggesting a powerful tool against age-related memory decline.
Area of Science:
- Cognitive psychology
- Neuroscience of aging
- Human memory
Background:
- Episodic memory impairment in older adults is linked to interference susceptibility.
- Retrieval practice enhances memory in younger adults via the forward effect of testing.
- The late developmental trajectory of this effect in older adults requires examination.
Purpose of the Study:
- To investigate the forward effect of testing in middle-aged and older adults (40-79 years).
- To determine if retrieval practice mitigates proactive interference in older age groups.
- To assess the impact of age on the forward effect of testing.
Main Methods:
- Participants studied three item lists, followed by a cumulative recall test.
- A testing condition involved immediate retrieval practice on Lists 1 and 2.
- A restudy condition involved restudying Lists 1 and 2, with both groups tested on List 3.
Main Results:
- A reliable forward effect of testing was observed, enhancing List-3 recall.
- Interim testing significantly reduced prior-list intrusions.
- The forward effect of testing was independent of participants' age.
Conclusions:
- Retrieval practice effectively reduces proactive interference in middle-aged and older adults.
- The forward effect of testing is a robust phenomenon across adult age ranges.
- Retrieval practice is a potent strategy to mitigate age-related memory impairment.
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