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Study design

Four experiments tested repeated recall of learned lists. Participants retrieved the same material across three tests, comparing free recall with an initial-letter cue format that prescribed response order and sometimes allowed six seconds per item.

What it found

The constrained format produced larger increases in items recalled across successive tests in the first three experiments, across word/image materials and delays. In experiment four, with cues simultaneously visible and responses unconstrained, the advantage disappeared.

Limits and interpretation

These laboratory tasks measured retrieval performance, not long-term learning or daily memory in older adults or patients. The effect depended on a specific timed, ordered cue format and should not be generalized to all memory practice or clinical use.

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Research news is not medical advice or a recommendation to use a substance. Read findings in the context of the study design, participants and limitations. Editorial standards.

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