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. 2021 Jul;49(5):939-954.
doi: 10.3758/s13421-021-01137-6. Epub 2021 Feb 8.

Re-assessing age of acquisition effects in recognition, free recall, and serial recall

Molly B Macmillan  1 , Ian Neath  2 , Aimeé M Surprenant  1
Affiliations

Re-assessing age of acquisition effects in recognition, free recall, and serial recall

Molly B Macmillan et al. Mem Cognit. 2021 Jul.

Abstract

Age of acquisition (AoA) refers to the age at which a person learns a word. Research has converged on the conclusion that early AoA words are processed more efficiently than late AoA words on a number of perceptual and reading tasks. However, only a few studies have investigated whether AoA affects memory on recognition, serial recall, and free recall tests, and the results are equivocal. We took advantage of the recent increase in the number of high-quality norms and databases to construct a pool of early and late AoA words that were equated on numerous other dimensions. There was a late AoA advantage in recognition using both pure (Experiment 1) and mixed (Experiment 2) lists, no effect of AoA on serial recall of either pure (Experiment 3) or mixed (Experiment 4) lists, and no effect of AoA on free recall of either pure (Experiment 5) or mixed lists (Experiment 6). We conclude that AoA does reliably affect memory on some memory tasks (recognition), but not others (serial recall, free recall), and that no current account of AoA can explain the findings.

Keywords: Age of acquisition; Free recall; Memory; Recognition; Serial recall.

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