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Chan (Journal of Memory and Language 61:153\u2013170, 2009) proposed two moderating factors to account for why retrieval causes facilitation in some situations and forgetting in others: (1) integration at the time of encoding and (2) the delay between retrieval practice and final test. Chan found a 9\u201311% facilitation effect when the materials were well integrated and the final test occurred after a 24-h delay. Two sets of experiments sought to replicate and extend Chan\u2019s study by examining retrieval-induced facilitation not only following a 24-h delay but after longer delays (i.e., 1 or 2\u00a0weeks). A meta-analysis including these replications and the original experiments was also conducted. The results provide additional evidence of retrieval-induced facilitation, with no evidence that the effect varies as a function of the final delay. However, the size of the effect was found to be somewhat smaller than previously observed.<\/jats:p>","DOI":"10.1007\/s00426-022-01729-0","type":"journal-article","created":{"date-parts":[[2022,8,30]],"date-time":"2022-08-30T12:02:51Z","timestamp":1661860971000},"page":"1166-1179","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Examining the effect size and duration of retrieval-induced facilitation"],"prefix":"10.1007","volume":"87","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8940-7007","authenticated-orcid":false,"given":"Mercedes T.","family":"Oliva","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Benjamin C.","family":"Storm","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2022,8,30]]},"reference":[{"key":"1729_CR1","doi-asserted-by":"publisher","DOI":"10.4324\/9781315799438","volume-title":"The architecture of cognition","author":"JR Anderson","year":"1983","unstructured":"Anderson, J. 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