Abstract The purpose of this study was to examine the effects of interleaving and expanding retrieval on the retention of physiology concepts. Participants ( n = 189) read and then reread 30 immunology and reproductive physiology passages. Half of the participants read and then reread the passages in a blocked manner (e.g., a 1 a 2 a 3 b 1 b 2 b 3 ), and the other half did so in an interleaved manner (e.g., a 1 b 1 b 2 a 2 a 3 b 3 ). Participants were then repeatedly assessed, without feedback, after either a uniform or an expanding series of intervals. Half of the students from both the blocked and interleaved groups completed the assessments 1, 2, and 3 days after rereading the passages (uniform), whereas the other half completed the assessments immediately and 1 and 3 days after rereading the passages (expanding). All participants completed a final assessment 10 days after rereading the passages. There were no significant differences between the blocked and interleaved groups on any of the assessments, nor were there any significant interactions between the groups on any of the assessments. Those in the expanding retrieval group scored significantly higher than those in the uniform group on all four assessments (ANOVA; assessment 1 : F = 35.12, P = 0.00; assessment 2 : F = 13.88, P = 0.00; assessment 3 : F = 10.87, P = 0.00; and assessment 4 : F = 6.79, P = 0.01). Mean final assessment scores were 47.58 ± 19.81 and 40.50 ± 17.17 for the expanding and uniform groups, respectively. The results indicate that participants benefited more from expanding retrieval practice. interleaving expanding retrieval Copyright © 2011 the American Physiological Society « Previous | Next Article » Table of Contents This Article doi: 10.​1152/​advan.​00039.​2011 Adv Physiol Educ December 2011 vol. 35 no. 4 378-383 » Abstract Free Full Text Free Full Text (PDF) Free Classifications How We Teach Services Email this article to a friend Alert me when this article is cited Alert me if a correction is posted Alert me when eletters are published Similar articles in this journal Similar articles in Web of Science Download to citation manager Responses Submit a response No responses published Citing Articles Load citing article information Citing articles via Web of Science Google Scholar Articles by Dobson, J. L. PubMed Articles by Dobson, J. L. Related Content Load related web page information Current Issue December 2011, 35 (4) Alert me to new issues of Adv Physiol Educ About the Journal Information for Authors Submit a Manuscript Ethical Policies AuthorChoice PubMed Central Policy Reprints and Permissions Advertising Press Copyright © 2011 the American Physiological Society Print ISSN: 1043-4046 Online ISSN: 1522-1229 var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-2924550-1"); pageTracker._trackPageview();

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