A Model for Stochastic Drift in Memory Strength to Account for Judgments of Learning

Autor/inn/en	Sikstrom, Sverker; Jonsson, Fredrik
Titel	A Model for Stochastic Drift in Memory Strength to Account for Judgments of Learning
Quelle	In: Psychological Review, 112 (2005) 4, S.932-950 (19 Seiten) PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	0033-295X
Schlagwörter	Retention (Psychology); Cues; Recall (Psychology); Memory; Learning; Models; Predictor Variables; Statistical Analysis + Suchen Sie Ihr Suchwort? Merkfähigkeit; Stichwort; Abberufung; Gedächtnis; Lernen; Analogiemodell; Prädiktor; Statistische Analyse
Abstract	Previous research has shown that judgments of learning (JOLs) made immediately after encoding have a low correlation with actual cued-recall performance, whereas the correlation is high for delayed judgments. In this article, the authors propose a formal theory describing the stochastic drift of memory strength over the retention interval to account for the delayed-JOL effect. This is done by first decomposing the aggregated memory strength into exponential functions with slow and fast memory traces. The mean aggregated memory strength shows power-function forgetting curves. The drift of the memory strength is large for immediate JOLs (causing a low predictability) and weak for delayed JOLs (causing a high predictability). Consistent with empirical data, the model makes a novel prediction of JOL asymmetry, or that immediate weak JOLs are more predictive of future performance than are immediate strong JOLs. The JOL distributions for immediate and delayed JOLs are also accounted for. (Author).
Anmerkungen	American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org/publications.
Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2017/4/10