Work Type


Publication Date



Liberal Arts and Sciences


spaced practice; retrieval practice


This guide by is licensed under Creative Commons BY-NC-ND.

©2020 The development of this guide was supported by Iowa State University and the James S. McDonnell Foundation Twenty-First Science Initiative in Understanding Human Cognition, collaborative grant 220020483. Any opinions, findings, conclusions, or recommendations expressed are those of the authors and do not reflect the views of Iowa State University or the McDonnell Foundation.

Dutch_Spacing.pdf (3618 kB)
Dutch Translation

Portuguese_Spacing.pdf (3371 kB)
Portuguese Translation

Español - Espaciada - Spacing.pdf (21235 kB)
Spanish Translation



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