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The evidence behind the series
Browse the scientific research and professional literature used across all seven volumes of The Science of Learning for Educators.
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1 reference
This meta-analysis examines learning with node-link diagrams, including concept and knowledge maps, across 55 studies, 67 effect sizes, and 5,818 learners from grade four through postsecondary education. Students either constructed, completed, modified, or studied maps in subjects such as science, psychology, statistics, and nursing.
Across varied conditions, mapping was associated with better retention than comparison activities, although effects ranged from small to large and showed considerable heterogeneity. Benefits appeared when learners built maps and when they studied well-designed maps, suggesting that both generative organisation and explicit relational representations can support learning. Outcomes depended on the comparison condition, how maps were used, learner experience, and instructional support. The review does not establish that any diagram labelled a concept map is effective.
For educators, maps should express meaningful propositions and relationships, align with the learning goal, and be accompanied by modelling, feedback, or discussion; visual complexity and mechanical copying can undermine the intended organisation of knowledge.
A transparent research trail
Each entry identifies the volume, edition, chapter or appendix in which the work appears.
Evidence summaries explain the central idea and why the source matters to educators.
Entries link to lawful full text where available, or to a publisher, library or purchase page.
References are checked against publisher records, scholarly indexes, DOI or ISBN metadata, repositories and author records where available. An entry marked [Citation not verified] preserves the wording found in the relevant volume without attributing findings to an unconfirmed work.
From sources to a coherent pathway