Effect size literature

Materials for KI Dep Clinical Neuroscience Seminar

Click here for a brief overview of the project

Slide Deck (without videos)

Our paper

Judd, N., & Klingberg, T. (2021). Training spatial cognition enhances mathematical learning in a randomized study of 17,000 children. Nature Human Behaviour, 1–7. PDF

Re-evaluating Cohen’s standards

In order of importance:

1. Funder, D. C., & Ozer, D. J. (2019). Evaluating Effect Size in Psychological Research: Sense and Nonsense. Advances in Methods and Practices in Psychological Science, 2(2), 156–168. PDF
2. Anvari, F., Kievit, R., Lakens, D., Pennington, C. R., Przybylski, A. K., Tiokhin, L., Wiernik, B. M., & Orben, A. (2022). Not All Effects Are Indispensable: Psychological Science Requires Verifiable Lines of Reasoning for Whether an Effect Matters. Perspectives on Psychological Science: A Journal of the Association for Psychological Science, PDF
3. Götz, F. M., Gosling, S. D., & Rentfrow, P. J. (2021). Small Effects: The Indispensable Foundation for a Cumulative Psychological Science. Perspectives on Psychological Science: A Journal of the Association for Psychological Science, 1745691620984483. PDF

Education literature

• Kraft, M. A. (2020). Interpreting Effect Sizes of Education Interventions. Educational Researcher , 49(4), 241–253. PDF
• Ritchie, S. J., & Tucker-Drob, E. M. (2018). How Much Does Education Improve Intelligence? A Meta-Analysis. Psychological Science, 29(8), 1358–1369. PDF
• Bloom, H. S., Hill, C. J., Black, A. R., & Lipsey, M. W. (2008). Performance Trajectories and Performance Gaps as Achievement Effect-Size Benchmarks for Educational Interventions. Journal of Research on Educational Effectiveness, 1(4), 289–328. PDF
• Lortie-Forgues, H., & Inglis, M. (2019). Rigorous Large-Scale Educational RCTs Are Often Uninformative: Should We Be Concerned? Educational Researcher , 48(3), 158–166. PDF
• von Hippel, P. (2024). Multiply by 37 (or Divide by 0.027): A Surprisingly Accurate Rule of Thumb for Converting Effect Sizes From Standard Deviations to Percentile Points. Educational Evaluation and Policy Analysis, 0(0). https://doi.org/10.3102/01623737241239677

Other relevant literature

• Abelson, R. P. (1985). A variance explanation paradox: When a little is a lot. In Psychological Bulletin (Vol. 97, Issue 1, pp. 129–133). https://doi.org/10.1037/0033-2909.97.1.129 PDF
• Dick, A. S., Watts, A. L., Heeringa, S. G., Lopez, D. A., Bartsch, H., Fan, C. C., Palmer, C. E., Reuter, C., Marshall, A. T., Haist, F., Hawes, S., Nichols, T., Barch, D. M., Jernigan, T. L., Garavan, H., Grant, S., Pariyadath, V., Hoffman, E., Neale, M., … Thompson, W. (2020). Meaningful Effects in the Adolescent Brain Cognitive Development Study (p. 2020.09.01.276451). https://doi.org/10.1101/2020.09.01.276451 PDF

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