Evidence for Exploring on your own #

Every substantive claim on the Exploring on your own page is checked against current research. Here is each claim, how well today’s evidence supports it, and the sources. The full, de-duplicated source list lives on the references page.

Supported · strong evidence — A preference for studying alone is real, but sorting learners into fixed types and matching each one’s instruction to their type has not been shown to improve learning.

Pashler et al.’s review found preferences are measurable but that the ‘meshing’ hypothesis — that matching instruction to a learner’s style improves outcomes — lacks the crossover-interaction evidence that would validate it; this remains the consensus position in 2026 across multiple subsequent reviews.

Sources: Pashler, H., McDaniel, M., Rohrer, D., & Bjork, R. (2008), Learning styles: Concepts and evidence, Psychological Science in the Public Interest 9(3), 105-119 — https://doi.org/10.1111/j.1539-6053.2009.01038.x · Nancekivell, S. E., Shah, P., & Gelman, S. A. (2020), Maybe they’re born with it, or maybe it’s experience: Toward a deeper understanding of the learning style myth, Journal of Educational Psychology 112(2), 221-235 · full reference ›

Supported · strong evidence — Working a topic across more than one mode (sketching it, summarising it, laying it out) beats reading it again, because the mind handles words and pictures through partly separate channels.

The multimedia principle — that people learn more deeply from words and pictures together than from words alone — is supported by a large body of controlled experiments and several meta-analyses; the benefit is general rather than confined to a learner ’type’.

Sources: Mayer, R. E. (2021), Multimedia Learning, 3rd ed. — Cambridge University Press — https://doi.org/10.1017/9781316941355 · Mayer, R. E., & Fiorella, L. (2022), The Cambridge Handbook of Multimedia Learning, 3rd ed. — Cambridge University Press · full reference ›

Supported · strong evidence — The most powerful thing you can do studying alone is to shut the book and try to reproduce the material from memory before checking; this retrieval practice teaches more than re-reading.

The testing effect is one of the most robustly replicated findings in the learning sciences; retrieval practice reliably outperforms restudy on delayed tests across materials and populations, making it especially suited to independent study.

Sources: Roediger, H. L., & Karpicke, J. D. (2006), Test-enhanced learning: Taking memory tests improves long-term retention, Psychological Science 17(3), 249-255 — https://doi.org/10.1111/j.1467-9280.2006.01693.x · Adesope, O. O., Trevisan, D. A., & Sundararajan, N. (2017), Rethinking the use of tests: A meta-analysis of practice testing, Review of Educational Research 87(3), 659-701 · full reference ›

Supported · moderate evidence — Re-reading and highlighting feel like learning but mostly produce familiarity, not durable understanding; self-testing reveals what you actually don’t know.

The fluency illusion — that ease of re-reading is misread as mastery — is well documented, and reviews of study techniques rate re-reading and highlighting as low-utility relative to practice testing; framed here as a practical caution rather than a strong causal claim.

Sources: Roediger, H. L., & Karpicke, J. D. (2006), Test-enhanced learning: Taking memory tests improves long-term retention, Psychological Science 17(3), 249-255 — https://doi.org/10.1111/j.1467-9280.2006.01693.x · Dunlosky, J., Rawson, K. A., Marsh, E. J., Nathan, M. J., & Willingham, D. T. (2013), Improving students’ learning with effective learning techniques, Psychological Science in the Public Interest 14(1), 4-58 · full reference ›

Mixed · moderate evidence — Explaining an idea aloud to yourself as if teaching it exposes the gaps in your understanding and prompts deeper processing.

Self-explanation and learning-by-teaching (including teaching with no audience present) generally improve comprehension by prompting generative processing; effects vary with prompt quality and whether genuine retrieval is involved, so the strong ‘find your gap’ framing is supported but with moderate confidence. Better primary support is the self-explanation literature than Mayer specifically; cited here as the closest assigned source on generative learning.

Sources: Fiorella, L., & Mayer, R. E. (2015), Learning as a Generative Activity: Eight Learning Strategies That Promote Understanding — Cambridge University Press · Bisra, K., Liu, Q., Nesbit, J. C., Salimi, F., & Winne, P. H. (2018), Inducing self-explanation: A meta-analysis, Educational Psychology Review 30, 703-725 · full reference ›

Mixed · weak evidence — Emotional reactions to material influence what you remember, so noticing and recording your responses while studying alone is worthwhile.

There is genuine evidence that emotional arousal and interest modulate attention and memory, but the link is nuanced (arousal can help or hurt depending on type and intensity) and is not Mayer’s focus; this is best treated as a reasonable, motivational study tip rather than a strong empirical claim. The assigned source is a weak fit for this particular point.

Sources: Tyng, C. M., Amin, H. U., Saad, M. N. M., & Malik, A. S. (2017), The influences of emotion on learning and memory, Frontiers in Psychology 8, 1454 — https://doi.org/10.3389/fpsyg.2017.01454 · full reference ›