Rereading is less effective than retrieval practice¶

Claim · All claims
Evidence · 3 studies · q3 experiment and systematic review · i0–i2 · rereading near zero
Currency · newest study 2013 · 1 of 3 entries checked against their sources (automated) · not reviewed by a person

Actively recalling material from memory produces stronger, more durable learning than restudying the same material by rereading it. This is the core of the testing-effect literature: the act of retrieval itself, not the re-exposure to content, drives durable retention.

Subclaims¶

q3 i0 Across experiments with educational texts, rereading produced no reliable benefit over a single reading on comprehension or memory measures. → Callender & McDaniel 2009

q3 i? A systematic review of ten study techniques rated practice testing and distributed practice high utility and rereading low utility, placing rereading among the least effective of the widely used strategies. → Dunlosky et al. 2013

q2 i? Rereading's appeal is that it raises immediate performance and fluency, which is the same mechanism that makes it a poor predictor of delayed retention. → Roediger & Karpicke 2006 (review)

Evidence¶

Callender & McDaniel 2009¶

Callender, A. A., & McDaniel, M. A. (2009). The limited benefits of rereading educational texts. Contemporary Educational Psychology, 34(1), 30–41. doi:10.1016/j.cedpsych.2008.07.001

q3 · i0 · causal · r?

A series of experiments with authentic educational texts rather than word lists, testing rereading against a single reading. Benefits were absent or negligible on the measures that matter for instruction. The authors' framing is the useful one for design: rereading is not harmful, it is close to inert for the time it costs.

Roediger & Karpicke 2006 (review)¶

Roediger, H. L., & Karpicke, J. D. (2006). The power of testing memory: Basic research and implications for educational practice. Perspectives on Psychological Science, 1(3), 181–210. doi:10.1111/j.1745-6916.2006.00012.x

q2 · i? · the abstract prints no effect size; the full text may · review · r?

A narrative review of the testing-effect literature and its educational implications. Relevant here for the mechanism rather than an effect size: rereading increases perceptual fluency and immediate accessibility, both of which learners read as evidence of learning.

Dunlosky et al. 2013¶

Dunlosky, J., Rawson, K. A., Marsh, E. J., Nathan, M. J., & Willingham, D. T. (2013). Improving students' learning with effective learning techniques: Promising directions from cognitive and educational psychology. Psychological Science in the Public Interest, 14(1), 4–58. doi:10.1177/1529100612453266

q3 · i? · the abstract prints no effect size; the full text may · review · r2

A systematic review evaluating ten learning techniques against generalisability, learner characteristics, materials and criterion tasks. Rereading and highlighting received the lowest utility ratings; practice testing and distributed practice the highest. The review is a synthesis rather than a single experiment, so its weight here is breadth of coverage.

Discussion¶

Why rereading underperforms. Rereading creates a sense of fluency and familiarity that learners misinterpret as mastery, while retrieval practice forces effortful reconstruction of memory traces that strengthens them. The contrast is a central finding of the testing-effect literature, though the specific studies supporting this page still need to be added (see Evidence).

Boundary conditions. The advantage of retrieval over rereading depends on conditions: retrieval works best when feedback follows the attempt, when retrieval is spaced rather than massed, and when learners actually succeed at recalling rather than giving up. Repeated failed retrieval without feedback can entrench errors, and very difficult retrieval can impose extraneous demands for novices — see Cognitive Load Theory. Rereading is not useless — it can be appropriate for building initial familiarity with complex or unfamiliar material before retrieval is attempted — but as a standalone study strategy it is consistently outperformed.

Fluency as a misleading cue. Learners overwhelmingly prefer rereading and highlighting because they feel easier, yet this fluency is a poor guide to actual retention. The subjective ease of restudy and the objective durability of retrieval point in opposite directions, which is why strategy training matters: learners will not spontaneously switch to retrieval on their own, and judgments of learning based on fluency systematically miscalibrate study choices.

Design implications. Designers should replace restudy opportunities with low-stakes quizzing, free recall prompts, or flashcard-style practice — see Cognitive load reduction improves learning for the related load considerations. Retrieval demands should be calibrated so learners can succeed with effort, feedback should follow each attempt, and retrieval events should be distributed across time rather than massed into a single session. Where rereading is retained — for example, as a first pass over dense or unfamiliar text — it should be positioned as preparation for retrieval, not a substitute for it.

Learner Variables¶

• Long-Term Memory — outcome: instruction changes it

Related Claims¶

• Retrieval practice improves long-term retention — the general claim this finding bears on, with the studies behind it

• Active learning improves exam performance — active engagement during learning generally outperforms passive exposure, of which rereading is a prime case

• Learner highlighting of text gives a small memory benefit but no reliable comprehension benefit, and evidence on other forms of annotation is not yet recorded here — another generative alternative to passive restudy
• Chunking reduces working memory load — relevant to why retrieval demands are manageable when material is well-organized
• Cognitive load reduction improves learning — the load-management backdrop for choosing between study strategies
• Learners misjudge which learning strategies are effective — related
• Repeatedly recalling a text without feedback or rereading produces the best one-week retention, while repeated studying leads on a final test at the end of the session — related
• Rereading Is A Low Utility Study Strategy — related
• Retrieval practice strengthens memory and produces stronger, more enduring learning — related
• Effortful, fluent-feeling experiences can create an illusion of learning: felt sense of learning is a poor gauge of actual learning — related
• Summarization, highlighting, the keyword mnemonic, imagery for text, and rereading receive low utility assessments — related
• Retrieval practice conditions produced significantly higher cognitive load than rereading — related
• Students in active learning environments learned more but felt they learned less, mistaking mental effort for failure — related
• A math teacher whose students had typically prepared for tests by rereading notes implemented three retrieval-practice strategies after learning that rereading is not effective for long-term retention — related
• Reading comprehension ability predicts monitoring accuracy after a single reading but not after rereading (Experiments 1 and 2) — related
• Neither rereading nor self-explanation changed comprehension test performance itself; effects were specific to monitoring accuracy — related
• The advantage of recitation over rereading is greater the less connected the learning material (Kühn 1914; Gates 1917) — related
• Generative activities improve students' monitoring accuracy but not their actual learning after restudy — related