Within Study Practice
Why rereading feels easier but works less well
Rereading can feel fluent in the moment, but self-testing usually produces stronger delayed recall.
On this page
- Why immediate fluency can mislead learners
- What delayed recall shows about self testing
- How students can replace passive review with active recall
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Introduction
A common study myth is that the best way to remember information is simply to read it again and again. Rereading often feels effective because each pass through the material becomes easier. However, research on long-term memory consistently shows that self-testing—also called retrieval practice—usually produces stronger retention after days, weeks, or months. The difference matters because learners often judge study methods by how fluent they feel in the moment rather than by how well they support later recall. Evidence from laboratory and classroom research shows that rereading can improve immediate performance, while actively trying to retrieve information from memory is more likely to produce durable learning. [Sage Journals]journals.sagepub.comSage Journals Test-Enhanced LearningRoediger, Jeffrey D….by HL Roediger III · 2006 · Cited by 4730 — When the final test was given after 5 min, repeated studying improved…
Why immediate fluency can mislead learners
Rereading creates a powerful feeling of familiarity. When learners encounter the same text repeatedly, processing becomes easier. Sentences seem clearer, ideas appear more familiar, and confidence rises. The problem is that familiarity is not the same as being able to recall information later without the material in front of you.
Cognitive psychologists have described this phenomenon as an illusion of competence. Learners often mistake the ease of recognising information during review for genuine mastery. Because rereading feels smooth and successful, it can create overly optimistic judgments about future performance. [bjorklab.psych.ucla.edu]bjorklab.psych.ucla.eduIllusions of Comprehension, Competence, and RememberingThis work shows that past experience influences people's interpretation or what co… ResearchGate This helps explain why rereading remains so popular. It is comfortable [researchgate.net]researchgate.netResearchGateIllusions of competence during study can be remedied by…PDF | Monitoring one's knowledge during study is susceptible to a…, requires relatively little mental effort, and provides immediate feedback in the form of recognition. Self-testing produces the opposite experience. Attempting to recall information from memory can feel difficult, slow, and error-prone. Yet that apparent struggle is often a sign that learning is taking place. [YouTube]youtube.comOvercoming Illusions of Competence, Dr. Elizabeth BjorkDr. Elizabeth Bjork (UCLA) discusses how re-reading can produce a sense of…
A key misconception is that effective learning should feel easy. Research on memory repeatedly shows that techniques creating more effort during study can generate stronger retention later. The challenge of retrieval forces learners to reconstruct knowledge rather than merely encounter it again. [PubMed]pubmed.ncbi.nlm.nih.govmemory tests improves long-term retentionby HL Roediger · 2006 · Cited by 4637 — Taking a memory test not only assesses what one knows, b… [ScienceDirect]sciencedirect.comScienceDirect Testing EffectScienceDirectTesting Effect - an overviewThe testing effect refers most generally to the finding that learning and memory are facilitated…
What delayed recall shows about self-testing
The strongest evidence comes from studies directly comparing rereading with retrieval practice. In influential experiments by Henry Roediger and Jeffrey Karpicke, participants studied prose passages and then either restudied them or practised recalling them from memory. When tested almost immediately, rereading often appeared superior. However, after delays of two days or one week, the retrieval-practice groups remembered substantially more. [Sage Journals]journals.sagepub.comSage Journals Test-Enhanced LearningRoediger, Jeffrey D….by HL Roediger III · 2006 · Cited by 4730 — When the final test was given after 5 min, repeated studying improved… PubMed This pattern has been replicated across many learning situations. Reviews of educational research consistently identify practice testing as o [pubmed.ncbi.nlm.nih.gov]pubmed.ncbi.nlm.nih.govmemory tests improves long-term retentionby HL Roediger · 2006 · Cited by 4637 — Taking a memory test not only assesses what one knows, b… ne of the most reliable study techniques available. Large evidence syntheses have rated practice testing among the highest-utility learning strategies because its benefits appear across different ages, subjects, and educational contexts. [Sage Journals]journals.sagepub.comSage Journals Test-Enhanced LearningRoediger, Jeffrey D….by HL Roediger III · 2006 · Cited by 4730 — When the final test was given after 5 min, repeated studying improved… [PubMed Importantly]pubmed.ncbi.nlm.nih.govmemory tests improves long-term retentionby HL Roediger · 2006 · Cited by 4637 — Taking a memory test not only assesses what one knows, b…, the advantage is usually most visible when memory is tested after a meaningful delay. Researchers have repeatedly found that restudy can look effective in the short term, whereas retrieval practice better protects information from forgetting over time. [PMC]pmc.ncbi.nlm.nih.govPMCThe Direct Testing Effect Is Pervasive in Action MemoryDirect Testing Effect Is Pervasive in Action Memory - PMCby V Kubik · 2018 · Cited by 19 — In addition, there was evidence for a testing… ResearchGate The pattern is so consistent that it has become known as the testing effect: the act of retrieving information strengthens future access to t [researchgate.net]researchgate.netResearchGateIllusions of competence during study can be remedied by…PDF | Monitoring one's knowledge during study is susceptible to a… hat information. Tests are not merely measurement tools; they can also be learning events. [PubMed]pubmed.ncbi.nlm.nih.govmemory tests improves long-term retentionby HL Roediger · 2006 · Cited by 4637 — Taking a memory test not only assesses what one knows, b… [ScienceDirect]sciencedirect.comInvestigating the testing effect: Retrieval as a characteristic…by CL Bae · 2019 · Cited by 103 — Roediger and Karpicke (2006a) also s…
Why retrieval changes memory more effectively than rereading
The central mechanism is that retrieval requires learners to bring information to mind without relying on the original source. This process appears to strengthen memory representations and improve the ability to access them later. Each successful retrieval acts as additional practice in finding and reconstructing the knowledge. [ScienceDirect]sciencedirect.comScienceDirect Testing EffectScienceDirectTesting Effect - an overviewThe testing effect refers most generally to the finding that learning and memory are facilitated… PubMed Retrieval also provides more accurate feedback about what is actually known. When students reread notes [pubmed.ncbi.nlm.nih.gov]pubmed.ncbi.nlm.nih.govmemory tests improves long-term retentionby HL Roediger · 2006 · Cited by 4637 — Taking a memory test not only assesses what one knows, b…, gaps in understanding can remain hidden because the answers are visible. During self-testing, those gaps become obvious. Learners discover which concepts are weak, which facts have been forgotten, and which topics require further study. [psychnet.wustl.edu]psychnet.wustl.eduing rereading) they may fall prey to illusions of competence and believe they… [EBEA]ebea.org.ukFour Research-Informed Tips for Improving Learning Recallby L Out — These informal tests are much more effective revision strategies than…
Another important feature is that retrieval strengthens resistance to forgetting. Studies comparing restudy and testing frequently show that information acquired through retrieval declines more slowly over time. In practical terms, learners may remember less immediately after a difficult retrieval session, yet retain more after several days or weeks. [Gwern]gwern.netGwernTaking Memory Tests Improves Long-Term RetentionThis surprising result indicates that taking an initial recall test prevented forget… [PMC]pmc.ncbi.nlm.nih.govPMCThe Direct Testing Effect Is Pervasive in Action MemoryDirect Testing Effect Is Pervasive in Action Memory - PMCby V Kubik · 2018 · Cited by 19 — In addition, there was evidence for a testing…
How students can replace passive review with active recall
The evidence does not mean rereading is completely useless. An initial reading is necessary to understand new material, and occasional review can help refresh context. The misconception is that repeated rereading alone is the best route to lasting memory. Once material has been learned at a basic level, active recall generally provides greater returns. [Structural Learning]structural-learning.comStructural LearningRobert Bjork: A Teacher's Guide to Desirable Difficulties19 Feb 2026 — The problem is when re-reading replaces retriev…
Practical alternatives include:
- Closing notes and writing down everything remembered about a topic.
- Using flashcards that require generating answers before checking them.
- Answering end-of-chapter questions without looking at the text.
- Explaining a concept aloud from memory.
- Taking low-stakes practice quizzes.
- Creating brief summaries from memory and then comparing them with the source material. [American Federation of Teachers]aft.orgAmerican Federation of TeachersStrengthening the Student Toolboxby J Dunlosky · Cited by 268 — Practice testing: self-testing or taking p… [My College]my.chartered.collegeThis is known as the testing effect.Read moreMy CollegeTesting and spacing: Effective learning strategies for the…Such retrieval has repeatedly been shown to be more beneficial th…
The critical feature is not the format but the retrieval attempt. A flashcard, quiz, or verbal explanation works because it requires the learner to reconstruct knowledge rather than merely recognise it.
The myth versus the evidence
The enduring myth is that learning improves simply through repeated exposure. The evidence paints a different picture. Rereading often creates confidence because information feels familiar, but familiarity can disguise weak memory. Self-testing may feel harder and reveal mistakes, yet those very retrieval attempts are what strengthen long-term retention. Across decades of research, the balance of evidence shows that when the goal is remembering information later rather than recognising it now, active retrieval generally outperforms passive rereading. [frontiersin.org]frontiersin.org2013a), and is based on 242 studies… [Sage Journals]journals.sagepub.comSage Journals Test-Enhanced LearningRoediger, Jeffrey D….by HL Roediger III · 2006 · Cited by 4730 — When the final test was given after 5 min, repeated studying improved… [PubMed]pubmed.ncbi.nlm.nih.govmemory tests improves long-term retentionby HL Roediger · 2006 · Cited by 4637 — Taking a memory test not only assesses what one knows, b…
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Endnotes
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Link: https://bjorklab.psych.ucla.edu/wp-content/uploads/sites/13/2016/07/LJacoby_RBjork_CKelley_1994.pdfSource snippet
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Source: researchgate.net
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Source: psychnet.wustl.edu
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ScienceDirectTesting Effect - an overviewThe testing effect refers most generally to the finding that learning and memory are facilitated...
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Source: pmc.ncbi.nlm.nih.gov
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Retrieval benefits are highly robust and most commonly found after a delay between practice...Read more...
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Insights from...16 Sept 2014 — Retrieving information from memory improves recall accuracy more than continued studying, but this testin...
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Source: pmc.ncbi.nlm.nih.gov
Title: PMCThe Direct Testing Effect Is Pervasive in Action Memory
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Four Research-Informed Tips for Improving Learning Recallby L Out — These informal tests are much more effective revision strategies than...
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Source: structural-learning.com
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Structural LearningThe Testing Effect: Why Retrieval Practice Works20 May 2026 — Research shows retrieving info aids learning more than r...
Published: May 2026
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retrieval practice in real-life primary school vocabulary lessons.Read more...
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Source: structural-learning.com
Title: desirable difficulties
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Bjork's 5 Principles for Teachers29 Aug 2025 — The testing effect shows that retrieval practice strengthens memory far more effectively t...
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Source: structural-learning.com
Title: retrieval practice a teachers guide
Link: https://www.structural-learning.com/post/retrieval-practice-a-teachers-guideSource snippet
26 ready-to-use activities backed by cognitive science research for primary and...
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Source: sciencedirect.com
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Effects of retrieval practice on retention and application...by D Corral · 2025 · Cited by 5 — Retrieval produced better performance tha...
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Supporting the self-regulated use of retrieval practiceby M Broeren · 2021 · Cited by 30 — Although retrieval practice is a highly effect...
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Perceiving effort as poor learning: The misinterpreted...by A Kirk-Johnson · 2019 · Cited by 203 — Retrieval practice typically leads to...
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The Testing Effect & Retrieval practice: the number 1 study hackButler, A. C., Karpicke, J. D., & Roediger III, H. L. (2008).... Henry R...
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The Science of Learning: Why Rereading is Ineffective...
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Why You Should Stop Rereading and Start Testing Yourself...
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Stop Rereading Your Notes: Use Retrieval Practice Instead...
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Title: Stop Rereading Your Notes: Use Retrieval Practice Instead
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Active Recall vs. Rereading: Understanding the Evidence...
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Source: youtube.com
Title: Active Recall vs. Rereading: Understanding the Evidence
Link: https://www.youtube.com/watch?v=mD07yG-hW_Q -
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Title: Sage Journals Test-Enhanced Learning
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Roediger, Jeffrey D....by HL Roediger III · 2006 · Cited by 4730 — When the final test was given after 5 min, repeated studying improved...
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Source: pubmed.ncbi.nlm.nih.gov
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memory tests improves long-term retentionby HL Roediger · 2006 · Cited by 4637 — Taking a memory test not only assesses what one knows, b...
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Source: pubmed.ncbi.nlm.nih.gov
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A powerful way of improving one's memory for material is to be tested on that material. Tests enhance later retention more than additiona...
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Our results (Roediger & Karpicke, 2006) demonstrate the powerful effect testing has in enhancing later retention, and...Read more...
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Sage JournalsImproving Students' Learning With Effective...by J Dunlosky · 2013 · Cited by 5789 — Practice testing and distributed pract...
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Students' Learning With Effective...Practice testing and distributed practice received high utility assessments because they benefit lea...
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Title: This is known as the testing effect.Read more
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My CollegeTesting and spacing: Effective learning strategies for the...Such retrieval has repeatedly been shown to be more beneficial th...
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American Federation of TeachersStrengthening the Student Toolboxby J Dunlosky · Cited by 268 — Practice testing: self-testing or taking p...
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research on retrieval practice translate into...12 Sept 2018 — Retrieval practice is strongly supported by over 100 years of research an...
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practice enhances new learning: the forward effect of...by B Pastötter · 2014 · Cited by 275 — This work was largely on the backward eff...
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learning using flashcards: spacing is more effective than...Read more...
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the relationship between retrieval practice, self...by AN Frankenstein · 2022 · Cited by 36 — Across two experiments, we examine the pot...
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Title: Testing effect
Link: https://en.wikipedia.org/wiki/Testing_effectSource snippet
Testing effectThe testing effect suggests long-term memory is increased when part of the learning period is devoted to retrieving info...
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Source: learnlog.app
Title: practice testing
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(2013) rated practice testing "high utility" in the largest review of study techniques ever published, in Psychological...Read more...
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| English meaning - Cambridge Dictionary5 days ago — the act of doing something regularly or repeatedly to improve your skill at doing it...
Additional References
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L., Bjork, R. A., & Kelley, C. M. (1994). Illusions of comprehension, competence, and remembering. In D. Druckman & R. A. Bjork (Eds.), L...
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utility of distributed practice in curriculum design and...31 Jan 2022 — Distributed practice, a learning strategy that can inform curri...
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Students who took practice tests remembered 50% more than students who studied repeatedly (Roediger & Karpicke, 2006).Read more...
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provide some pointers about how to use two particularly potent techniques—practice testing and...Read more...
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Title: a better way to study through self testing and distributed practice
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cramming, Dunlosky and his fellow authors write that “cramming is better than not studying at all,” but if you...Read more...
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Study of Learning Techniques for Effective LearningAs additional research is developed, these techniques may be shown to have high utility...
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3-Star learning experiencesDemystifying desirable difficulties 1: What they are21 Feb 2023 — As Bjork explains in this video, they're des...
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I Should Have Studied. Part 1: Retrieval Practice21 Sept 2018 — In their review of learning strategies, Dunlosky et al. (2013) concluded...
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