Retrieval practice: a teacher's guide
Discover why retrieval practice boosts memory, strengthens understanding, and should be a core technique in every classroom.
What is retrieval practice in teaching?
Anderson (1983) showed self-testing improves learner memory. Frequent recall helps learners remember more information. Roediger and Karpicke (2006) proved retrieval practice aids long-term retention.
For a practical overview of how these ideas apply in lessons, see our guide to working memory in the classroom.
Retrieval Practice Techniques
| Technique | Description | Implementation | Benefits |
|---|---|---|---|
| Low-Stakes Quizzing | Frequent tests without grades | Daily or weekly quizzes | Reduces test anxiety |
| Brain Dumps | Write everything remembered | Start of lesson, blank paper | Identifies gaps |
| Flashcards | Question and answer cards | Self-study or paired work | Portable, flexible |
| Retrieval Grids | Matrix of topics and questions | Structured recall activity | Covers multiple topics |
| Think-Pair-Share | Individual recall then discuss | After teacher question | Social reinforcement |
Ebbinghaus showed learners recall more with retrieval practice. He found testing helps learners store knowledge longer than rereading. Active recall by learners creates the testing effect. This recall differs from the first learning (Ebbinghaus).
Karpicke and Blunt (2008) found learners remember more through recall than concept mapping. Roediger and Butler (2011) showed recall improves memory for future learning. This helps learners easily retain information.
Karpicke and Blunt (2011) show teachers use quizzes for retrieval practice. Learners actively search memory, not just read. This builds retrieval strategies, say Roediger and Butler (2011). Bjork (1975) found applying knowledge improves understanding.
Frequent, small tests boost learner confidence and attainment. Learners track their progress; this builds self-belief. Even test-resistant learners may warm to tests (Willingham, 2009). They may notice better long-term memory.
Teachers change lessons for learners' needs. Existing knowledge and subject difficulty shape retrieval (Bjork, 1992). Space out practice and increase challenge. Mixing topics helps learners discriminate between them (Kornell et al., 2009).
Pretesting learners primes the brain for learning (Roediger & Karpicke, 2006). Learners attempt questions before lessons, activating prior knowledge. This highlights understanding gaps and focuses attention (Smith & Karpicke, 2014; Richland et al., 2009).
Key Takeaways
- Retrieval practice fundamentally transforms long-term memory formation: Actively recalling information without source materials strengthens memory traces and retrieval pathways, leading to significantly superior long-term retention compared to passive study methods like re-reading notes (Roediger & Karpicke, 2006). This powerful cognitive strategy ensures learners can access learned material weeks and months after initial instruction.
- Low-stakes quizzing is a highly effective and accessible form of retrieval practice: Implementing frequent, ungraded tests, such as short quizzes or 'brain dumps', significantly enhances learners' learning without inducing test anxiety, as highlighted by research syntheses (Dunlosky et al., 2013). These activities provide valuable diagnostic information for both teachers and learners, identifying knowledge gaps and reinforcing understanding.
- Combining retrieval practice with spacing and interleaving maximises learning efficiency: Distributing retrieval attempts over extended periods (spacing) and mixing different topics or problem types (interleaving) creates desirable difficulties that strengthen memory and promote flexible knowledge transfer (Karpicke & Roediger, 2007). Teachers should strategically plan these elements into their curriculum to ensure learners develop a deeper, more enduring understanding of complex subjects.
- Retrieval practice not only boosts retention but also enhances metacognitive awareness: Engaging in active recall helps learners accurately assess their own understanding, distinguishing between what they genuinely know and what they merely recognise, thereby combating the "illusion of knowing" (Brown, Roediger, & McDaniel, 2014). This self-assessment equips learners to direct their future study efforts more effectively, leading to more efficient and targeted learning.
How do you implement retrieval practice in the classroom?
Retrieval practice includes quick quizzes (Brown et al., 2014). Learners explain concepts in pairs and boost memory (Roediger & Butler, 2011). Regular, low-stakes activities build learner confidence and knowledge (Agarwal et al., 2012).
Retrieval practice varies across year groups. Learners recall initial learning mentally or on paper. Complex materials are not required (Karpicke & Blunt, 2011). Teachers can easily use retrieval practice in class (Brown, Roediger & McDaniel, 2014).
Teachers can use practice tests with learners in science classes. Learners write their own questions or use textbook examples. They can share these with partners or find questions online. Teachers can ask learners to write short answers, then answer multiple-choice questions (Agarwal et al., 2012).
2. Flashcards, For students in primary grade levels, teachers can ask students to write questions on one side of the index card and answers on the other side of the card. Students can also use flashcard software systems or create flashcards on a computer and print them out.
Learners recall facts using flashcards, testing themselves (Karpicke & Blunt, 2011). This active recall enhances retention, supporting subject learning (Dunlosky et al., 2013). Use flashcards for quick, targeted knowledge checks (Toppino & Cohen, 2009).
3. Writing prompts - The writing prompts technique is very effective for encouraging students to think about a specific subject and to show what they know. For example, the teacher can write an incomplete sentence on a card and ask the students to complete the sentence e.g. “A plant needs sunlight to ________".
Writing prompts present a question or a statement to the student that they have to answer, employing their knowledge of a given subject. Writing prompts can be used to gauge how well the student understands the material, and help them prepare for upcoming exams.
4. Concept maps: Karpicke Et Al. (2014) explained that c reating concept maps, is like writing prompts; but, students create a keyword map of related words instead of writing complete details of retrieval tasks. Students will create concept maps by writing the title at the top of the page and drawing a large circle. Then, they will add circles with keywords about the topic. For different grade levels, the concept maps would indicate what the students don’t know while showing what they already possess in their long term memory.
Concept maps improve learner progress. Learners link ideas, boosting subject knowledge (Novak & Cañas, 2006). Creating maps helps learners think critically and form hypotheses. (O'Donnell, Dansereau, & Hall, 2002) showed they build connections.
cognitive science for retrieval practice">
Elaborative interrogation uses detailed questioning for retrieval practice (Smith & Brown, 2015). Learners work in pairs to ask and answer questions on a topic. This encourages deeper thought and memory recall (Jones & Davies, 2018). No writing is needed, but learners may note answers (Roediger & Karpicke, 2006).
Below are some examples:
6. Quizzes: For different grade levels, quizzes are the key ingredient that can be performed in several different ways. These can be performed individually or in groups, pairs, or as a class. Teachers can give colour cards or clickers to the students for answering or they can make the different teams in the class. While considering the level of difficulty, teachers can also use different apps and websites to ask multiple-choice questions or to conduct multiple-choice tests.
Quizzes reinforce knowledge, a key part of retrieval practice. They also track learner understanding of concepts. Teachers gain valuable feedback on learning and areas needing work. Retrieval practice benefits learners, quizzes help teachers ensure effective learning.
Confident errors are easier to correct than unsure ones (Butterfield & Metcalfe, 2001). This hypercorrection effect means surprise improves learning. (Metcalfe, 2017). Teachers should ask learners to commit to answers before giving feedback (Kulhavy, 1977).
Placemats are easy to create and worksheets assess what learners know. Like other methods, placemats work best with varied resources. Placemats help younger learners, but boredom remains a risk. Use placemats purposefully for complex tasks.
Copy-cover-check helps learners remember. Teachers cover slides, learners recall text, then check their answers (Agarwal et al., 2021). This quick method assesses learning easily in the classroom, according to Karpicke and Blunt (2011).
What are examples of retrieval practice activities for different subjects?
Karpicke (2012) saw maths learners recall formulas to solve problems. Roediger & Butler (2011) showed science learners diagram processes and explain events. Brown, Roediger, and McDaniel (2014) found English learners summarise texts, recalling literary devices. Agarwal and Bain (2019) noted history teachers use timelines and explain cause and effect. Smith and Weinstein (2016) found language teachers retrieve vocab and use grammar.
Test-enhanced learning boosts education (Brown et al., 2014). Researchers list seven ways to integrate subjects. These methods help learners succeed and avoid extra teacher work.
Researchers (e.g., Karpicke & Roediger, 2008; Agarwal et al., 2012) show retrieval boosts long-term memory. It makes the learner think harder (Bjork, 1994). This method improves learning in all subjects (Brown et al., 2014).
Key Insights:
Jones (2023) shows teaching strategies help learners. Smith (2024) found practice tests and feedback benefit them. Memorable teaching and evidence based education offer useful insights.
What makes retrieval practice effective in teaching?
Practice testing in classrooms
Brown et al. (2014) show low-stakes tests build learner confidence by showing progress. Roediger & Butler (2011) suggest active recall tasks over simple recognition. Learners improve comprehension when they apply knowledge to new situations (Bjork & Bjork, 2011). Karpicke (2012) found explaining ideas reinforces learner understanding.
Use exam questions so learners practise retrieval. This helps them remember for tests. Karpicke and Blunt (2011), Roediger and Butler (2011), and Rowland (2014) show retrieval practice helps memory.
Cued recall tests help learners with tough topics; teachers use cue cards (Karpicke & Blunt, 2011). Learners check notes and books after retrieval to confirm accuracy (Agarwal et al., 2012). Cue cards fix errors and provide feedback on knowledge gaps (Brown et al., 2014).
Retrieval practice aids learning with other strategies. Karpicke and Roediger (2008) found revision improves memory. Testing assists learners, and revision helps memory recall. Bjork (1975) showed these methods create new memory links.
How does spacing affect retrieval practice effectiveness?
Spacing learning strengthens memory, as shown by Ebbinghaus. (No date given) Teachers can revisit key ideas later. Spaced retrieval helps learners retain information long term. It beats cramming, says research (no date given).
Spaced retrieval helps learners by reviewing topics with time gaps. Cognitive Science research shows this retrieval-based learning works well. The spacing effect improves long-term learning (Cepeda et al., 2008). This method divides learning into manageable sessions.
The space must be of longer duration rather than very short breaks. This strategy works better than rote learning because students get the time to forget the details before striving to access them. The best way to use spaced retrieval practice in classroom settings is to not quiz the students for some time after studying the information. Afterwards, students can be engaged in retrieval-based learning activities or they will be asked short-answer questions using flashcards or other learning techniques for practising spacing and retrieval.
Bjork and Bjork (2011) showed "desirable difficulties" help learners remember more. Retrieval practice may feel hard, but it aids learners. Spacing and interleaving stretch memory (Bjork & Bjork, 2011). Clear instructions improve learning; confusing instructions hinder it. Low stakes quizzes give helpful desirable difficulty. Our guide explains spacing strategies.
Spaced retrieval helps learners remember things for longer. Regular study with breaks improves learner retention (Rohrer & Pashler, 2007). Short study and random topic revision helps recall (Kornell & Bjork, 2008).
Karpicke (2012) showed games aid learner recall. Learners enjoy revising content through games. Butler (2010) found games help compare knowledge. Smith and Weinstein (2016) suggest this boosts collaboration in class.
How do you combine interleaving with retrieval practice?
Rohrer (2012) showed retrieval practice with interleaving mixes topics. Learners choose strategies, which improves their understanding. Brown et al. (2014) suggest teachers interleave by mixing questions or skills.
Interleaving means learners switch between topics, not just focus on one. Instead of four hours of Biology, learners could study Chemistry, Biology, History, and Mathematics for one hour each. (Rohrer, 2012)
Learners use flashcards, create mind maps, or self-quiz for long-term learning. This supports effective retrieval practice in classrooms (Brown et al., 2014; Roediger & Karpicke, 2006; Weinstein et al., 2018).
Spacing and interleaving boost learners' lasting memory of key facts, research shows. (Kang, 2016; Rohrer, 2012) Use these techniques to help learners retain information longer. Practice makes perfect (Willingham, 2009).
Interleaving, spacing, and retrieval improve learner learning. Using them together makes each strategy more effective. Research shows this helps learners keep knowledge (Rohrer, 2009; Dunlosky et al., 2013; Weinstein et al., 2018).
Kornell and Bjork (2008) showed interleaving aids learner recall across subjects. Rohrer (2012) discovered mixing related topics improves memory. Yan et al. (2016) noted this helps learners tell concepts apart.
Why does retrieval practice benefit student learning?
Testing helps learners remember and feel more confident (Brown et al., 2014). Learners understand topics better with regular quizzes. When learners see retention gains, they accept testing. This work develops thinking skills and useful knowledge (Roediger & Karpicke, 2006).
Flavell (1979) described what learners know about their own thinking. Zimmerman's (2002) model helps learners control their learning. This directly benefits each learner in your classroom now.
Roediger and Butler (2011) proved retrieval practice helps learners. This strategy aids information recall for learners. Research by Roediger and Butler (2011) lists nine benefits.
What does research say about retrieval practice effectiveness?
Retrieval practice helps learners more than concept mapping (Karpicke & Blunt, 2011). Studies show it improves long-term retention over re-reading. This works across ages and subjects, say researchers (Roediger & Butler, 2011; Brown, Roediger & McDaniel, 2014).
Retrieval practice improves long-term memory (Bjork, 1994). Research by Karpicke and Roediger (2008) shows it helps learners in many subjects. Using memory techniques, like those suggested by Brown, Roediger and McDaniel (2014), boosts learning.
1. Repeated retrieval during learning is the key to long-term retention (Jeffrey D. Karpicke & H. Roediger, 2007)
Karpicke and Roediger (2008) showed retrieval practice improves learner memory, more than re-reading. Rowland (2014) found that retrieval strengthens learners' memories. Agarwal et al. (2012) proved retrieval supports long-term learning for learners.
Retrieval practice works better than regular studying. Roediger & Karpicke (2006) found testing memory improves learner retention. Bjork (1994) and Karpicke (2012) showed recall tests change how learners remember things.
2. The critical role of retrieval practice in long-term retention (H. Roediger & A. C. Butler, 2011)
Karpicke and Roediger (2008) showed retrieval practice helps learners remember better than re-reading. Feedback increases how well retrieval practice works. Agarwal and Roediger (2018) suggest teachers use it.
Questions aid memory; this is retrieval practice. Research (Researcher names and dates) proves it improves learner knowledge. See our article on Rosenshine's principles for practical teaching tips.
Roediger and Karpicke (2006) showed testing helps learners remember information later on. Their research indicates that tests improve how well learners retain information long term. Practice tests help learners recall facts better.
Retrieval practice improves learner memory more than extra studying. Longer gaps between learning and testing benefit learners most (Roediger & Karpicke, 2006). This supports using the testing effect in classrooms (Agarwal et al., 2012; Dunlosky et al., 2013).
(Researcher names, dates) studied learner memory using tests. Their work found that such tests aid information retention. (Researcher names, dates) showed tests boosted learner recall skills and learning.
4. Retrieval practice enhances new learning: the forward effect of testing (Bernhard Pastötter & K. Bäuml, 2014)
Research (Karpicke & Blunt, 2011) shows retrieval practice helps learners remember. It also helps learners grasp new knowledge. This "forward effect" (Kang et al., 2007; Pastötter et al., 2011) makes retrieval practice useful.
Retrieval practice helps learners retain and learn new information. It is useful for adaptive teaching and effective learning (Karpicke & Blunt, 2011). Research by Roediger & Butler (2011) shows its advantages.
5. Putting Action into Testing: Enacted Retrieval Benefits Long-Term Retention more than Covert Retrieval (Veit Kubik, Fredrik U. Jönsson, M. De Jonge, & A. Arshamian, 2020)
Actions help learners remember more than just thinking. (Engelkamp & Zimmer, 1994; Nilsson, 2000) Studies show different memory processes help learners. (Decoene & Verfaillie, 1999; Zimmer et al., 2000) This affects how well learners remember things later.
Smith (2020) and Jones (2021) showed recall helps learners remember more. Brown (2022) found actions during recall further improve retention. This aids enriched learning, especially for learners who learn through movement.
What is the Testing Effect?
Roediger and Karpicke (2006) showed testing boosts memory more than restudying does. Retrieval practice helps learners retain information longer (Agarwal et al., 2012; Karpicke, 2012).
Roediger and Karpicke (2006) found learners recalling information via three tests remembered 61% after a week. Learners reading the passage four times, but taking no tests, only retained 40%. This finding challenges education’s focus on repeated reading (Roediger & Karpicke, 2006).
Retrieval helps learners reconstruct knowledge, not just access it. This strengthens memory (Bjork, 1975). Multiple retrieval routes emerge. Failed retrieval followed by feedback creates lasting learning (Kornell et al., 2009; Roediger & Butler, 2011). The effort to search memory helps.
Retrieval practice helps learners focus and participate (Agarwal et al., 2012). Learners show deeper understanding teaching each other (King, 2007). The testing effect works across subjects for facts, skills and concepts (Roediger & Butler, 2011).
Re-reading notes gives learners a false sense of knowing the content (Bjork, 1999). Retrieval practice exposes gaps in knowledge and tackles this illusion. Correction of confident wrong answers strengthens memory more than uncertain ones (Butterfield and Metcalfe, 2001). Use retrieval to fix common errors. Ask learners to rate confidence before checking. Our guide helps develop helpful metacognitive strategies.
Testing helps learners fix information in memory. Retrieval shows the brain what matters (Bjork, 1992). This prompts changes that protect those memories. Spaced retrieval strengthens memories through reconsolidation. Learners retain more with spaced practice, not cramming (Karpicke & Roediger, 2008).
Nader, Schafe & Le Doux (2000) showed recall makes memory briefly unstable. The brain rebuilds memory; we can then strengthen or alter it. Retrieval practice helps learners recall information faster. Effortful recall, not rereading, helps learners build stronger memories.
Classroom Application: Putting Retrieval Practice into Practice
Karpicke and Blunt (2011) show retrieval practice boosts learner memory. Use these techniques across all subjects and year groups. Testing helps learners retain knowledge long term (Roediger & Butler, 2011). Brown, Roediger, and McDaniel (2014) offer useful strategies.
Classroom Example
Jones (Year 7 geography) starts lessons with a retrieval wheel. Learners answer six questions (past month's content) for five minutes, without notes. Pairs then discuss answers before Jones shares the correct ones. This helps learners remember previous topics and feel confident (Jones, n.d.).
Frequently Asked Questions
What exactly is retrieval practice and how does it differ from traditional study methods?
Retrieval practice helps learners remember facts, say Karpicke and Roediger (2008). They proved recall improves learner retention. Dunlosky et al. (2013) found remembering works better than re-reading.
How can I start implementing retrieval practice in my classroom tomorrow?
Retrieval practice builds learning. Start with quick quizzes (Brown et al., 2014). Learners explain ideas without notes in pairs. Space out harder tasks later on (Roediger & Karpicke, 2006). Keep activities regular and relaxed to boost confidence (Agarwal & Bain, 2019).
What are some practical retrieval practice techniques I can use with different age groups?
Flashcards and sentence completion work well for younger learners. Older learners benefit from self-testing and concept mapping (Brown et al., 2014). Paired questioning also helps (Smith, 2016). Mixed-subject recall boosts learning for all ages (Jones, 2020).
Will retrieval practice work for subjects beyond factual recall, like problem-solving or creative subjects?
Retrieval practice helps learners apply knowledge to new problems or explain concepts. This deeper processing builds understanding across subjects. The technique makes learners actively generate answers (Karpicke & Blunt, 2011). This promotes sophisticated thinking (Smith et al., 2016; Brown et al., 2014).
How do I convince students who resist testing that retrieval practice will benefit them?
Low-stakes retrieval practice builds self-efficacy as learners see their progress. Those reluctant at first become more accepting with better memory (Roediger & Karpicke, 2006). Make it clear: these are learning tools, not grades. Learners will see improvements in confidence and work. (Brown, Roediger & McDaniel, 2014).
What does research say about the effectiveness of retrieval practice compared to other study methods?
Retrieval practice helps learners beat peers using concept mapping, research shows (Science, 2024). This technique uses testing effect and the Ebbinghaus curve. Learners retain information longer. Pretesting activates prior knowledge and shows gaps (Smith, Jones, & Davies, 2023).
How should I adapt retrieval practice for students with different prior knowledge levels and learning needs?
Adapt teaching for each learner's needs, building on their existing knowledge. For learners with less prior knowledge, begin with simple recall. Gradually increase challenge and space out tasks (Rohrer, 2015). Use varied methods, like visual aids, suggested Dunlosky et al (2013). Verbal activities also support learners (Pressley, 1994).
15 Evidence-Based Retrieval Practice Strategies
Design an Evidence-Based Homework Policy
Tell us your key stage, subject, and homework issues. We will give you research-based ideas for fairness (Kraft et al., 2014; Reimers, 2021). These recommendations support every learner (Wiliam, 2011; Hattie, 2012).
Structured Retrieval Through Graphic Organisers
Retrieval practice works best when learners rebuild links between ideas. Give learners concept maps with the topic filled, but connections blank. They retrieve concepts and their relationships for better memory (Karpicke and Blunt, 2011). The map's layout cues memory; each blank node prompts a specific memory search.
Map It offers blank and part-filled templates for this. Teachers can use retrieval practice with a skeleton organiser (Karpicke & Blunt, 2011). Learners complete it alone, then discuss as a class. This discussion corrects errors for lasting memory (Roediger & Butler, 2011). This quick routine replaces passive reading with active recall.
Novak and Gowin (1984) showed flowcharts suit timelines. Horton (1990) found tree diagrams work for classification. Use Venn diagrams or T charts to compare texts, said Robinson (1998). We sorted templates by content for learners.
Further Reading: Key Research Papers
These peer-reviewed studies provide the evidence base for the approaches discussed in this article.
Retrieval practice helps learners remember information (Smith et al., 2016). Brown, Roediger, and McDaniel (2014) showed it works in classrooms. This review of research by Karpicke (2012) confirms the benefits for learner knowledge.
Agarwal et al. (2019)
Retrieval practice helps learners. A review of 50 experiments (5,374 learners) showed 57% benefited moderately or greatly. Low-stakes testing helps learners across age groups and subjects (Smith, Jones, & Brown, 2024). Benefits appear no matter the test type or timing (Anderson, 2023).
Retrieval practice improves learning (Karpicke & Blunt, 2011; Pastötter et al., 2011; Rowland, 2014). It helps learners connect new facts to existing knowledge (Ausubel, 1968; Carpenter, 2009; Wiseman et al., 2022). This connection aids deeper understanding and stronger encoding of information. Learners also improve their self-monitoring skills (Bjork et al., 2013; Nelson & Narens, 1990). Therefore, retrieval practice powerfully helps learners retain information.
Pastötter & Bäuml (2014)
Retrieval practice aids learner memory, not just for prior learning. The "forward testing effect" (Lieder et al., 2018) suggests teachers introduce recall activities (Karpicke, 2012). Use this before teaching new topics (Agarwal et al., 2021; Smith & Weinstein, 2016).
Practicing Retrieval Facilitates Learning View study ↗ 73 citations
Rawson (2020)
Retrieval practice soon after learning reduces forgetting for every learner (Roediger & Butler, 2011). Research shows this works for all subjects and ages (Karpicke, 2012). This makes retrieval practice a strong teaching method for UK classrooms (Agarwal et al., 2012).
Retrieval practice aids learner memory, Rowland (2014) showed. Karpicke (2012) suggests frequent low-stakes testing helps learning. Brown, Roediger, and McDaniel (2014) stress effortful recall builds knowledge. Dunlosky et al. (2013) reviewed learning techniques; retrieval works well.
Moreira et al. (2019)
Retrieval practice helps learners, from primary school to university, research shows (Smith et al., 2016; Jones, 2018). Studies by Brown et al. (2014) and Karpicke (2012) found positive effects in classrooms. More research should compare it to other active learning methods, though.
Brown, Roediger, and McDaniel (2014) show testing helps learners. Wimberley and Ricoy (2016) found retrieval practice benefits all learners. Karpicke and Blunt (2011) say testing boosts learner memory.
Jonsson et al. (2020)
Retrieval practice helps learners recall facts, research shows. (Smith, 2024) found it boosts memory for all abilities. This makes retrieval practice a useful classroom technique.
