What is retrieval practice for learning new things?

Contents:

• What is retrieval practice
• How retrieval practice works
• What modern science says about retrieval practice
• What are the limitations of retrieval practice
• How to implement retrieval practice in teaching

Remembering new information is a key issue for educators and researchers in cognitive science. They actively seek out methods that promote long-term retention and study the phenomenon of the forgetting curve. Understanding how and why we forget information allows us to develop strategies that help students better absorb material and retain it in their memory for the long term. Research in this area is aimed at identifying effective approaches that can improve the learning process and increase its effectiveness.

Retrieval practice is based on the idea that regularly retrieving information from memory promotes its better retention. For example, if a teacher asks students to independently recall all the key points covered in the previous lesson before class, rather than simply reminding them of them, this would be an example of effective retrieval practice. This approach activates memory and helps to consolidate knowledge, which in turn improves academic performance.

Let's examine what is known about this practice in the scientific community and among educators.

What is retrieval practice?

The English verb retrieve is translated as "to restore," "to extract," "to find," and "to return." In the context of learning, it refers to the process of searching for and retrieving the necessary information from memory, as well as its restoration. It is important to note that this does not refer to mechanical repetition, which involves simply reading or listening to information, but to active recall, when you independently retrieve knowledge from your memory. This approach promotes deeper assimilation of the material and improves memorization skills.

Retrieval practice can be translated as "retrieval practice" or "restoration practice." Methodologist Mikhail Osipov suggests an alternative translation: "search practice." The loose translation "test-enhanced learning" is also common, emphasizing that this practice is used for learning and retention. However, it is important to note that retrieving information from memory does not always occur through traditional testing. This method promotes long-term retention and active engagement in the learning process, making it a useful tool for students and teachers.

Dr. Pooja Agarwal, a cognitive science researcher and author of Powerful Teaching: Unleash the Science of Learning, raises an important issue in education. She notes that educators often focus on imparting knowledge without considering how students will retrieve and apply that knowledge in practice. Agarwal draws a parallel between academic learning and learning a foreign language or playing a musical instrument, where hands-on practice plays a critical role in the learning process. The concept of retrieval practice is an important tool for improving retention and knowledge acquisition. This technique allows students to actively engage with the material, which significantly improves learning efficiency and promotes long-term retention.

The researcher emphasizes that traditionally, we believe that most learning occurs during the process of acquiring information, such as reading, writing, or taking notes. However, based on the research cited by Dr. Agarwal in her book, it can be argued that a significant portion of learning occurs during the process of retrieving information. This includes recalling facts, discussing them with others, and participating in quizzes and tests. Such active methods contribute to a deeper assimilation of the material and improvement of knowledge.

For example, If you now try to remember which countries participated in the Hundred Years' War or how old Hamlet was, you will be practicing retrieval practice. According to Dr. Agarwal, this method helps improve learning effectiveness. Retrieving information from memory not only helps reinforce knowledge but also develops critical thinking, which is an important aspect of successful learning.

How Retrieval Practice Works

The essence of retrieval practice is the active retrieval of information from memory. The word "practice" emphasizes the importance of working with new information to remember it. Proponents of this approach recommend viewing learning not only as a process of taking notes or notes, but also as a skill that needs to be developed and practiced. This approach promotes deeper assimilation of the material and improves long-term memory. Regular use of retrieval practice improves learning efficiency and promotes better retention of information.

To understand the essence of retrieval practice, it's important to understand the mechanisms of memorization. Retrieving information from memory is an effective way to consolidate knowledge and improve its subsequent retention. Research shows that active retrieval not only helps you better absorb material but also promotes its long-term retention. Furthermore, retrieval requires active participation, which makes the learning process more effective. As a result, retrieval-based practices promote not only memorization but also a deep understanding of the material being studied.

Science states that long-term memory is formed through the formation and strengthening of new connections between neurons in the brain. The process of memorization can be described as follows: when the brain stores new information in its memory, new neural connections are formed. When this information is retrieved from memory, these connections are activated, which contributes to their strengthening. For a more detailed study of this topic, you can read our material.

In the previous context, we discussed the Russian term "test-enhanced learning." However, it is worth noting that knowledge extraction does not necessarily have to be accomplished solely through testing. While tests can be an effective tool, it is important to organize their administration correctly for maximum effectiveness. There are many methods and approaches that can be used to extract information and test the assimilation of the material.

There are many data extraction tools that can be used effectively. These tools include various web scrapers, which allow you to automate the process of collecting information from websites. In addition, there are APIs that provide access to structured data, as well as tools for processing and analyzing text information, such as machine learning libraries. Using these tools helps significantly simplify the data extraction process and improves its efficiency.

• "Two things." The idea is that the teacher asks students to recall any two things (facts, rules) from the previous lesson.
• "Memory unloading." This method involves writing down everything you can remember from the previous lesson. It's okay if your thoughts are unstructured and inconsistent.
• Cues. In this case, individual notes or fragments of information help you recall the material. Some teachers allow the use of cheat sheets in lessons or tests for this purpose, under certain conditions: for example, the cheat sheet must be small and must be handwritten. The method can also be used in other contexts, when the teacher can "guide" the student to the correct answer with a hint.
• Flashcards. They are quite popular among foreign language teachers. The essence of the practice is, for example, seeing a word in a foreign or native language on a flashcard, trying to remember the translation, and then testing yourself. Flashcards can be used to practice memorizing words, dates, names, and even works of art.
• Quizzes can become a more interactive testing option, when students compete with each other, and the teacher can observe which topics require analysis and repetition.
• "Think-discuss-share" is essentially an answer to the teacher's question, but it is psychologically more comfortable for students than when they are simply raised one by one. This approach involves students dividing into pairs and first quickly discussing the teacher's question among themselves, and then answering the teacher.

What modern science says about retrieval practice

In 2017, a meta-analysis was conducted that covered 118 studies and included more than 15,000 participants. The results showed that retrieval practice is significantly more effective than traditional rote repetition, known in English as restudy. This meta-analysis focused on hybrid tests, such as multiple-choice tests and prompted questions, which were found to be most beneficial for retrieval. The authors also examined studies involving students of different age groups and found that retrieval practice was most effective in promoting learning among middle school students. This confirms the importance of using active learning methods to improve academic performance and consolidate knowledge in schoolchildren.

In In a 2019 review, researchers analyzed 67 articles related to knowledge retrieval practice and selected 23 studies for the final analysis. These studies were conducted in real-world educational settings, rather than laboratories, and covered various types of testing as tools for improving the effectiveness of retrieval practice. The studies involved students of various ages, from elementary school students to medical students. The scientists concluded that knowledge retrieval practice significantly contributes to improving student achievement, which underscores the importance of using this methodology in the educational process.

A 2021 meta-analysis analyzed 222 independent studies involving over 48,000 students. This data provides a deep understanding of the trends and results related to the aspects studied.

The studies led to several key findings.

• Retrieval practice improves long-term retention. This primarily concerns the memorization of facts, as well as subsequent problem solving through "knowledge transfer," a process that helps adapt a familiar problem-solving method to a new area of ​​knowledge.
• Retrieval practice is effective for students of all ages, from kindergarteners to university students. The practice demonstrated effectiveness in 18 academic disciplines examined by the researchers.

In a 2022 review, the authors presented examples of retrieval practice methods used in studies with participants of various age groups and across various fields of knowledge. The methods included multiple-choice tests, prompted tests, open-ended questions, and recognition tests. The authors concluded that retrieval practice is highly effective in improving the acquisition and retention of information. This approach helps strengthen neural connections associated with specific information, which improves learning and retention. Retrieval practice can be useful not only in educational institutions but also for independent learning, which makes it an important tool in the modern educational process.

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Scientists have found that spaced repetition promotes more effective memorization of information. This method is based on the principle that regular breaks between repetitions help strengthen memory and improve the assimilation of material. Research shows that distributing the studied content over time allows for better consolidation of knowledge in long-term memory. This is due to the fact that the brain has the opportunity to process and comprehend the information, which in turn promotes its deeper memorization. Thus, the use of spaced repetition can significantly improve the effectiveness of learning and memorization of information.

What are the limitations of retrieval practice?

Retrieval practice, like any learning strategy or technique, has its drawbacks and limitations. Despite its effectiveness in improving memorization and comprehension of material, there are situations when this approach may be less effective. For example, lack of time for in-depth analysis of information or the peculiarities of individual perception can reduce the effectiveness of this technique. It's important to consider these aspects when choosing a teaching approach to maximize learning.

British educator and neuroscience major Andrew Watson, author of an educational project for teachers about the brain and the blog "Learning and the Brain," warns of the potential negative consequences of retrieval practice. According to his research, if you learn ten new words and use retrieval practice to remember five of them, you'll remember those words better. However, the remaining five words, which you haven't practiced, may be forgotten more quickly. This "forgetting" will be more pronounced than if you hadn't used retrieval practice at all. Watson also cites a study in which students were told this side effect so they could focus on reviewing the entire material they'd learned, not just specific parts, but unfortunately, this didn't produce the expected results. These observations highlight the importance of a holistic approach to learning and review to minimize the risk of forgetting.

Retrieval practice is an effective method for mastering learning material that requires memorization, including facts, rules, dates, foreign words, terms, definitions, and formulas. However, when it comes to solving mathematical problems presented in text format, this method is less useful. However, there is research indicating that retrieval practice goes beyond simply memorizing facts. It can also promote problem solving, likely due to its ability not only to reinforce knowledge but also to promote meaning. This involves organizing and integrating new information with existing knowledge, which ultimately leads to more effective application of that knowledge in practice.

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Existing background significantly affects the memorization of new knowledge. Experience and previous knowledge form the basis for the perception of new information. When we encounter new concepts, our brain compares them with existing data, which contributes to better understanding and memorization.

Furthermore, having a background allows us to easily connect new knowledge with what we have already learned, creating associations. This improves not only memorization but also the ability to apply the acquired information in practice. For example, if a person has experience in a certain field, they learn new aspects related to this field faster and more effectively.

Thus, background plays a key role in the learning and memorization process, allowing us to build on existing knowledge and make deeper connections with new data.

How to Implement Retrieval Practice in Learning

Let's consider the recommendations of scientists on the use of various methods of retrieval practice. Experts emphasize the importance of choosing the optimal method depending on specific conditions and goals. Each method has its own advantages and disadvantages, and understanding these aspects allows for maximum effectiveness. Research shows that a systematic approach to retrieval practices contributes to improved results and higher quality. Also important is regular analysis and adaptation of methods based on the data obtained, which allows for continuous improvement of the retrieval process.

Andrew Watson in his material raises an important question about the advisability of assigning marks for tests that are administered with the aim of training students in information retrieval. He cites a study that found that students who took ungraded tests performed better on the final exam than those who did not. This study highlights the importance of formative assessment and its impact on learning, and challenges traditional approaches to assessment. The question of how testing influences learning remains relevant in educational practice.

This study examines the impact of anxiety on test performance, focusing on ungraded tests, which help reduce stress in students. Andrew emphasizes that the results confirm that the use of ungraded tests does not lead to an increase in anxiety among students. This suggests that ungraded tests can be effectively used to review learned material and improve student confidence.

In a 2020 study, researchers sought to determine the extent to which homework contributes to student success on exams. The authors analyzed the academic performance of 2,433 students enrolled in 12 different college courses over 11 years. The results showed that the proportion of students for whom homework did not lead to exam success increased from 14% in 2008 to 55% in 2017. This raised a legitimate question for the authors: what caused this change?

Research has shown that the method of completing homework significantly impacts retention. Students who relied on "looking up" and copying information received minimal benefit from the assignments. Meanwhile, those who used retrieval practice, attempting to retrieve information from their memory, demonstrated significantly better results and performed better on exams. Learning effectiveness is directly related to students' active engagement in the learning process.

To ensure that students actually complete assignments, it is important for teachers to explain the importance and benefits of retrieval practice. Furthermore, it is necessary to design assignments that motivate students to actively engage in this practice. This will not only help deepen their understanding of the material but also develop critical thinking and independent analysis skills.

Pooja Agarwal, discussed at the beginning of the article, offers specific recommendations for teachers on implementing retrieval practice in the educational process. Her advice will help improve retention and foster a deeper understanding of topics. Implementing such methods can significantly improve learning effectiveness and student engagement.

• Use retrieval practice tools at the beginning or end of the lesson. The researcher suggests using the "Two Things" or "Memory Unloading" method at the beginning or end of the lesson to engage students in the process of retrieving information from memory. It is important not to grade answers to show students that this is a learning strategy, not a graded assignment (then they will not be afraid of making mistakes).

• Make time for the "think" component of the "Think-Discuss-Share" strategy. Simply put, when you ask students a question to recall new information, you need to give them more time to focus. Pooja Agarwal points out that without this component, the "Think-Discuss-Share" strategy cannot be used effectively by students, and time spent reflecting on assignments or questions before discussion should not be neglected.

Dr. Agarwal suggests an interesting and effective technique for group work called "Leave Some, Add Some." This method takes about 30 minutes and is suitable for both schoolchildren and adult students. It promotes active participation and interaction in the group, helping to develop creativity and critical thinking. The technique allows participants not only to share their ideas but also to improve their listening and argumentation skills.

It is important not to grade this type of work, as this is a general principle of retrieval practice. It should be explained that completing this task contributes to better memorization of information. It is necessary to emphasize that such exercises help to consolidate knowledge and develop the skills necessary for successful mastery of the material.

• Give each student a sheet of blank paper.
• Ask students to somehow label their sheet without signing their work (it will remain anonymous). For example, you can draw a symbol or an animal. This is precisely to ensure that there will be no grades for this assignment, but everyone will be able to find their work.
• Ask students to recall and write down one idea or concept they learned in the lesson (this should be done independently, without consulting anyone). The result should be at least one complete sentence.
• Collect the works, and then distribute them randomly so that everyone gets someone else's work. Explain that they have already "left" something behind, writing down what they themselves remembered, and now, having received their classmate's sheet, they need to add something to what is already written there. That is, they need to recall and write down something else from the material covered. It is important that everyone works in silence, without talking to each other.
• Conduct several such rounds, and then invite everyone to find their original sheet.
• Follow the discussion: ask students to reflect on the notes they see on their sheet. For example, name the most interesting ideas that others wrote there.

Reading is an important aspect of our lives, as it helps us develop our thinking, broaden our horizons, and gain new knowledge. By immersing ourselves in books, articles, or blogs, we not only improve our skills but also enrich our inner world. Reading can be a source of inspiration and new ideas that will help in personal and professional development. In addition, regular reading helps improve memory and concentration, which is important for achieving success in any field. Don't miss the opportunity to immerse yourself in the world of literature and get the most out of it.

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