{"id":7046488,"date":"2026-10-11T08:00:00","date_gmt":"2026-10-11T13:00:00","guid":{"rendered":"https:\/\/www.learningandthebrain.com\/blog\/?p=7046488"},"modified":"2026-09-20T09:15:07","modified_gmt":"2026-09-20T14:15:07","slug":"when-does-group-work-actually-help-students-learn","status":"publish","type":"post","link":"https:\/\/www.learningandthebrain.com\/blog\/when-does-group-work-actually-help-students-learn\/","title":{"rendered":"When Does Group Work Actually Help Students Learn?"},"content":{"rendered":"\n<p>Teachers can easily spot the potential benefits of group work:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>students have lots to learn from each other<\/li>\n\n\n\n<li>they might benefit from teaching each other<\/li>\n\n\n\n<li>children who work well together might grow up to be adults who work well together<\/li>\n<\/ul>\n\n\n\n<p>And so forth.<\/p>\n\n\n\n<p>At the same time, group work creates additional <strong>working-memory<\/strong> burdens. Students must use limited WM resources to manage the cognitive work before them &#8212; and they must simultaneously use WM to manage the social demands of the task:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>who is leading the discussion?<\/li>\n\n\n\n<li>is it my turn yet?<\/li>\n\n\n\n<li>if I disagree with my popular group mate, will I add grief to my lunchroom dynamics?<\/li>\n\n\n\n<li>why hasn&#8217;t that kid stopped talking yet?<\/li>\n<\/ul>\n\n\n\n<p>For these reasons, I&#8217;ve historically been skeptical about group-work enthusiasm. For instance, all the excitement about the <strong>jigsaw method<\/strong> is &#8212; <a href=\"https:\/\/www.learningandthebrain.com\/blog\/getting-bossy-about-jigsaws-dont-fence-us-in\/\" data-type=\"post\" data-id=\"7615\">as far as I can tell<\/a> &#8212; not supported by a strong research base.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Step 1&#8230;<\/h2>\n\n\n\n<p>Perhaps we can find a good balance here: a group work strategy that reaps the benefits without ramping up WM problems. Even better: we might find <em>research<\/em> to help us in this question.<\/p>\n\n\n\n<p>Three years ago, <a href=\"https:\/\/www.learningandthebrain.com\/blog\/collaborative-learning-and-working-memory-overload-good-news-or-bad\/\" data-type=\"post\" data-id=\"7283\">I wrote about a study<\/a> that tried to find that balance. The authors&#8217; hypothesis: if students <em>practice<\/em> group work, that practice will lower the subsequent WM demands of group tasks. Sure enough, the study&#8217;s authors found that students performed better at group work tasks once they&#8217;d had a chance to practice at them.<\/p>\n\n\n\n<p>This conclusion came with an important caveat:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The benefit shows up only if the groups face cognitively challenging problems. Collaboration doesn&#8217;t help with basic tasks.<\/li>\n<\/ul>\n\n\n\n<p>To help our students succeed at group work, <strong>step 1<\/strong> is: have them practice group work.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">&#8230;Step 2?<\/h2>\n\n\n\n<p>Step one gives us a good start. What else can we do?<\/p>\n\n\n\n<p>A more recent study (Wang, Li, &amp; Liu 2026) considers this question:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>How much <em>task-specific prior knowledge<\/em> do students need to learn from group work?<\/p>\n<\/blockquote>\n\n\n\n<p>To answer this question, researchers worked with 100+ 5th graders at an urban school in China.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Students in Group A <em>read a packet <\/em>explaining how to derive formulas for the area of triangles, trapezoids, and parallelograms.<\/li>\n\n\n\n<li>Students in Group B read the same packet, and <em>also studied worked-examples <\/em>of those mathematical processes.<\/li>\n<\/ul>\n\n\n\n<p>They then studied worked examples:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Half of students in both groups <strong>worked solo<\/strong>. <\/li>\n\n\n\n<li>The other half worked in <strong>groups of three<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>So, did the worked examples in the initial packet matter? Did that &#8220;task-specific prior knowledge&#8221; help students learn more &#8212; either solo or in groups?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Helpful Answers&#8230;<\/h2>\n\n\n\n<p>We&#8217;ve got LOTS of data to consider, so let&#8217;s focus on the headlines.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Headline #1<\/strong>: researchers compared &#8220;<em>low <\/em>task-specific prior knowledge&#8221; results to &#8220;<em>high <\/em>task-specific prior knowledge&#8221; results eight times. In <strong>all eight cases<\/strong>, 5th graders who studied worked examples before they attempted them on their own scored higher than those who didn&#8217;t. In some cases, students with high levels of task-specific prior knowledge scored 30% higher than their counterparts.<\/li>\n<\/ul>\n\n\n\n<p>In brief: students who saw those worked examples in the initial packet consistently scored higher.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Headline #2<\/strong>: on near-transfer problems, students who both previewed the worked examples and worked in groups learned even more when <em>they faced challenging problems<\/em>.<\/li>\n<\/ul>\n\n\n\n<p>In this study, group work benefits show up most strongly with a specific combination of factors:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>If students <em>preview worked examples <\/em>before they solve problems, and<\/p>\n\n\n\n<p>if they work <em>in groups<\/em>, and<\/p>\n\n\n\n<p>if the problems they face create <em>high cognitive demands<\/em>,<\/p>\n\n\n\n<p>then students get the most benefit from group work.<\/p>\n<\/blockquote>\n\n\n\n<p>That&#8217;s a lot of &#8220;ifs.&#8221; But in some classes, the potential benefits group work might make all that careful preparation worthwhile.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">&#8230;and Important Hesitations<\/h2>\n\n\n\n<p>Like all research studies, this one requires some important cautions. We have one study with 5th grade math classes in China. We&#8217;re happy to have that study, and grateful the researchers did all that work. But we shouldn&#8217;t immediately assume that these results apply everywhere.<\/p>\n\n\n\n<p>If you teach 9th grade, or teach reading, or teach in a culture quite different from China&#8217;s, you might not get the same results that these researchers got.<\/p>\n\n\n\n<p>I also want to sound an unusual note of caution. The researchers summarize this study &#8212; in part &#8212; by saying that students with &#8220;high prior knowledge&#8221; learn more from group work. While I understand that shorthand, I think it might mislead readers.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.learningandthebrain.com\/blog\/wp-content\/uploads\/2026\/10\/AdobeStock_560003730-1024x683.jpeg\" alt=\"\" class=\"wp-image-7063867\" srcset=\"https:\/\/www.learningandthebrain.com\/blog\/wp-content\/uploads\/2026\/10\/AdobeStock_560003730-1024x683.jpeg 1024w, https:\/\/www.learningandthebrain.com\/blog\/wp-content\/uploads\/2026\/10\/AdobeStock_560003730-300x200.jpeg 300w, https:\/\/www.learningandthebrain.com\/blog\/wp-content\/uploads\/2026\/10\/AdobeStock_560003730-768x512.jpeg 768w, https:\/\/www.learningandthebrain.com\/blog\/wp-content\/uploads\/2026\/10\/AdobeStock_560003730-1536x1025.jpeg 1536w, https:\/\/www.learningandthebrain.com\/blog\/wp-content\/uploads\/2026\/10\/AdobeStock_560003730-2048x1366.jpeg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>The phrase &#8220;high prior knowledge&#8221; typically describes students who know something because they learned it well in the past. For instance: students in the US typically take Algebra I before taking Geometry. Students who have high prior knowledge of algebra &#8212; because they did well last year &#8212; benefit from that prior knowledge in their geometry classes. Those who struggled with algebra &#8212; and thus have low prior knowledge &#8212; may find geometry a painful lift.<\/p>\n\n\n\n<p>This study, however, <em>specifically excludes students who have &#8220;high prior knowledge&#8221;<\/em> (according to this definition). That is: they pre-tested students to find out how much they knew about calculating the area of various shapes &#8212; and excluded students who already knew about the formula for triangles, etc.<\/p>\n\n\n\n<p>The participants&#8217; &#8220;prior knowledge&#8221; came not from the past &#8212; as the phrase is typically used &#8212; but from the worked examples in packet they read. These students had &#8220;task-specific prior knowledge&#8221; given to them at the beginning of the lesson; they did NOT have &#8220;high prior knowledge&#8221; in the way that cognitive scientists understand that phrase.<\/p>\n\n\n\n<p>As is <a href=\"https:\/\/www.learningandthebrain.com\/blog\/nerd-alert-focusing-on-definitions\/\" data-type=\"post\" data-id=\"8008\">so often the case<\/a>, we need to be very careful about terminology to understand this research correctly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Big Picture<\/h2>\n\n\n\n<p>If group work overwhelms students&#8217; working memory, it will almost certainly not help them learn. However, we have increasingly helpful research-informed guidance on getting the benefits of this pedagogy. If we<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Give students the chance to practice group work,<\/li>\n\n\n\n<li>Prepare them for the specific work that they will be doing,<\/li>\n\n\n\n<li>Ask them to do complex cognitive work&#8230;<\/li>\n<\/ul>\n\n\n\n<p>they are likeliest to learn the most from collaboration with their classmates.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p>Wang, Y., Li, Q., &amp; Liu, X. (2026). Boundary conditions of collaborative learning using worked-examples: joint moderating effects of task-specific prior knowledge and task complexity on transfer performance and cognitive load. <em>Frontiers in Psychology<\/em>, <em>17<\/em>, 1855051.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Teachers can easily spot the potential benefits of group work: And so forth. At the same time, group work creates additional working-memory burdens. Students must use limited WM resources to manage the cognitive work before them &#8212; and they must simultaneously use WM to manage the social demands of the task: For these reasons, I&#8217;ve [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":7063867,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[278,30],"class_list":["post-7046488","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lb-blog","tag-group-work","tag-working-memory"],"_links":{"self":[{"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/posts\/7046488","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/comments?post=7046488"}],"version-history":[{"count":7,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/posts\/7046488\/revisions"}],"predecessor-version":[{"id":7070596,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/posts\/7046488\/revisions\/7070596"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/media\/7063867"}],"wp:attachment":[{"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/media?parent=7046488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/categories?post=7046488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learningandthebrain.com\/blog\/wp-json\/wp\/v2\/tags?post=7046488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}