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High-quality evidence across standardised test outcomes supports average gains, with the strongest effects from peer-assisted instruction and adult-led small-group instruction. Follow-up results beyond three months show more evidence for small-group reading interventions, including fadeout with some positive impacts up to two years.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/targeted-school-based-interventions-for-improving-reading-and-mathematics-for-students-with-or-at-risk-of-academic-difficulties-in-grades-k-6-a-systematic-review/582619/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/targeted-school-based-interventions-for-improving-reading-and-mathematics-for-students-with-or-at-risk-of-academic-difficulties-in-grades-k-6-a-systematic-review/582619.png","ImageObject",300,407,{"name":92,"@type":93},"Mia  ","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-31","2026-10-15",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What problem does the review focus on?","Question",{"text":112,"@type":113},"The review focuses on low reading and mathematics skills and academic difficulties among students in Grades K-6, including those at risk due to their background.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Which interventions are most effective?",{"text":117,"@type":113},"Peer-assisted instruction and adult-led small-group instruction show the largest short-term improvements in both reading and mathematics.",{"name":119,"@type":110,"acceptedAnswer":120},"Are intervention benefits maintained after the program ends?",{"text":121,"@type":113},"Shorter-term benefits are strongest, while longer-term follow-up (beyond three months) is mainly supported for studies on small-group instruction and reading. Fadeout is reported, but positive effects can still be observed up to two years.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},582619,1792044063,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":14,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":24,"preview_page_count":4},687207024478,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","Plain Language Summary 2021  \nEducation  \nTargeted school-based interventions improve achievement in reading and maths for at-risk students in Grades K-6  \nSchool-based interventions that target students with, or at risk of, academic difficulties in kindergarten to Grade 6 have positive effects on reading and mathematics. The most effective interventions include peer-assisted instruction and small-group instruction by adults. These have substantial potential to decrease the achievement gap.  \nWhat is this review about?  \nLow levels of mathematics and reading skills are associated with a range of negative outcomesin life, including reduced employment and earnings, and poor health. This review examines the impact of a broad range of school-based interventions that specifically target students with or at risk of academic difficulties in Grades K-6 . The students in this review either have academic difficulties or are at risk of such difficulties because of their background.  \nExamples of interventions that are included in this review are: peer-assisted instruction, using financial and non-financial incentives, instruction by adults to small or medium-sized groups of students, monitoring progress, using computer-assisted instruction, and providing coaching to teachers.  \nPeer-assisted instruction and small-group instruction by adults showed the largest (short-term) improvements in reading and mathematics.  \nWhat is the aim of this review?  \nThis Campbell systematic review examines the effects of targeted school-based interventions on standardised tests in reading and mathematics. The review analyses evidence from 205 studies, 186 of which are randomised controlled trials.  \nSome interventions target specific domainsin reading and mathematics such as reading comprehension, fluency, number sense, and operations, while others also focus on building different skills, for example, meta-cognition and social-emotional learning.  \nThe review looks at whether these interventions are effective in improving students’ performance on standardised tests of reading and/or mathematics.  \nWhat studies are included?  \nIn total, 607 studies are included in this review. However, only 205 of these were of sufficiently high methodological quality to be included in the analysis. Of these, 175 are from the USA, 10 from Sweden, 7 from the UK, 3 from the Netherlands,  \n2 from Australia, 2 from Germany, 2 from New Zealand, and 1 each from Canada, Denmark, Ireland, and Israel.  \nDo targeted school-based interventions  \nimprove reading and mathematics outcomes?  \nYes. High quality evidence shows that, on average, school-based interventions aimed at students who are experiencing, or at risk of, academic difficulties, do improve reading and mathematics outcomes in the short term.  \nWhat type of intervention is the most effective?  \nTwo instructional methods stand out as being particularly and consistently effective. Both peer-assisted instruction and small-group instruction by adults showed the largest (shortterm) improvements in reading and mathematics. Other instructional methods showed smaller improvements however, there is substantial variation in the magnitude of these effects.  \nAre positive effects sustained in the longer term?  \nFollow-up outcomes measured more than three months after the end of the intervention pertain almost exclusively to studies examining smallgroup instruction and reading. There is evidence of fadeout but positive effects are still reported up to two years after the end of intervention. Only five studies measured intervention effects after more than two years.  \nWhat do the findings of the review mean?  \nSchool-based interventions in Grades K-6 can improve reading and mathematics outcomes for students with or at risk of academic difficulties. In particular, the evidence shows that using peerassisted instruction and small-group instruction are two of the most effective approaches that schools can implement. These interventions make ","cbCaicWdSZDROMut","https://ap.wps.com/l/cbCaicWdSZDROMut","pdf",781533,"English","# What is this review about?\n# What is the aim of this review?\n# What studies are included?\n# Do targeted school-based interventions improve reading and mathematics outcomes?\n# What type of intervention is the most effective?\n# Are positive effects sustained in the longer term?\n# What do the findings of the review mean?\n# How up-to-date is this review?","[{\"question\":\"What problem does the review focus on?\",\"answer\":\"The review focuses on low reading and mathematics skills and academic difficulties among students in Grades K-6, including those at risk due to their background.\"},{\"question\":\"Which interventions are most effective?\",\"answer\":\"Peer-assisted instruction and adult-led small-group instruction show the largest short-term improvements in both reading and mathematics.\"},{\"question\":\"Are intervention benefits maintained after the program ends?\",\"answer\":\"Shorter-term benefits are strongest, while longer-term follow-up (beyond three months) is mainly supported for studies on small-group instruction and reading. Fadeout is reported, but positive effects can still be observed up to two years.\"}]","Targeted School-Based Interventions for Improving Reading and Mathematics for Students with or at Risk of Academic Difficulties in Grades K-6: A Systematic Review | PDF"]