Tag: Meta-analysis

Categories
Effective Teaching Approach K-12 Education

Strategies for facilitating productive dialogue in collaborative learning

Collaboration is more than just a 21st-century skill—it’s a powerful teaching strategy that helps students grow cognitively, socially, and emotionally. While group work is common in classrooms, simply putting students together doesn’t guarantee success. As with adults in professional settings, young learners benefit from clear guidance and practice to collaborate effectively. Without structured support, group tasks can lead to frustration or off-task behavior rather than meaningful learning.

Recent research underscores the transformative power of well-guided collaboration. A 2024 review of 24 studies by Hu and Chen found that when students elaborate on their own ideas and respond to the ideas of others, known as “productive peer talk moves,” they experience better learning outcomes. These strategies led to strong improvements in the quality of student interactions (Hedge’s g = 1.27), boosted subject-specific knowledge (g = 0.96), and strengthened general skills like critical thinking (g = 1.02). Even problem-solving abilities saw moderate gains (g = 0.70). These findings highlight that when students engage in meaningful dialogue, they don’t just master content—they also learn to work together more effectively.

To foster effective collaboration, teachers can start by embedding proven effective “talk moves” into everyday instruction. For example, follow-up questions like “Can you explain why you think that?” or “How does your idea connect to what we learned yesterday?” promote reasoning and help students build on one another’s ideas. Equally important is combining explicit training with in-the-moment support. Before group work, teachers can model how to ask constructive questions (“I wonder if…” or “What if we tried…?”) and explain their purpose (“Questions help us dig deeper!”). During activities, tools like sentence starters (“I agree because…” or “Another perspective is…”) can keep discussions productive. Teachers should circulate the room to gently redirect off-task groups (“Let’s revisit our main goal…”), ensuring conversations stay focused, respectful, and inclusive.

 

Source: Hu, L., & Chen, G. (2024). A systematic review and meta-analysis of productive peer talk moves. Journal of Behavioral Education, 33(4), 798–830. https://doi.org/10.1007/s10864-023-09513-9… Read the rest

Categories
Educational Administration and Leadership K-12 Education Programme Evaluation

Cross-age tutoring: Are adult tutors better than student tutors?

A meta-analysis published in Educational Psychology Review by Chang and colleagues provides comprehensive evidence on the effectiveness of cross-age tutoring in educational settings. Cross-age tutoring involves pairing an older tutor with a younger tutee at different developmental stages, with the expectation that both participants benefit. This meta-analysis analyzed 31 experimental studies (RCT or quasi experimental design) involving147 effect sizes of academic outcomes. Of these, 28 studies (117 effect sizes) involved tutees, while 14 studies (30 effect sizes) examined the impact on tutors. The tutors ranged from older students in grades 5 through 12 to adult tutors, including university students and community volunteers.

The researchers found that cross-age tutoring generated positive academic outcomes for both tutors and tutees, with an overall effect size of 0.34. Specifically, tutees showed significant academic improvement (ES=0.33), while tutors also demonstrated considerable learning gains (ES=0.39). Importantly, the analysis revealed that student tutors (ES = 0.37) were as effective as adult tutors (ES = 0.25) on tutees, and the intervention proved beneficial for both typically developing students and those with learning difficulties. The positive effects were consistent across both reading and mathematics subjects.

The findings have some implications for educational practice and policy decisions. For instance, the schools can effectively utilize older students as tutors, which offers both economic advantages and feasibility. However, the researchers note several areas requiring further investigation, including cost-effectiveness analysis comparing peer tutoring with adult tutoring, optimal tutoring duration and frequency.

 

Source (Open Access): Chang, A., Mauer, E., Wanzek, J., Kim, S., Scammacca, N., & Swanson, E. (2025). Examining the academic effects of cross-age tutoring: A meta-analysis. Educational Psychology Review, 37(1), 19. https://doi.org/10.1007/s10648-025-09997-z… Read the rest

Categories
Achievement Educational Administration and Leadership K-12 Education

24 years of evidence on the impacts of Teach for America

As teacher shortages persist in many school districts, alternative certification routes like Teach for America (TFA) remain relevant policy considerations. A meta-analysis from AIR (American Institutes for Research), led by Martyna Citkowicz, reviewed data from 23 studies (either RCTs or QEDs) of TFA corps members over the program’s first 24 years (2000-2024).

The authors found that TFA had no impact on students’ achievement in English Language Arts, but a significant positive impact in Math (ES = +0.05) and Science (ES = +0.16). These impacts varied significantly by grade level and differed between corps members during their service and alumni after their service. This brief report noted but did not investigate regional variation in impacts, a growing area of focus for the TFA program.

 

Source (Open Access): Citkowicz, M., Chen, C., Castro M., Arellano, B. (2024) A Meta-analysis of Teach For America Teacher Impacts.  Retrieved from https://www.air.org/sites/default/files/2024-11/TFA-meta-analysis_memo.pdf.… Read the rest

Categories
Language Development Primary School Education Programme Evaluation Secondary School Education

Optimizing reading comprehension intervention : A Bayesian network meta-analysis

Peng and colleagues conducted a Bayesian network meta-analysis (BNMA) to evaluate the effectiveness of various reading comprehension strategies for students with reading difficulties (RD) in grades 3 to 12. They included 52 experimental/quasi-experimental studies which examined strategies including main idea (or summarizing), inference, text structure, retell, prediction, self-monitoring, and graphic organizers, along with their combinations. The researchers explored potential moderators like background knowledge instruction, age, text type, RD status, assessment type, intervention dosage, and study quality.

Unlike traditional meta-analysis, network meta-analysis can compare multiple interventions simultaneously and rank their effectiveness, even when some interventions haven’t been directly compared in individual studies, based on both direct and indirect evidence. The study found that the most effective strategy combination was the main idea-text structure-retell (MTR) combination (ES =+1.72, SUCRA = 0.89). Other effective strategies included the main idea-text structure-self-monitoring-graphic organizers (MTSG) combination (ES =+1.13, SUCRA = 0.76) and the main idea strategy alone (ES =+1.07, SUCRA=0.77). Background knowledge (vocabulary / content knowledge) was the only significant moderator that enhanced the effectiveness of these strategies. Without it, no strategies or combinations showed significant efficacy. The number of strategies in a combination did not influence the reading comprehension outcome, suggesting that teaching too many strategies could increase cognitive load, making it difficult for struggling readers to apply them effectively.

These insights can help educators design more effective reading interventions by focusing on optimal strategy combinations and incorporating background knowledge instruction to enhance comprehension for struggling readers.

 

Note: SUCRA = the surface under the cumulative ranking curve scores, which indicates how likely an intervention strategy would be evaluated as the most efficacious (the worst 0% to the best 100%).

 

Source (Open Access): Peng, P., Wang, W., Filderman, M. J., Zhang, W., & Lin, L. (2024). The Active Ingredient in Reading Comprehension Strategy Intervention for Struggling Readers: A Bayesian Network Meta-analysis. Review of Educational Research, 94(2), 228–267. https://doi.org/10.3102/00346543231171345… Read the rest

Categories
Achievement K-12 Education

Effects of educational technology on the performance of disadvantaged students

A recent meta-analysis examined the effects of technology-based educational interventions on the academic performance of disadvantaged K–12 students. The review included studies conducted in less developed countries or with at least 50% of students from disadvantaged backgrounds, defined by socio-economic status, minority status, or areas of residence. Studies needed to use technology in class, while courses delivered online were excluded.

The review included 72 studies with 740 effect sizes conducted in 24 different countries, although most of the studies took place in the US and in India. Ed-tech interventions showed an average effect on academic performance of +0.20 across all included studies with average effect sizes of +0.23 in more developed countries and +0.18 in less developed countries. Regarding factors in the interventions and school contexts that made them effective, slightly larger effects were found in math and science outcomes compared to humanities. The authors found that Computer-Assisted Learning (CAL; ES = +0.12) and behavioral interventions (ES = +0.09) had larger effects compared to interventions that just provided the access to technology (e.g., internet, tablets).

Behavioral approaches that involved sending messages to parents to keep them informed and engaged were particularly effective, especially in communities where education is undervalued and families have limited resources. This highlights the importance of family and community support in helping disadvantaged students succeed academically.

 

Source (Open Access): Di Pietro, G., & Castaño Muñoz, J. (2025). A meta-analysis on the effect of technology on the achievement of less advantaged students. Computers & Education, 226, 105197. https://doi.org/10.1016/j.compedu.2024.105197… Read the rest

Categories
Educational Administration and Leadership Language Development Primary School Education Programme Evaluation

A meta-analysis of effective Spanish reading interventions

A meta-analysis conducted by our Best Evidence in Brief (BEiB) colleagues José Luis Arco-Tirado, Amanda Neitzel, and the late Bob Slavin, examined the effects of Spanish reading interventions for students in grades K–6. The review, published in Review of Educational Research, included studies focused on class- or school-based interventions aimed at improving reading skills among students whose first language was Spanish. The analysis included only high-quality studies that met rigorous criteria, such as the use of experimental or quasi-experimental designs and quantitative standardized measures of reading achievement.

The final best-evidence synthesis and meta-analysis was based on 11 studies with 51 effect sizes. Overall, Spanish reading interventions showed a significant average effect size of +0.49 on reading performance. While results varied considerably, the researchers explored grade level and outcome type as potential moderators of the effect. However, due to the small number of studies, no significant differences were found between grades K–2 and 3–6 or across the five categories of outcome type.

The authors concluded, on one hand, that some effective interventions for improving Spanish reading comprehension are available to help readers in K–6 education. On the other hand, more rigorous evaluation studies have to be implemented to expand the pool of proven reading practices available for teachers and educators in Spanish-speaking countries.

 

Source (Open Access): Arco-Tirado, J. L., Fernández-Martín, F. D., Hervás-Torres, M., Jiménez-Fernández, G., Calet, N., Defior, S., Neitzel, A. J., & Slavin, R. E. (2024). A Best-Evidence Synthesis and Meta-analysis on Effective Reading Programs in Spanish. Review of Educational Research, 00346543241297668. https://doi.org/10.3102/00346543241297668… Read the rest