Prioritize larger randomized trials in pedagogical research and more representative evaluations across Africa¶

Strategy · All strategies
Evidence · no claims cited

Description¶

The author closes the meta-analysis with recommendations for researchers: because the highest-impact pedagogical evaluations are small and the evidence base is geographically concentrated, future work should use "larger randomized trials, particularly in the field of pedagogical research" and increase the focus on evaluations more representative of the continent and the issues facing African education systems.

Design Implications¶

Context¶

Requirements¶

• Evaluations must be rigorous experimental or quasi-experimental studies, as the review excluded correlational studies.

Constraints¶

• The author notes high-impact pedagogical evaluations often have randomization units under 30 and may suffer from various biases, and over 30% of studies come from Kenya alone.

Target Learners¶

• Primary and secondary students in Sub-Saharan Africa

Target Learning Goals¶

• Improving student learning outcomes across subject areas

Claims¶

Related Strategies¶

• Prioritize high-quality randomized controlled trials and umbrella reviews over producing further redundant CI meta-analyses
• Future MBI trials for youth should use scaled-up definitive designs with active intervention controls and embedded mechanism measures
• Future HFS trials for practising nurses need larger samples, rigorous randomised design and standardised, fully reported measures
• Rigorously compare PBL with traditional methods before broad PGME implementation, using larger samples, controls, and follow-up
• Future active-learning research should use randomised controlled designs with larger samples and standardised outcome measures
• Conduct large-scale, well-designed RCTs with multiple outcome indicators to evaluate new teaching methods
• Recommendation: evaluate PBL effectiveness through multicenter primary studies comparing educational centers, cultures, and psychological adaptation factors

Examples¶

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Key Sources¶

• Katharine Conn. (2014). Which interventions have the greatest effect on student learning in Sub-Saharan Africa? A meta-analysis of rigorous impact evaluations. SREE Spring 2014 Conference. https://eric.ed.gov/?id=ED562871