ما الذي يمكن للأهل أخذه من هذا البحث
There is a sensible evidence-based case for checking security before moving on, provided the checks and follow-up are meaningful.
ما الذي وجده البحث
Mastery-learning programmes showed positive effects on examination performance across controlled evaluations, with implementation differences affecting results.
المرجع الكامل
Chen-Lin C. Kulik, James A. Kulik & Robert L. Bangert-Drowns (1990). Effectiveness of mastery learning programs: a meta-analysis. Review of Educational Research. DOI: 10.3102/00346543060002265.
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