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Adeyemo, Emily Oluseyi – World Journal of Education, 2012
This study examined the impact of publication bias on a meta-analysis of empirical studies on validity of University Matriculation Examinations in Nigeria with a view to determine the level of difference between published and unpublished articles. Specifically, the design was an ex-post facto, a causal comparative design. The sample size consisted…
Descriptors: Meta Analysis, Foreign Countries, Exit Examinations, Effect Size