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Meta-analysis: A Brief Introduction Meta-analysis: A Brief Introduction

1.Karl Pearson (1904) was probably the first one using meta-analytic techniques to combine the correlations between inoculation for typhoid fever and mortality for five independent samples.2.The term “meta-analysis” was coined by Gene V. Glass in educational research.3.It is known as validity generalization in Industrial and Organizational Psychology (Hunter & Schmidt, 2004).4.It is also related to systematic review in medical research.