This is an ideal text for advanced courses in research methods and experimental design. It argues that the methodology of quantitative research is a unified discipline with basic notions, procedures and ways of reasoning which can be applied across the social, behavioural and life sciences. Key designs, models and methods in research are covered by leading contributors in their field who seek to explain the fundamentals of the research process to enable the student to understand the broader implications and unifying themes.
Glass (1976) first coined the term meta-analysis to describe a systematic quantitative alternative to narrative literature reviews that enhances the scientific rigor of the review process.
Today the term is often associated with statistical methods used to combine study estimates of a treatment's effect on some response measure, to evaluate the degree of consistency in these estimates across studies, and to explain variation in the response to treatment across studies (Cooper & Hedges, 1994; Hedges ...