How does one tell if the appropriate design or analysis was used in a research article? Using examples of both good and flawed studies, Ellen R. Girden shows how to read qualitative and quantitative research articles critically from start to finish. She explains how to decide whether the conclusions reported in an article are justified, based on the design and analysis of the experiment. By first demonstrating how to analyze an article in each design category - for example, correlational study, factor analysis, and narrative analysis - Girden uses targeted questions to assist the reader's critique of each major section of an article.
Using examples of good as well as flawed research studies, this text explains how to decide whether the conclusions reported in an article are justified on the basis of the design and analysis of the experiment.
Focusing on situations in which analysis of variance (ANOVA) involving the repeated measurement of separate groups of individuals is needed, Girden reveals the advantages, disadvantages, and counterbalancing issues of repeated measures situations. Using additive and nonadditive models to guide the analysis in each chapter, the book covers such topics as the rationale for partitioning the sum of squares, detailed analyses to facilitate the interpretation of computer printouts, the rationale for the F ratios in terms of expected means squares, validity assumptions for sphericity or circularity and approximate tests to perform when sphericity is not met.
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