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Goodwyn, Fara – Online Submission, 2012
Exploratory factor analysis involves five key decisions. The second decision, how many factors to retain, is the focus of the current paper. Extracting too many or too few factors often leads to devastating effects on study results. The advantages and disadvantages of the most effective and/or most utilized strategies to determine the number of…
Descriptors: Syntax, Factor Analysis, Research Methodology, Statistical Analysis
Roskos, Kathleen A.; Christie, James F.; Widman, Sarah; Holding, Allison – Journal of Early Childhood Literacy, 2010
In this literature review, we examined 30 years of play-literacy inquiry through a quantitative lens in order to identify, assemble and summarize studies of sufficient methodological strength to form a corpus of research that encourages meta-analytic thinking. First, a multi-phase search of the literature was conducting yielding 192 studies that…
Descriptors: Play, Effect Size, Emergent Literacy, Teaching Methods

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