期刊
PERSPECTIVES ON PSYCHOLOGICAL SCIENCE
卷 6, 期 2, 页码 163-171出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1745691611400237
关键词
paradigmatic research; sampling filters; file drawer; representative design
A recent set of articles in Perspectives on Psychological Science discussed inflated correlations between brain measures and behavioral criteria when measurement points (voxels) are deliberately selected to maximize criterion correlations (the target article was Vul, Harris, Winkielman, & Pashler, 2009). However, closer inspection reveals that this problem is only a special symptom of a broader methodological problem that characterizes all paradigmatic research, not just neuroscience. Researchers not only select voxels to inflate effect size, they also select stimuli, task settings, favorable boundary conditions, dependent variables and independent variables, treatment levels, moderators, mediators, and multiple parameter settings in such a way that empirical phenomena become maximally visible and stable. In general, paradigms can be understood as conventional setups for producing idealized, inflated effects. Although the feasibility of representative designs is restricted, a viable remedy lies in a reorientation of paradigmatic research from the visibility of strong effect sizes to genuine validity and scientific scrutiny.
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