Extracting a maximum of useful information from statistical research data.

Scand J Psychol

Department of Psychology, Uppsala University, SE-75142 Uppsala, Sweden.

Published: February 2005

The practice of statistical inference in psychological research is critically reviewed. Particular emphasis is put on the fast pace of change from the sole reliance on null hypothesis significance testing (NHST) to the inclusion of effect size estimates, confidence intervals, and an interest in the Bayesian approach. We conclude that these developments are helpful for psychologists seeking to extract a maximum of useful information from statistical research data, and that seven decades of criticism against NHST is finally having an effect.

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http://dx.doi.org/10.1111/j.1467-9450.2005.00436.xDOI Listing

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