Summary:This is a nontechnical guide to power analysis in research planning that provides users of applied statistics with the tools they need for more effective analysis. The second edition includes: a chapter covering power analysis in set correlation and multivariate methods; a chapter considering effect size, psychometric reliability, and the efficacy of "qualifying" dependent variables and; expanded power and sample size tables for multiple regression/correlation Show Print Book, English, 1988 Publisher:L. Erlbaum Associates, Hillsdale, N.J., 1988 Article citationsMore>>Cohen, J. (1988). Statistical Power Analysis for the Behavioral Sciences (2nd ed.). Hillsdale, NJ: Lawrence Erlbaum Associates, Publishers. has been cited by the following article:
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What is statistics for behavioral sciences?PsycLearn: Statistics for the Behavioral Sciences was designed to help instructors support their students by presenting statistics using everyday language. It makes a field that can often be daunting for students more relatable, manageable, and even exciting.
What does a statistical power analysis do?A power analysis is the calculation used to estimate the smallest sample size needed for an experiment, given a required significance level, statistical power, and effect size. It helps to determine if a result from an experiment or survey is due to chance, or if it is genuine and significant.
What is power statistics psychology?Statistical power is the likelihood that a test will be able to to detect an effect (during a research study) when one truly exists. When conducting a study, researchers are essentially trying to find out if their hypothesis is correct.
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