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Step-by-step guide on how to perform a Kruskal-wallis H Test in SPSS. This guide, using a relevant example, explains how to run this test, test assumptions, and understand and report the output.
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Nonparametric Multiple ComparisonsThis option provides several methods for performing nonparametric multiple comparisons. These tests are based on ranks and, except for the Wilcoxon Each Pair test, co...
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The Nature Index tracks the affiliations of high-quality scientific articles. Updated monthly, the Nature Index presents research outputs by institution and country. Use the Nature Index to interrogat...
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Regression Analysis > Forward selection is a type of stepwise regression which begins with an empty model and adds in variables one by one. In each
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Logistic Regression | SPSS Annotated Output
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What can authors and reviewers do to keep common statistical mistakes out of the literature?AbstractInspired by broader efforts to make the conclusions of scientific research more robust, we have comp...
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Video presentation on Stepwise Regression, showing a working example. Stepwise regression is a variable-selection method which allows you to identify and select the most useful explanatory variables f...
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SPSS stepwise regression example. Easy-to-follow explanation of what and why with downloadable data file and annotated output.
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An independent samples t-test examines if 2 populations have equal means on some variable. This simple tutorial quickly walks you through in normal language with superb illustrations.
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Some people believe incorrectly believe that all data collected and used for analysis must be normally distributed. But there are tools that do not need normality, as well as a number of ways to achei...
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