Two-Sample t-tests resources
03. Teach Yourself Worksheets (4)
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Independent Samples t-tests are used to test a hypothesis of differences between two population means when your data comes from two different or independent groups of subjects. This teach yourself worksheet provides an introduction to independent samples t-tests including how to do these using SPSS.
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This teach yourself worksheet provides an overview of the framework used in hypothesis (significance) testing.
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This teach yourself worksheet iprovides an introduction to determining the sample size, and explains how this is related to power and/or precision in a study.
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Repeated measures refers to having more than one measurement on each subject. This leaflet provides a brief overview of the various techniques you should consdeir using if you have repeated measures data. This also lists some useful resources at the end.