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Explanations of SPSS, T-tests, Hypothesis Tests and Statistical Power

How is hypothesis testing performed using t-tests?

What are the options for determining whether a hypothesis test result is significant?

What are critical regions for t-tests?

How is SPSS used to perform an independent samples t-test?

How are SPSS t-test results evaluated?

How do you find the p-value in SPSS, and how do you use this value to determine test result significance?

What are effect size and statistical power?

Solution Summary

This posting explains various characteristics of the t-test, statistical power and how to incorporate these concepts in SPSS.