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

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    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?

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    Solution Summary

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