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Independent t-test - SPSS (Example 1)

how2stats

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Independent t-test - SPSS (Example 1) walks you through comparing brain volumes of smokers and non-smokers using SPSS, covering data entry, test assumptions, interpreting output, and noting the need to manually calculate effect size like Cohen’s D.

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Best quote from Independent t-test - SPSS (Example 1)

We would reject the null hypothesis of no difference between the means and state that, in all probability, the difference in brain volumes between smokers and non-smokers is statistically significant, with P equal to 0.004.

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