The concept of effect size was discussed in Chapter 12. After determining that there was a statistically significant effect of the independent variable, researchers will want to know the magnitude of the effect. Therefore, we want to calculate an estimate of effect size. For a t test, the calculation is
The concept of effect size was discussed in Chapter 12. After determining that there was a statistically significant effect of the independent variable, researchers will want to know the magnitude of the effect. Therefore, we want to calculate an estimate of effect size. For a t test, the calculation is
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