Chapter 26 Cohen’s d: accuracy

26.1 Intro

Study planning includes deciding how large a sample will be collected. This decision is often informed by the required power or the required accuracy. This chapter shows how to compute both.

26.1.1 Example dataset

These sample size computations do not require data.

26.1.2 Variable(s)

These sample size computations do not require variables.

26.2 Input: jamovi

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Figure 26.1: A screenshot placeholder

26.3 Input: R

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Figure 26.2: A screenshot placeholder

26.4 Input: SPSS

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Figure 26.3: A screenshot placeholder

26.5 Output: jamovi

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Figure 26.4: A screenshot placeholder

26.6 Output: R

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Figure 26.5: A screenshot placeholder

26.7 Output: SPSS

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Figure 26.6: A screenshot placeholder