Chapter 29 Cohen’s d: accuracy

29.1 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.

29.1.1 Example dataset

These sample size computations do not require data.

29.1.2 Variable(s)

These sample size computations do not require variables.

29.2 Input: jamovi

Figure 29.1: A screenshot placeholder

29.3 Input: R

Figure 29.2: A screenshot placeholder

29.4 Input: SPSS

Figure 29.3: A screenshot placeholder

29.5 Output: jamovi

Figure 29.4: A screenshot placeholder

29.6 Output: R

Figure 29.5: A screenshot placeholder

29.7 Output: SPSS

Figure 29.6: A screenshot placeholder