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