To calculate sample size in SPSS, first, open the software and navigate to the "Analyze" menu. Choose "Power Analysis" and then "Sample Size." Sample size can be easily calculated in SPSS by entering characteristics such as effect size, alpha level, and desired power. Accurate and trustworthy study results are guaranteed when sample size is determined using SPSS. Make sure to verify t... https://statsresearchcourses.com/course-bundle/calculate-sample-size-in-spss/