Pretests should involve at least thirty respondents to be able to calculate inferential statistics.

Question

Quizplus · Accepted Answer

Inferential statistics can be calculated with fewer than thirty respondents, but larger sample sizes generally provide more reliable and generalizable results. The number thirty is often cited as a rule of thumb for achieving a normal distribution, but it is not a strict requirement for all inferential statistical analyses.

Pretests Should Involve at Least Thirty Respondents to Be Able