Which of the following is true of sample size?
A)It primarily affects external validity.
B)It primarily affects construct validity.
C)It primarily affects internal validity.
D)It primarily affects statistical validity.

Question

Quizplus · Accepted Answer

Sample size primarily affects statistical validity, as larger sample sizes increase the power of statistical tests and reduce the likelihood of errors such as Type I and Type II errors. While sample size can also impact other types of validity, statistical validity is the most directly affected.

Which of the Following Is True of Sample Size