Which one of the following statements about sample size is correct?
A) The size of the sample depends on how much error a researcher is willing to tolerate.
B) Studies using large nonrandom samples produce more generalizable results than small studies using random samples.
C) Random samples are generally larger than nonrandom ones.
D) Whether a sample is large enough does not have any bearing on the study results.

Question

Quizplus · Accepted Answer

The size of the sample should be determined based on the amount of error a researcher is willing to tolerate. A larger sample size can reduce the margin of error, but it also increases the cost and time required for the study. Therefore, researchers need to balance the cost, time and accuracy to determine an appropriate sample size.

Which One of the Following Statements About Sample Size Is