Sample size can affect whether statistically significant differences are found, but sometimes in extremely large samples differences are found that are significant but of no real value or interest.What standardized value helps measure the size of the difference in relation to the variability of the data rather than to that of sample size?
A) alpha level
B) confidence interval
C) effect size
D) interval estimate

Question

Quizplus · Accepted Answer

Effect size is a standardized value that helps measure the size of the difference in relation to the variability of the data rather than to that of sample size. It is a more meaningful indicator of the practical significance of research findings. Thus, the correct answer is C.

Sample Size Can Affect Whether Statistically Significant Differences Are Found