How does sample size affect determinations of statistical significance? The ______ the sample,the _______.
A) larger;greater probability that the variable has an effect
B) smaller;greater probability that the variable has an effect
C) larger;the more confident you can be in your decision to reject or retain the null hypothesis
D) smaller;the more confident you can be in your decision to reject or retain the null hypothesis

Question

Quizplus · Accepted Answer

A larger sample size leads to a more reliable estimate of the population parameter being studied and decreases the variability of the sample mean, leading to more precise estimates of the effect size. As a result, a larger sample size allows us to be more confident in our decision to reject or retain the null hypothesis.

How Does Sample Size Affect Determinations of Statistical Significance? the ______