Which of the Following Is a True Statement About Determining

Which of the following is a true statement about determining sample size in a study?

A) The probability that the sample is representative of the target population increases with the increase in sample size.
B) Rules of thumb about sample sizes are highly accurate and help researchers decide the sample size.
C) As the number of participants in an experiment increases, the researchers are better able to detect the effect.
D) The effect size must be stipulated after the sample size is stipulated.