All of the following are true EXCEPT:
A) Sample size is one of the major costs in a research project.
B) Sample size is directly proportional to the variance of the variable.
C) Estimates of the population variance are based on small pilot studies, related research and judgment of the researcher.
D) The researcher should disclose to the client unexpected differences between expected and actual sample standard deviations.
E) Inflating population variance estimates does not lead to inflating the sample size.
Answer: E