The accuracy of quantitative data is affected by
A. the response rate
B. the sample size
C. the sampling procedure
D. (A), (B) and (C)
E. None of the above
Answer: (D) All of the above are required in order to have accurate, reliable, and valid research results. (A) is required for data accuracy, but is not the best answer and is incorrect. (B) and (C) are also required to give data accuracy, but are not the best choices. Since all of the above are required, none of the above (E) is incorrect.