Why Were Rahman and Witenstein Unable to Do Complete More

Multiple Choice

Why were Rahman and Witenstein unable to do complete more in-depth statistical analysis?

A) Because there were no difference based on gender and economic background on academic performance, no further analysis was necessary.
B) The researchers' findings were consistent with what other research had found.
C) The researchers were able to do an in-depth statistical analysis in their exploratory study.
D) Because the sample size was small, further analysis was not possible.