Answer: D- repeating the same research design multiple times
Explanation: I can use the same research design multiple times only when design is according to my investigation.
the rest of answers are wrong
A- overclaiming, I can perform a claim only when is necessary but I can not do it overclaiming.
B- rushing prematurely to publication, I must follow each step of the research one by one. I can not be premature.
C- the incorrect use of statistics, this can give me wrong results during my investigation, so it can give me bad conclusions.