Answer :
Answer: d. all of the above
Explanation:
The results are the outcomes of the experimental procedures which are performed using suitable methodologies. The experimental results are subjected to analysis and evaluation by the researcher or other person reviewing the results. The results should not be incorrect, it must not be based on self generated opinions rather must be exactly what is obtain after the experiment, and it should not be baised so as to make the results in accordance with the hypothesis.
Thus all the given options are correct and these raise the important question over the result of the experiment.