Dr Hoonoes Got Statistically Significant Results in Her Last Experiment

Dr. Hoonoes got statistically significant results in her last experiment, but she is worried about experimenter bias. By this she means that the results may have been influenced by

A) the experimenter's dislike for calculating statistics.
B) the tendency of an experimenter to distort the experimental results to fit an expected outcome.
C) the fact that some people quit before the experiment was finished.
D) a tendency to rank people high on everything or on nothing.