Answer:
androcentricity
Explanation:
According to my research on different research errors that may occur, I can say that based on the information provided within the question this situation is an example of the error of androcentricity. This error is defined as an error caused by a dominating masculine interests or points of view that affects a studies results. This is the case in this situation since the subjects (men) point of view is preventing the study from being performed.
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