The three ways in which a study might be classified as bad research is described below in detail.
Explanation:
Lack of Research: When a study does not satisfy the research process conditions, it is not recognized to be a legitimate one.
No Evidence: When researchers displease to present compelling testimony of their conclusions then, such work is not be trusted and the research becomes unreasonable.
Biased opinions: A study, which serves all the method, contributes proof but is biased in one approach or the other, then such research is also classified as void.