Which best describes a strong research question?

A. a question that is open-ended

B. a question with a concrete answer

C. a question that cannot be answered

D. a question that has a predictable answer

A. a question that is open ended

A.) An open-ended question is a strong research question. It is designed to encourage a full, meaningful answer using the subject's own knowledge and/or feelings because this type of question requires more thought and more than a simple one-word answer.