What does it mean to have a well-defined question to study? A. The question can be answered yes or no. B. The question can be tested in one experiment. C. The question is about how a scientific term should be defined. D. The question is something that everyone is really interested in.

Answer:

B. The question can be tested in one experiment.

A well defined question  is one complete in scope and can support comprehensive investigation through experiment or scientific methods. Here empirical analyses can be carried out to unravel answers to such  question. Usually well defined questions could take the form of problem statement  or research question.