Which statement about hypotheses is not true?
A) A hypothesis is an unproven statement or proposition about a factor or phenomenon that is of interest to the researcher.
B) Hypotheses are declarative and can be tested empirically.
C) It is possible to formulate hypotheses in all situations.
D) An important role of a hypothesis is to suggest variables to be included in the research design.
Answer: C) It is possible to formulate hypotheses in all situations.