A. Discussion with colleagues and experts about the problem, its origin and objectives in seeking a solution
B. Examination of data and records, if available, concerning the problem for possible trends, peculiarities and other clues
C. Review of similar studies in the area or of the studies on similar problems
D. Following the traditional trend
✅ The correct answer is option D.
Following the traditional trend is not used for developing a working hypothesis.
Following the traditional trend is not used for developing a working hypothesis.