In a Study of Pain Control and Fatigue After Hip

In a study of pain control and fatigue after hip replacement, what would the primary advantage be of conducting a quantitative descriptive portion followed by a grounded theory portion?

A) The results would be more difficult to understand but more scholarly.
B) It would force a multiple-authorship arrangement, assisting each scholar.
C) The researcher's analyses and interpretations will be of higher quality.
D) The time required to complete the study would be approximately double that of completing one that utilized only one method.