Which of the Following Is/are a Reason for Using Mixed

Multiple Choice

Which of the following is/are a reason for using mixed methods?​

A) ​To use one set of methods to illustrate cases or provide numbers for the findings of the other set.
B) ​To use one set to initiate ideas that subsequently can be pursued by the other set.
C) ​To see if two sets of findings corroborate each other.
D) ​All of the above.