Explanatory Research Is

Explanatory research is

A) research in which a researcher seeks to test theories and addresses the question of why events or patterns occur in social reality.
B) a technique developed by economists in which the positive and negative consequences of something are estimated,given a dollar value,then balanced against one another.
C) evaluation research after the program or policy being evaluated ends.
D) evaluation research throughout the program or policy being evaluated.
E) research into a new area that has not been studied and in which a researcher develops initial ideas and a more focused research question.