Which of the Following Refers to Evaluation Research

Multiple Choice

Which of the following refers to evaluation research?

A) It is the research conducted to understand whether the applied interventions have had their intended consequences.
B) It is the research conducted for the purpose of guiding businesses and other organizations as they make decisions about how best to sell,or improve a product or service.
C) It is the research conducted to guide businesses on how to promote a product or service.
D) It is the research conducted to test hypotheses under controlled conditions.
E) It is the research conducted to test the effect of a stimulus by comparing an experimental group to a control group.