Which of the Following Refers to Market Research

Multiple Choice

Which of the following refers to market research?

A) Research which is used when some form of social intervention is planned,such as welfare reform or school curriculum change
B) Research used to assess the effects of specific social programs or policies
C) Research used to understand whether the applied social interventions have had their intended consequences
D) Research used to assess the extent to which intervention is necessary by attempting to define and diagnose social problems
E) Research conducted for the purpose of guiding businesses and other organizations about how best to sell,improve,or promote a product or service