Residents Were Asked to Separate Cans, Paper, Glass, and Plastic

Multiple Choice

Residents were asked to separate cans, paper, glass, and plastic for recycling in a three week experimental trash collection program. After the three week trial was over, Susan surveyed 150 residents' reactions to the recycling program. Additionally, she examined whether or not the neighborhood properly sorted the trash. Her results were used to prepare a report for the city trash collection department. Susan's study is an example of what type of applied research?

A) evaluation research
B) cost-benefit research
C) social impact assessment research
D) action research