A Program Was Developed to Increase Prescription Compliance in Recently

A program was developed to increase prescription compliance in recently diagnosed hypertension patients.Medical readings and interviews were conducted with participants over one year,at three-month intervals.At the end of the program,medical health practitioners revisited the program to check its effectiveness and to make adjustments as indicated by the data.Which form of research would reveal the outcome of the program?

A) evaluation
B) exploratory
C) explanatory
D) empowerment