Answer :
be thoroughly assessed to measure the intended result
Step-by-step explanation:
The scientific approach applies the scientific method of acquiring knowledge which dates back since the 17th century. The scientific method makes use of empirical methods to derive knowledge whereby observation and skepticism is applied to knowledge investigations in the form of hypothesis and empirical investigations to draw conclusions from experiments.
By applying the scientific approach to the reward program proposed, we can be able to thoroughly investigate the results of the program using empirical methods.