Answer:
The correct answer is - it provides an assessment of the effects of a particular decision.
Step-by-step explanation:
An impact study is a study to observe and analyze the effects of the introduction of a new decision in a system. A new decision for policy or research, that may have results could be expected and unexpected. An impact study helps in understanding the results.
It helps in determining the change by a particular decision. These types of studies inform decision-makers about any economic, social, and environmental effects.