How do you measure the ROI of a growth marketing campaign?

"I'm very systems-oriented in my approach to such things. I love my spreadsheets and am always tracking and reviewing all the data. I'd study the key performance indicators of the goals of our strategy. Carefully reviewing and measuring the metrics from the analytics of the website traffic, our click-through rates, attribution, etcetera, I'd cross every T and dot every I, and thereby determine the growth and our return on investment."

Your interviewer wants to know your experience level and approach to maximizing the cost-effectiveness of your marketing campaigns. How you answer will offer them insights into your work style and work ethic. It could also indicate how compatible you are with their organization and how calculated your risk-taking truly is. Showcase your skill level by sharing what tools you used to ensure the success of your campaigns. Examine their approach, incorporating some of their language into your answer.