Which metric measures the percentage of people who take a desired action after being exposed to a campaign? By vmartinez Which metric measures the percentage of people who take a desired action after being exposed to a campaign? ROI. Bounce rate. Conversion rate. Reach. Related content Related questions:You used both Sponsored Products and Amazon DSP…Of Facebook’s 3 factors used to determine the winner…Page followers exposed to both organic and paid…Fill in the blank: _____ measures customer…