Ad recall lift
An estimate of the number of additional people who may remember seeing your ads, if asked, within 2 days. This metric is only available for assets in the Brand awareness, Post engagement and Video views Objectives.
Ad recall rate
The rate at which an estimated number of additional people, when asked, would remember seeing your ads within 2 days. This metric is only available for assets in the Brand awareness, Post engagement and Video views Objectives.
The metric is calculated as estimated ad recall lift divided by the reach of your ads.
Cost per ad recall lift
The average cost for each estimated ad recall lift.
The metric is calculated as the total amount spent divided by the estimated ad-recall lift rate (people)