(A) Longer watch sessions
(B) More Red subscribers
(C) Increased view counts
(D) Higher visibility in search
You might target the Longer watch sessions metric to lift ad revenue because a longer watch session means the viewer is more likely to see one or multiple ads. A higher number of ads means an increase in revenue.
This question is a part of the Check your Knowledge section of the “Data for content owners” lesson from the YouTube Content Ownership course.