___________ is a set of techniques for presenting users with personalized information that's based on aggregate data collected from other users.
A) card sorting
B) collaborative filtering
C) obtrusive observation
D) usability testing

Question

Quizplus · Accepted Answer

Collaborative filtering is a method used to make automatic predictions (filtering) about the interests of a user by collecting preferences from many users (collaborating). This technique is often used in recommendation systems to suggest products, services, or content to users based on what similar users have liked or disliked.

___________ Is a Set of Techniques for Presenting Users with Personalized