Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
An illustration of the participant study flow. Step 1: The participant goes through an eye-tracking calibration scenario. Step 2: The eye-tracking calibration is validated with a 5-point validation scenario presented on a smartphone screen. Step 3: The participant logs in to their social media account and opens the main feed. Step 4: The participant browses their feed in a self-paced session, where the ads have been inserted every 5th post.
