Wong, Hoo Keat, and Ian Stephen. “Eye Tracker As an Implied Social Presence: Awareness of Being Eye-Tracked Induces Social-Norm-Based Looking Behaviour”. Journal of Eye Movement Research 12, no. 2 (August 7, 2019). Accessed July 9, 2020. https://bop.unibe.ch/JEMR/article/view/JEMR.12.2.5.