Eye Tracking Scanpath Analysis on Web Pages: How Many Users?
Sukru Eraslan, Yeliz Yesilada, Simon Harper · 2016 · Proceedings of the Ninth Biennial ACM Symposium on Eye Tracking Research & Applications (ETRA)
This paper investigates how many participants are needed for reliable eye tracking scanpath analysis on web pages — a question that has been debated in usability research for over 30 years but never specifically addressed for scanpath studies. While the classic "magic number" of…
eye tracking · scanpath analysis · usability testing · sample size · web accessibility