Berla, Edward P., Murr, Marvin J. (1975): Psychophysical functions for active tactual discrimination of line width by blind children. In Perception and Psychophysics, 17 (6) pp. 607-612.
Download our free ebook The Basics of User Experience Design to learn about core concepts of UX design.
In 9 chapters, we’ll cover: conducting user interviews, design thinking, interaction design, mobile UX design, usability, UX research, and many more!