We will discuss Ian Spence’s 1990 paper “Visual Psychophysics of simple graphical elements”. Make sure to read (or at least read over) the paper below.
Spence, I. (1990). Visual psychophysics of simple graphical elements. Journal of Experimental Psychology: Human Perception and Performance, 16(4), 683–692. https://doi.org/10.1037/0096-1523.16.4.683