He believed that abstract shapes (the square ... yellow was the most common triangle color, and people really don't agree on the right color for a circle. What's interesting is that some of ...

Three colors (i.e., blue, yellow, and red) and shapes (i.e., square, triangle, and circle) generated nine color-shape combinations, with the three shapes displayed as black-line sketches.

He believed that abstract shapes (the square ... yellow was the most common triangle color, and people really don't agree on the right color for a circle. What's interesting is that some of ...