What kind of problem will Dr Williams face when attempting to study infants' ability to discriminate between different colors?

Question

Quizplus · Accepted Answer

Hue and luminance (brightness) are often confounded in color perception. In other words, changes in hue often coincide with changes in luminance, making it difficult to determine which aspect of the stimulus the infants are attending to when discriminating between colors. This confounding variable could create a problem when studying infants' ability to discriminate between different colors.

What Kind of Problem Will Dr Williams Face When Attempting