The degrees of freedom are a function of the ____

The trichromatic theory states that ________

a. the visual system treats triads of color as antagonistic to each other. b. three types of color feature detectors in the visual cortex are responsible for color perception. c. three types of cones exist, each sensitive to a certain range of wavelengths. d. species that detect ultraviolet light perceive three colors that are outside of the range of humans.

_______________ allows a researcher to distinguish between a person's response bias and his or her actual sensory capacity

a. Threshold theory b. Signal-detection theory c. Weber's law d. Sensory adaptation