A young woman tells her physician that she is troubled by pain and tingling sensations in her legs. It is likely that she will be evaluated for

The rate of learning is fastest at the ________ of a learningcurve

A) beginning B) middle C) end D) both beginning and end

The trichromatic and opponent process theories of color vision are not in conflict because each corresponds to ______

a. a different portion of the spectrum b. the opposite half of perceivable colors c. one of the types of color blindness d. a different stage of visual processing