Compared with mothers, fathers are more likely to make their infants

If you stare for 30 seconds at a red object and then look at a blank sheet of white paper, you will see a greenish image of the object. This phenomenon BEST supports the ______ theory of color vision

a. Grieco trichromatic b. opponent-process c. Helmholtz trichromatic d. Hering's vibration e. Ponzo's

Selena and Steve want their son, Manny, to attain full proficiency in English and Spanish. To achieve this goal, Manny's mastery of the second language should begin

A) in early adulthood. B) in early adolescence. C) in late adolescence. D) sometime in childhood.