A researcher compares the speeches of American presidents to determine the presidents' needs for Achievement. The researcher's research was influenced by which personality theorist's work?

Describe two things scientists have learned from the results of the Human Genome Project

What will be an ideal response

Research conducted with six-month-old babies and the visual cliff shows that the babies ________

a. do seem to perceive a difference between the shallow side and the deep side. b. show no reaction when placed on either side of the "cliff." c. seem to be afraid of the "cliff" only if their mothers look scared. d. use only monocular cues, but not binocular cues, to perceive depth.