Piaget judged whether infants understood object permanence on the basis of whether
a. they responded affirmatively during interviews.
b. a parent indicated that the ability was present.
c. they stared longer at impossible scenes than at possible scenes.
d. they searched for hidden or missing objects.
D
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The greatest gains in visual acuity occur
a. from 9-12 months of age. b. from 1-2 months of age. c. from birth to 6 months of age. d. not until late childhood.
Which of the following students provides the best summary of the research about using a video security system to recognize faces?
a. Alex: "Humans are skilled at face recognition; with these video systems, their face recognition is even more accurate." b. Magali: "With these video systems, people are accurate in recognizing familiar faces, but not unfamiliar faces." c. Emmanuel: "With these video systems, people are accurate in recognizing unfamiliar faces, but not familiar faces." d. Rose: "Unfortunately, the videos are typically so blurry that people have difficulty recognizing both familiar and unfamiliar faces."
Although Nguyen had never seen a porcupine, when his mother told him it was an animal, Nguyen knew that a porcupine must be alive, breathe, eat, and move about. Nguyen knew this because he has
a. a concept for animals. c. reversibility. b. object permanence. d. a memory of porcupines.
After placing a sheet of white paper in a dimly lit corner of the room, it appears to be darker. You know when you place it back in the light it will maintain its original appearance due to the perceptual principle of
A. motion parallax. B. stroboscopic illusion. C. brightness constancy. D. interposition.