Infants show object permanence if the investigator measures which of the following?
a. How long infants stare at an apparently impossible event
b. Where infants hold their hands after seeing a toy covered or hidden
c. How often the infant looks back and forth between the mother and the experimenter
d. What sounds the infant makes after seeing a toy covered or hidden
a
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How do infants acquire a fear of crawling over unsafe edges? a. They develop the fear at a certain age, regardless of any experience. b. They develop the fear only after falling and getting hurt
c. They develop the fear only after their parents teach them to be afraid. d. They develop the fear after a couple weeks of crawling.
Gestalt psychologists have noted the rules in the way humans integrate bits and pieces of sensory stimulation into meaningful whole experiences. The rules are referred to as the laws of
a. bottom-up processing. c. perceptual organization. b. figure-ground perception. d. opponents process theory.
In human development, this layer develops into most of the internal organs.
A. the endoderm B. the mesoderm C. the ectoderm D. the blastoderm
Most natural sounds in the real world
a. have the same amplitude but different frequencies. b. are mixtures rather than pure tones. c. consist of frequencies that are narrow in range, but vary greatly in amplitude. d. usually have only one frequency and one amplitude. e. combine amplitudes and frequencies in basically the same way.