Why is it likely that people can report the time of a visual stimulus more accurately than the time of a voluntary decision to make a movement?
a. People are reluctant to describe their voluntary decisions.
b. Voluntary decisions are slow and gradual.
c. The visual cortex is larger than the motor cortex.
d. Visual stimuli activate the language areas as well as the visual areas of the brain.
b
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In Caleb's house, snacks are readily available, and this contributes to his weight gain. According to the bioecological model of development, snacks in the home are __________.
A. proximal influences B. biological factors C. distal influences D. inevitable
Motor reflexes undergo some transformations during infancy. What is the typical pattern of change? Think about reaching and grasping as an example
a. Motor control begins in the hands and fingers and moves toward the trunk. b. Motor control shifts from the feet to the hands and shoulders. c. Involuntary behavior disappears and voluntary behavior emerges with practice. d. Voluntary behavior becomes involuntary behavior.
Children tend to separate into same-gender groups
a. between the ages of 4 and 6 years. b. without being adult-driven. c. naturally and spend more time with same-gender peers from 6 to 12 years of age. d. All of these are true.
The overall rate of STDs is higher among women than men because
A) while men have more sexual partners than women, women are less likely to use adequate protection. B) women tend to receive less information about safe sexual practices. C) it is at least twice as easy for a man to infect a woman with any STD than for a woman to infect a man. D) rates of promiscuity in the last decade have risen sharply in U.S. women.