Briñol and Petty (2003) conducted a study in which participants were presented strong or weak arguments on an issue while they were either shaking or nodding their heads to test the durability of headphones. Why did head movements matter?
a. It was a subtle way to make participants feel more or less confident.
b. It kept participants alert during the lengthy message they heard.
c. It was to test the durability of the headphones in the study.
d. It was to distract participants from the message.
Answer: A
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Which statement about encopresis is true? a. Encopresis is more common in girls than boys
b. Up to 3% of 5 year old children are estimated to have encopresis. c. Encopresis usually results from defiance. d. Encopresis may be associated with abnormal defecation dynamics.
The gate-control theory of pain suggests that
a. the pain signals must pass through a kind of "gate" located in the spinal cord. b. the skin receptors act as a gate for the pain sensation. c. the cortex blocks pain unless released by substance P. d. the gate is a physical structure that blocks pain signals. e. there are mechanisms at each level of the brain that can selectively block pain. messages.
________________ argued that language acquisition must occur before puberty
a. Lenneberg. b. Noam Chomsky. c. Paul Broca. d. Wernicke.
________ occurs when neurons that are seldom stimulated lose their connective fibers
A) Lateralization B) Synaptic pruning C) Cerebral dominance D) Cortical overproduction