Assume that an abusive caregiver shakes an infant to get her to stop crying. The infant stops crying because of which of the following mechanisms?
The infant is so startled by the shaking that she can't cry.
Blood vessels in her brain rupture and neural connections break.
Experience-dependent learning has taught her to stop crying.
The infant's airway is damaged by the shaking.
Blood vessels in her brain rupture and neural connections break.
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As Dan has grown older, he has adjusted his group of friends to include those who he feels he needs for emotional support, and others he needs for instrumental support, like helping him fix his bicycle. This is an example of:
a. social convoy model c. familialism b. socioemotional selectivity theory d. received an perceived support
According to the concept of preparedness, which stimulus would make the most effective CS in a fear conditioning experiment?
A) gun B) spider C) flower D) rabbit
The subject matter of psychology largely consists of
a. observable behavior of humans. b. unobservable behavior of humans. c. observable behavior of other species of animals. d. observable behavior of humans and other species of animals.
Dr. Manquero forms the hypothesis that ingesting chocolate prior to an exam will improve exam performance. She gives half of her participants chocolate and the other half gum. She then gives the participants an exam. In this experiment, what is the best way to divide the participants into groups?
a. Make sure that each group wants to eat the chocolate or chew the gum. b. How the groups are formed doesn't matter. c. Have all males in one group and all females in the other. d. Use random assignment.