Which scenario best exemplifies the weapons effect?
a. A reporter goes to a gun show to cover a story for the local paper. On the way home he stops for lunch, and he finds himself acting aggressively and rudely to the waiter.
b. A gun owner finds that she acts tougher and colder now that she owns a gun.
c. A hardened criminal notices that a man has his hand in his pocket, and immediately assumes that the man is concealing a gun.
d. A country learns that another country is experimenting with nuclear technology, and immediately assumes that the other country is planning an attack.
A
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Which of the following is an example of a continuous variable?
a. The gender of each student in a psychology class b. The number of males in each class offered by the college c. The amount of time to solve a problem d. The number of children in a family
In one of the earliest social psychological experiments, Triplett (1898) had children wind fishing reels as quickly as they could. He found that
a. the children were fastest when observed by the experimenter. b. winding times were faster without an audience than with an audience. c. the children were faster when working next to another child rather than alone. d. the children were faster working alone than with a partner.
When a child understands that physical matter does not change in quantity despite changes in form or container, she should be able to do which of the following types of problems?
a. Categorization problem b. Classification problem c. Conservation problem d. Computational problem
Chemicals that pass information across the tiny gap between neurons are called:
A) neurotransmitters. B) phytohormones. C) gasotransmitters. D) semiochemicals.