Extraneous variables

a. reduce power and increase the likelihood of a Type 2 error.
b. increase power and reduce the likelihood of a Type 2 error.
c. reduce power and reduce the likelihood of a Type 2 error.
d. increase power and increase the likelihood of a Type 2 error.


a

Psychology

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The leading cause of injury-related death for children ages 5 to 14 is __________.

A. drowning B. motor vehicle traffic accidents C. fires and burns D. firearms

Psychology

Joseph said that several years ago in a long food line in the Soviet Union, an elderly woman fell to the ground and died of a heart attack. No one helped her. He added that this lack of helping is probably due to a social psychological concept called "diffusion of responsibility." Joseph is fulfilling which goal of psychology?

A. to explain behavior B. to predict behavior C. to control behavior D. to influence behavior

Psychology

While doing an autopsy of a brain, Dr. Howard shakes her head in disgust, saying, "This is just awful.". When an assistant asks her what she sees, she says, "Two words ... deformed axons.". What was the source of Dr. Howard's disgust?

a. Neuritic plaques b. Neurotransmitters c. Presbycusis d. Neurofibrillary tangles

Psychology

What did Solomon Asch discover in his series of experiments on conformity?

a. People tend to believe that their opinions are more objective and rational than those of others. b. People are very able to resist pressures to conform to the standards of others. c. People conform to the rules of a group because they have a need to empathize with others. d. People are very susceptible to the opinion of others and have a great need to conform.

Psychology