Random error refers to change in the measurement of a variable that can be attributed to
a. confounding.
b. chance
c. systematic error
d. the amount of time between measurements
b
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Which of the following is an example of a neural change in vision?
A) presbyopia B) glaucoma C) loss of rods and cones in the retina D) development of opaque areas in the vitreous
Research found that competition between groups increased energy-saving behavior. However, research by Sherif and his colleagues (1961) at the boys' summer camp might caution against overdoing the competition because what could happen?
a. The groups could become hostile with and even prejudiced against one another. b. The groups could catch on to what the researchers were doing and quit saving energy. c. The groups could elect a leader to monitor the relationships within the group. d. The groups could punish the members for not saving enough energy.
Balance theory suggests that a relationship between two people will be balanced when:
a) they are of similar physical attractiveness b) they share the same values c) material and psychological resources are exchanged equally between individuals d) they share similar genes
Your roommate Joel is depressed. As a result, you will tend to become:
A. more optimistic about your own life. B. somewhat depressed yourself. C. more accepting of people suffering from psychological disorders. D. more studious and committed to achieving academic success.