When we are concerned that because of media coverage of violence in schools that research participants' ideas and attitudes about the topic of gun control have changed between the time we first measured them and the second time we measured them after the treatment was administered, we are dealing with the threat to internal validity known as
a. selection bias.
b. history.
c. maturation.
d. testing effect.
e. mortality.
B
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The rate of theft is high in a department store and a clerk has been warned that it must stop or the clerk could lose his job
The boss has also told the clerk that Mexican Americans are likely to shoplift and are probably responsible for most of the thefts in the store. So the clerk follows Mexican Americans around the store. This behavior is best explained by: a. The clerk's own prejudice b. The role expectation of the boss c. The personality issues of the clerk d. Lack of intergroup contact
Weber analyzed the classic characteristics of bureaucracy, which he referred to as the _____ bureaucracy
a. primary b. principle c. ideal type d. model
Nuclear weapons are held by ______ countries in the world.
A. 3 B. 6 C. 9 D. 12
The cost of a successful outcome for an infertile couple using IVF is:
a. $61,377 b. over $100,000 c. $15,000 d. $200,000 but insurance pays for most of it