A researcher would like to describe and compare the attitudes of four different ethnic groups of students at a local state college. To obtain participants for the study while ensuring sufficient numbers of participants from each of the ethnic groups, the researcher should probably use ____ sampling
a. simple random
b. stratified random
c. cluster random
d. systematic
b
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Which of the following students provides the most accurate summary of the information regarding the psychological aspects of HIV/AIDS?
a. Mary: "Almost all people remain deeply depressed for many months after they learn that they are HIV-positive.". b. Ali: "Fortunately, very few HIV-positive individuals experience discrimination or rejection from other people.". c. Magda: "People report widely different reactions from friends and family—from warmth and support, to complete rejection.". d. Francis: "Unfortunately, there has been surprisingly little research on the psychological aspects of HIV and AIDS.".
Recent research on agoraphobia suggests that ____
a. a genetic marker on chromosome 5 is the likely cause b. repressed memories are the key causal factors c. cognitions may play a major causal role d. the disorder is inherited from the mother
Advertisers often gain attention when selling a product by
a. utilizing the "soft sell.". b. increasing the viewer' habituation. c. using motives, such as anxiety and sex. d. creating inattentional blindness to the advertiser's intentions.
Dan believes that happiness has little to do with material possessions. He makes a specific prediction that people who win the lottery will not be any happier than they were before winning. This testable prediction is termed a(n):
A) experiment. B) conclusion. C) theory. D) hypothesis.