Dr. Wegner conducts a study to investigate the careers young adults are interested in pursuing using a sample of 100 Harvard honors students. What is the major problem with her sample?
a. It lacks internal validity.
b. It is unlikely that she can generalize across situations.
c. It is difficult to say with certainty that she can generalize across people.
d. It is too small in size to provide any meaningful information.
Answer: C
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In his story in Chapter 11, Cameron Dary led efforts to make a railroad crossing in his town safer, by:
a. helping to organize his friends b. collecting information on the problem c. meeting with the city council d. all of the above
"I really want to believe my vague recollection of an incident that occurred at Disneyland as a preschooler is true, but that doesn't mean that it is true." Which of the following critical thinking guidelines does this example illustrate?
a. Examine the evidence b. Define your terms c. Don't oversimplify d. Avoid emotional reasoning
A researcher, based on his review of relevant scientific studies, believes that there is a relationship between the frequency of a baby's crying and whether it was nursed at set intervals or on a demand schedule
If this belief were tested by experimentally manipulating feeding schedules, the feeding schedule would be called the: a. independent variable. b. dependent variable. c. extraneous variable. d. control factors.
__________ is a conditioned reinforcer
a. A slap b. Food c. A paycheck d. A fire e. Hunger