Experiments lack internal validity when they fail to control for other factors, called
______ that might pose rival hypotheses for the results.
a. confounds c. blinds
b. placebos d. alternatives
A
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A survey of 300 professionals involved in their company's hiring process indicated that ____ use social networking sites to screen prospective employees and that they have rejected applicants based on what they found on those sites
a. 51% b. 66% c. 91% d. 86%
All but which of the following are suggestions in the text for successfully quitting smoking?
a. practice competing responses when tempted to smoke b. mentally rehearse the benefits of not smoking c. increase exposure to nonsmoking environments d. limit the availability of cigarettes e. set a date and try to quit all at once
When trying to explain the concepts of "fruit" and "vegetable," we may say "That potato is not a fruit, it is a vegetable.". In this example
a. potato is a positive exemplar of the prototype fruit. b. potato is a negative exemplar of the prototype vegetable. c. potato is both a negative and a positive exemplar, depending upon the prototype considered. d. none of these.
Researchers use a complicated statistical technique called __________ to identify the various intelligence tests measures
A) sample mean B) factor analysis C) sample proportion D) population variance