Real Studies. Consider the following statistical studies.
a. Identify the population and the population parameter of interest.
b. Describe the sample and sample statistic for the study.
c. Identify the type of study.
d. Discuss what additional facts you would like to know before you believed the study or acted on the results of the study.
One hundred people in the 60–70 and 71–82 age categories were given cognitive tests. It was discovered that those participants who were given a suggestion that their age might affect their performance on the test actually did worse on the test (Experimental Aging Research).
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