Which is an example of an experiment?A.Calling a sample of registered voters before an election to find out what issues concern them mostB.Testing the effectiveness of a new hair product by allowing one group to use it and comparing results against a group that doesn't use itC.Collecting the cholesterol readings of a group of elderly people in a small townD.Interviewing college students to find what percentage expect a job immediately after graduationSUBMITarrow_backPREVIOUS
Question
Which is an example of an experiment?A.Calling a sample of registered voters before an election to find out what issues concern them mostB.Testing the effectiveness of a new hair product by allowing one group to use it and comparing results against a group that doesn't use itC.Collecting the cholesterol readings of a group of elderly people in a small townD.Interviewing college students to find what percentage expect a job immediately after graduationSUBMITarrow_backPREVIOUS
Solution
The example of an experiment among the options given is B. Testing the effectiveness of a new hair product by allowing one group to use it and comparing results against a group that doesn't use it. This is an experiment because it involves a controlled study where one variable (the use of the new hair product) is manipulated to observe its effect on another variable (the results, or effectiveness of the product). The other options involve surveys or observational studies, not experiments.
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