In science, a theory Select one: A. is more narrow in scope than a hypothesis. B. is held to be an absolutely correct answer to a question. C. cannot be tested. D. is tested by an experiment. E. encompasses many hypotheses. The purpose of a control group in an experiment is Select one: A. to prove the prediction. B. to prove the hypothesis. C. for comparison to the other test groups. D. for comparison to the results of other experiments. E. to control the dependent variable.
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Madhur L.
In science, a theory is tested by an experiment. It is more narrow in scope than a hypothesis and encompasses many hypotheses. It can be tested and is not held to be an absolutely correct answer.
The main purpose of any single experiment is to Select one: a. answer as many key questions as possible b. avoid a merely comparative analysis. c. prove unambiguously that a particular hypothesis is correct d. obtain accurate quantitative measurements e. test a prediction that is based on a hypothesis;
Melissa N.
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