d . Only one experimental variable is used in a controlled experiment .
e . Published research should provide enough detail to allow anyone to repeat the experiment in the same manner .
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Question 10
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Question text
Which statement regarding the scientific method is false ?
Select one :
a . Hypotheses are tentative explanations of observed phenomena .
b . A hypothesis may become a theory , which may become a law .
c . Deductive reasoning is often used in the design of an experiment .
d . A control group is always exposed to the factor being tested .
e . Conclusions are formed after an experiment is conducted .
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