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19 August, 08:58

In a controlled scientific experiment, a scientist A. alters one independent variable and observes the effects on other independent variables. B. alters the independent variable and observes the effects on the dependent variable. C. alters one dependent variable and observes the effects on other dependent variables. D. alters the dependent variable and observes the effects on the independent variable.

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  1. 19 August, 10:46
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    An experimental group is the group in an experiment that receives the variable being tested. One variable is tested at a time. The experimental group is compared to a control group, which does not receive the test variable. In this way, experimental groups are used to find answers in an experiment.
  2. 19 August, 12:24
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    Answer: The correct answer is it alters the test variable (independent variable) and observes the effects on the outcome variable (dependent variable).
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Home » Social Studies » In a controlled scientific experiment, a scientist A. alters one independent variable and observes the effects on other independent variables. B. alters the independent variable and observes the effects on the dependent variable. C.
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