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In an experiment, the independent variable __________.
A.
always influences the dependent variable
B.
is the same for all groups in an experiment
C.
is influenced by the dependent variable
D.
is manipulated or varied by researchers

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EternalRose1121
D) is manipulated or varied

Answer:The correct answer is option D.

Explanation:

Independent variables are those variables which do not dependent on any other variable.These are those variables which can be controlled or varied by researchers to test their effect on the dependent variables.

Dependent variables are those variables which depends upon independent and other dependent variables.

Hence, from the given the option the correct answer is option D.

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