an experiment can be assumed to have internal validity if multiple choice all variables other than the independent variable are kept constant. the dependent variable is valid. confounding variables are present. there is a strong manipulation of the independent variable.

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16-12-2022
Mathematics

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an experiment can be assumed to have internal validity if multiple choice all variables other than the independent variable are kept constant. the dependent variable is valid. confounding variables are present. there is a strong manipulation of the independent variable.

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smecloudbird18 smecloudbird18 · Answer 1 · 2022-12-21T04:23:46-05:00

An experiment can be assumed to have internal validity if random assignment and experimental control is employed. So the option c is correct.

The degree to which a study reliably establishes a cause-and-effect link is a sign of its internal validity. The procedures used in the study and the level of care done have a significant impact on this type of validity.

Internal validity is essential because, if proven, it enables alternate explanations for a discovery to be disregarded.

An experiment can be assumed to have internal validity if random assignment and experimental control is employed. So the option c is correct.

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The right question is:

An experiment can be assumed to have internal validity if:

A. the dependent variable is valid.

B. there is a strong manipulation of the independent variable.

C. random assignment and experimental control is employed.

D. confounding variables are present.