What is the extent to which an experiment has effectively controlled for confounding variables?
a. external validity
b. case study
c. internal validity
d. confounding variable

C) Internal Validity

Explanation:

Internal validity in terms of confounding variable is defined as the control mechanism which monitors an experiment so that confounding does not occur.As confounding mechanism can result in more than one cause to occur at the same ti me of research or experiment.Thus , confounding is controlled to decrease it and increasing the internal validity

Other option are incorrect because external validity permits occurrence of external variable in research and experiment.Case study is the content research in form of case.Confounding variable produce numerous cause at a particular time. Thus, the correct option is option(C).

false

true

true

false

true

jefferson hoped to establish trade with the native american people of the west and find a water route to the pacific. jefferson also was fascinated by the prospect of what could be learned about the geography of the west, the lives and languages of the native americans, the plants and animals, the soil, the rocks, the weather, and how they differed from those in the east.

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