Explain an extraneous variable and a confounding variable

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Reference no: EM134038528

Assignment:

For this discussion board post, respond to one of the following:

. Explain how experimental manipulation of the independent variable helps a researcher manage the third variable problem and the directionality problem.

. Explain the difference between an extraneous variable and a confounding variable.

. Discuss the role and importance of manipulations checks in experimental research designs.

After you make your own post, don't forget to comment on at least two classmates; posts!

Reference no: EM134038528

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