An issue affecting experimental outcomes: not measured, but interfering with the influence of the IV on the DV. Like mediated variables and confounding variables.

An issue affecting experimental outcomes: not measured, but interfering with the influence of the IV on the DV. Like mediated variables and confounding variables.








a. Threshold Effects
b. Extraneous Influences
c. Hawthorne Effect
d. Experimenter Effects









Answer: B


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