An experiment in which an extraneous variable varies systematically with the IV is a(n) ________ experiment.
A) ex post facto
B) correlated-groups
C) confounded
D) true

Name: An experiment in which an extraneous variable varies systematically with the IV is a(n) ________ experiment. A) ex post facto B) correlated-groups C) confounded D) true
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A confounded experiment is one where an extraneous variable varies systematically with the independent variable, potentially affecting the results.

An Experiment in Which an Extraneous Variable Varies Systematically with the IV