Multiple Choice
Dwayne wants to design a good experiment and be sure it has internal validity.In other words, Dwayne wants to avoid:
A) uncontrolled variables that changes systematically with the independent variable
B) uncontrolled variables that changes systematically with the dependent variable
C) controlled variables that changes systematically with the independent variable
D) controlled variables that changes systematically with the dependent variable
Correct Answer:

Verified
Correct Answer:
Verified
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