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
Q210: An inactive or inert substance that appears
Q211: An experiment that does not allow for
Q212: A placebo is:
A)an active drug that is
Q213: Fred's advisor noticed that he had not
Q214: In a single-blind study:
A)each participant is part
Q216: A researcher was investigating the link between
Q217: Random assignment ensures:
A)correlations are accurate
B)each participant in
Q218: If random assignment is used, researchers assume
Q219: When research participants are uncertain whether they
Q220: Jeff plans to conduct a small experiment
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