The experimental treatment initiated by a researcher can be described as what kind of variable?
a. Independent
b. Dependent
c. Extraneous
d. Outcome
ANS: A
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A The experimental treatment is the independent variable.
B The dependent variable is the outcome variable.
C An extraneous or intervening variable can interfere with establishing causality between the independent and dependent variable.
D The outcome variable is the dependent variable.
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