One disadvantage for stating hypotheses is that it potentially biases the researcher of the study from considering other possible explanations.
Correct Answer:
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Q28: Matching
-Directional hypothesis
A) Categorical variable
B) Quantitative variable
C) Extraneous
Q29: Matching
-Hair style
A) Categorical variable
B) Quantitative variable
C) Extraneous
Q30: Matching
-Treatment variable
A) Categorical variable
B) Quantitative variable
C) Extraneous
Q31: Matching
-Uncontrolled variable
A) Categorical variable
B) Quantitative variable
C) Extraneous
Q32: Exploring relationships in research questions helps us
Q33: A "variable is the same thing as
Q34: If a variable can be treated as
Q35: An extraneous variable that is not controlled
Q36: One way to control extraneous variables is
Q38: In general, it is a good idea
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