True/False
A confounding variable is one that is related to the independent variable (the presumed cause)and that affects the dependent variable (the presumed effect),rendering a relational inference between the independent variable and the dependent variable ambiguous.
Correct Answer:
Verified
Correct Answer:
Verified
Q9: _ refers to the extent to which
Q10: Describe how random assignment helps to control
Q11: The _ design can offer considerably more
Q12: Since experimental independent variables will always be
Q13: An observational study manipulates an independent variable.
Q15: Parametric statistical test assumes that there is
Q16: A matched-subjects design often has the power
Q17: The major disadvantage of holding a variable
Q18: Statisticians can determine the effects of violating
Q19: A common strategy to control confounding variables