Extraneous variables are all variables other than the independent variables that affect the response of the test units.
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Q9: Extraneous variables are also called confounding variables
Q10: There is no problem developing experimental designs
Q11: Independent variables are the variables that measure
Q12: Causality refers to when the occurrence of
Q13: Concomitant variation is the extent to which
Q15: Price levels,package designs,and advertising themes are examples
Q16: An experiment is formed when the researcher
Q17: The everyday meaning of causality is more
Q18: In an after-the-fact examination of a situation,we
Q19: To control for extraneous variables,a researcher may
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