Question

Which of the following is true concerning independent and dependent variables in classical experiments?
a. a variable can be an independent in one experiment and a dependent in another
b. once a variable is designated as an independent variable in one experiment, it can never be used as a dependent variable in another
c. a classical experiment examines the effect of a dependent variable on an independent variable
d. an independent variable in a classical experiment is viewed as the effect because it is dependent upon another variable

Answer

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