Which of the Following Is an Inaccurate Statement

Multiple Choice

Which of the following is an inaccurate statement?

A) The independent and dependent variables must be operationally defined for the purposes of experimentation.
B) The independent and dependent variables are most often operationally defined before the experiment begins.
C) It is possible for the independent and dependent variables to be operationally defined after a wide variety of observations are made.
D) The independent and dependent variables can never be operationally defined after a wide variety of observations occur.