If we do not know the true functional relationship between the independent and dependent variable, then
A) our results are not statistically significant
B) we cannot accurately generalize our results to unexplored levels of the independent variable
C) our study will lack construct validity
D) our study will lack internal validity

Question

Quizplus · Accepted Answer

Without knowing the true functional relationship, it is difficult to generalize results to unexplored levels of the independent variable because the relationship may not hold outside the observed data range.

If We Do Not Know the True Functional Relationship Between