What Is the Biggest Difference Between a Variable and a Construct

Multiple Choice

What is the biggest difference between a variable and a construct?

A) Constructs are based on theory, whereas variables are based on empirical evidence reported in prior research.
B) Variables predict constructs.
C) Constructs predict variables.
D) Variables are measured directly, whereas constructs can be measured only indirectly by the several indicator variables.
E) Constructs are hypothesized prior to data collection and generally emerge from the literature review, whereas variables result from data analysis.