The Process of Multiple Operationalization Is Most Successful When

The process of multiple operationalization is most successful when:

A) diverse measures with non-overlapping sources of error are used
B) measures that are similar to each other are used to tap the same phenomenon
C) constructs are poorly defined
D) all measures used have similar sources of error
E) it is a specific statistical technique
F) it aims to control extraneous factors that may influence results
G) it can be either subjective or objective
H) it relies on systematic observation
I) it can only be applied to scientific theories