In Order to Estimate Respondents' Satisfaction with Coke, a Researcher

Multiple Choice

In order to estimate respondents' satisfaction with Coke, a researcher asks "In a month, how frequently do you buy Coke?" Another researcher objects to the use of this scale stating that the scale captures purchase frequency and not customer satisfaction. One can say that the scale lacks:

A) reliability.
B) face validity.
C) application comprehension.
D) application assessment.
E) application stability.