All the Following Are Explanations of Why Prevalence Rates for Externalizing

Multiple Choice

All the following are explanations of why prevalence rates for externalizing problems vary, except

A) rates differ with respect to the population studied (clinical versus community) .
B) rates differ with respect to how the behaviors are classified.
C) rates vary according to which behaviors are included.
D) rates vary by geographical location (the State) in which they are collected.