Taking a Broader Perspective: the Problem of External Validity the Advantage

Multiple Choice

Taking a Broader Perspective: The Problem of External Validity The advantage of unobtrusively observing eating behavior in a restaurant (Marston, London, Cooper, & Cohen, 1977) instead of a laboratory is that the unobtrusive approach seems to have

A) fewer risks of confounding.
B) greater external validity.
C) greater internal validity.
D) fewer risks of confounding and greater external validity.