When Latan and Darley (1970) later tested the effects of the number of by standers on whether people intervene in an emergency, they left the laboratory and staged a fake theft at a convenience store. This new study was
A) covered in the New York Times.
B) a non-experimental field study that supported experimental results.
C) an enhancement of the internal validity of their theory because of its high mundane realism.
D) unsuccessful, demonstrating the low external validity of their lab experiments.