During the BP Gulf Oil Crisis in the Summer of 2010

Multiple Choice

During the BP Gulf oil crisis in the summer of 2010, a local television news program routinely asked viewers to call in with their opinion about proposed solutions to the
Problem.These results were likely biased because

A) of a bad sampling frame.
B) of an undefined target population.
C) leading questions.
D) of a voluntary response sample.
E) of measurement error.