With Respect to Telephone Interviews,which of the Following Does Not

Multiple Choice

With respect to telephone interviews,which of the following does not represent a problem for the researcher?

A) caller ID, which is common now in many households, may reduce the number of subjects that answer their phones
B) telephone surveys may reduce the risk to the researcher who would otherwise have to go door-to-door
C) telephone surveys are limited to those people with home phones
D) people can hang up, thus increasing the number of calls you must make