Website polls and call-in phone surveys often yield unrepresentative results because they fail to use
A) operational definitions.
B) random sampling.
C) scatterplots.
D) double-blind procedures.

Question

Quizplus · Accepted Answer

Random sampling is a necessary aspect of obtaining a representative sample, and website polls and call-in surveys typically do not use random sampling methods. Other options, such as operational definitions, scatterplots, and double-blind procedures, do not directly address the issue of obtaining a representative sample.

Website Polls and Call-In Phone Surveys Often Yield Unrepresentative Results