What we learned about online nonprobability polls
The advantages of these online surveys are obvious – they are fast and relatively inexpensive, and the technology for them is pervasive. But are they accurate?
The advantages of these online surveys are obvious – they are fast and relatively inexpensive, and the technology for them is pervasive. But are they accurate?
Telephone surveys face numerous challenges, but some positive developments have emerged, principally with respect to sampling.