Researchers have many methods they can choose from when conducting surveys — telephone, face-to-face, interactive voice response (IVR), web, and paper and pencil. Deciding which method best fits their study’s objectives is one of the most important choices they will make and is crucial to constructing a research design. …
The survey research community has researched mode differences extensively. The following examples highlight a few differences Gallup has found in its own research. CONT.
Jenny Marlar, Gallup