This behavior is even more pronounced when there’s an interviewer present, rather than when the survey is self-administered. A better practice is to offer respondents a choice between alternative ...

Pew Research Center’s cross-national studies are fielded in a range of polling environments, from countries where telephone surveys are regularly administered to nations where face-to-face surveys are ...

Contact: Sasha Steinberg STARKVILLE, Miss.—Mississippi State rings true on its mission to provide students with a chance to present their innovative research, and the recent Fall Undergraduate ...

Protocol Published: 10 March 2016 Using Raman spectroscopy to characterize biological materials Holly J Butler, Lorna Ashton, Benjamin Bird, Gianfelice Cinque, Kelly Curtis, Jennifer Dorney, Karen ...

Proprietary research is not exempted. Methodologically, in all or nearly all cases, ABC News requires a probability-based sample, with high levels of coverage of a credible sampling frame.