The data in this Pew Research Center report is drawn from a national cross-sectional survey conducted by Westat. The sampling design of the survey was an address-based sampling (ABS) approach, ...

Results for the survey are based on telephone interviews conducted under the direction of Gallup and Langer Research Associates. The results are based on national samples, unless otherwise noted. More ...

Survey nonresponse has consequences, most notably the potential for nonresponse bias. The techniques and procedures for dealing with nonresponse bias depend on how one approaches the problem. Singer ...

BERA launched its ‘State of the Discipline’ initiative in 2019 with the aim of offering ‘a clear, comprehensive account of the state of education as an academic discipline’. As part ...

In a paper initially prepared for the planning meeting for this review, Peytchev (2013) observes that drawing “unbiased inference from probability-based surveys relies on the collection of data from ...