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 ...

This report presents estimates of the number of unauthorized immigrants in the United States as of July 2023 and for earlier ...

Journal of Agricultural, Biological, and Environmental Statistics, Vol. 24, No. 1 (March 2019), pp. 26-48 (23 pages) When conducting a national survey or census, administrative data may be available ...

Survey research is sometimes regarded as an easy research approach. However, as with any other research approach and method, it is easy to conduct a survey of poor quality rather than one of high ...