Our third Methods 101 video explores some of the ways that nonprobability surveys differ from traditional probability-based polls. How do pollsters conduct surveys online and what does that mean for ...

Journal of Marriage and Family, Vol. 44, No. 4, Methodology: The Other Side of Caring (Nov., 1982), pp. 965-981 (17 pages) To make further improvements in the quality of family research, an adequate ...

Methods used to construct a spatial-temporal sampling frame to recruit a probability sample of female street prostitutes in the 4,000 square mile area of Los Angeles County are described. Of 164 ...

Pew Research Center’s international surveys are largely conducted via telephone or face-to-face interviews, depending on the country. (The exceptions are the United States and Australia, where surveys ...