Outcome-dependent sampling designs are strategic methodologies in longitudinal research that prioritise the selection of study subjects based on observed outcomes. Rather than relying on random ...
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, ...
Between Nov. 17, 2019, and March 23, 2020, Pew Research Center completed 29,999 face-to-face interviews with non-institutionalized adults ages 18 and older living in 26 states and three union ...
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