Pew Research Center Online Nonprobability Landscape Study (2015).

This dataset is from Pew Research Center’s Online Nonprobability Landscape Study (February–October 2015). It contains responses from 9,301 online opt-in (nonprobability) interviews collected through nine different sample vendors. The dataset is primarily used to evaluate the quality, bias, and weighting strategies of nonprobability online surveys compared with probability-based panels.

Data and Resources

Additional Info

Field Value
Source https://www.pewresearch.org/datasets/
Author Pew Reseach Center
Maintainer Gallup Pakistan
Last Updated August 27, 2025, 09:18 (UTC)
Created August 27, 2025, 09:17 (UTC)
Publisher Pew Reseach Center
Data Type non-geospatial
Data Source Primary Research
Organization Type Private organization
Category Demography