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Survey of U.S. Catholics and Family Life, 2015




The 2015 Survey of U.S. Catholics and Family Life is a nationally representative survey conducted by the Pew Research Center. It was administered by telephone (landline and cellphones) to a sample of 5,122 adult respondents of any religion. It covers an array of topics, including attitudes toward prominent figures, opinions on different kinds of romantic relationship, climate change, religion, and Catholicism in particular.

The ARDA has added six additional variables to the original data set to enhance the users' experience on our site.

Data File

Cases: 5122
Variables: 137
Weight Variable: WEIGHT

The combined sample is weighted using an iterative technique. Key demographic factors were adjusted to align with parameters from the 2013 Census Bureau's American Community Survey, the decennial census, and the 2014 National Health Interview Survey. Weights also considered the greater sampling probability of individuals who own both a landline and a cellphone. Household size also was accounted for among landline phone respondents. Individuals using the dataset should keep in mind that, "All point estimates should be derived from weighted data; point estimates based on unweighted data will not be representative of the U.S. population. Applying the variable WEIGHT to the dataset results in a nationally representative sample of U.S. adults" (Source: Pew Research Center 2015 Survey of U.S. Catholics and Family Life Background and Codebook).

Data Collection

May 5 - June 7, 2015

Original Survey (Instrument)

Pew Research Center 2015 Survey of U.S. Catholics and Family Life Background and Codebook

Funded By

The Pew Research Center

Collection Procedures

Interviews were administered over the phone (landline or cellphone) by interviewers at Princeton Data Source (Princeton Survey Research Associates International).

Sampling Procedures

Survey participants were interviewed on either a landline phone or a cellphone by interviewers at Princeton Data Source, directed by Princeton Survey Research Associates International. Surveys were administered in English and Spanish. Within the landline sample, the youngest adult male or female at home was asked to participate while the cellphone sample consisted of the person answering the phone, after it was established that the individual was at least 18 years old. For more information, please consult the methodology section on the Pew Research Center website.

Principal Investigators

The Pew Research Center

Related Publications

Smith, Gregory A. et al. 2015. "U.S. Catholics Open to Non-Traditional Families." The Pew Research Center.

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