---
title: "Survey Methodology"
description: "Pew Values Update Results for the November 1997 Values Update Survey are based on telephone interviews conducted under the direction of Princeton Survey Research Associates among a nationwide sample of 1,165 adults, 18 years of age or older, during the period November 5-9, 1997 and November 13-17, 1997. For results based on the total sample, […]"
date: "1998-04-20"
authors:
  - name: "Seth Rubenstein"
url: "https://www.pewresearch.org/politics/1998/04/20/survey-methodology-10/"
categories:
  - "Politics & Policy"
---

# Survey Methodology

### Pew Values Update

Results for the November 1997 Values Update Survey are based on telephone interviews conducted under the direction of Princeton Survey Research Associates among a nationwide sample of 1,165 adults, 18 years of age or older, during the period November 5-9, 1997 and November 13-17, 1997. For results based on the total sample, one can say with 95% confidence that the error attributable to sampling and other random effects is plus or minus 3.5 percentage points.