---
title: "Methodology"
description: "Results for the survey are based on telephone interviews conducted under the direction of Princeton Survey Research Associates among a nationwide sample of 1,263 (997 registered voters) adults , 18 years of age or older, during the period October 18-22, 2000. For results based on the total sample, one can say with 95% confidence that […]"
date: "2000-10-25"
authors:
  - name: "Stacy Rosenberg"
url: "https://www.pewresearch.org/politics/2000/10/25/methodology-26-3/"
---

# Methodology

Results for the survey are based on telephone interviews conducted under the direction of Princeton Survey Research Associates among a nationwide sample of 1,263 (997 registered voters) adults , 18 years of age or older, during the period October 18-22, 2000. 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 percentage points. For results based on registered voters (N=997), the sampling error is plus or minus 3.5 percentage points. For results based on likely voters (N=663), the sampling error is plus or minus 4.5 percentage points. For results based on either Form 1 (N=484) or Form 2 (N=513) registered voters, the sampling error is plus or minus 5 percentage points.