---
title: "Methodology"
description: "About the Pew Research Center’s Spring 2018 Global Attitudes Survey Results for the survey are based on telephone interviews conducted under the direction of Langer Research Associates. The results are based on national samples, unless otherwise noted. More details about our international survey methodology and country-specific sample designs are available here. Detailed information on survey […]"
date: "2018-08-28"
authors:
  - name: "Richard Wike"
    job_title: "Director, Global Attitudes Research"
    link: "https://www.pewresearch.org/staff/richard-wike/"
  - name: "Kat Devlin"
    job_title: "Former Research Associate"
    link: "https://www.pewresearch.org/staff/kat-devlin/"
url: "https://www.pewresearch.org/global/2018/08/28/u-s-views-of-china-methodology-2/"
categories:
  - "Global Economy & Trade"
  - "Global Trade"
  - "International Affairs"
---

# Methodology

About the Pew Research Center’s Spring 2018 Global Attitudes Survey

Results for the survey are based on telephone interviews conducted under the direction of Langer Research Associates. The results are based on national samples, unless otherwise noted. More details about our international survey methodology and country-specific sample designs are available [here](https://www.pewresearch.org/methodology/international-survey-research/).

[Detailed information on survey methods for this report](https://www.pewresearch.org/methodology/international-survey-research/international-methodology/global-attitudes-survey/united-states/2018/)

[General information on international survey research](https://www.pewresearch.org/methodology/international-survey-research/)