---
"title": "Appendix A: Summary of mode differences by question"
"description": "[![](https://alpha.pewresearch.org/pewresearch-org/wp-content/uploads/2017/03/PM.03.30.2017_mode.effects-appB-01.png){.aligncenter width=400}](https://alpha.pewresearch.org/pewresearch-org/2017/03/31/appendix-a-summary-of-mode-differences-by-question/pm-03-30-2017_mode-effects-appb-01/)"
"date": "2017-03-31"
"authors":
  -
    "name": "Pew Research Center"
"url": "https://alpha.pewresearch.org/pewresearch-org/methods/2017/03/31/appendix-a-summary-of-mode-differences-by-question/"
"categories":
  - "Donald Trump"
  - "Nonprobability Surveys"
  - "Survey Methods"
  - "Telephone Surveys"
---

# Appendix A: Summary of mode differences by question

[![](https://alpha.pewresearch.org/pewresearch-org/wp-content/uploads/2017/03/PM.03.30.2017_mode.effects-appB-01.png){.aligncenter width=400}](https://alpha.pewresearch.org/pewresearch-org/2017/03/31/appendix-a-summary-of-mode-differences-by-question/pm-03-30-2017_mode-effects-appb-01/)

[![](https://alpha.pewresearch.org/pewresearch-org/wp-content/uploads/2017/03/PM.03.30.2017_mode.effects-appB-00.png){.aligncenter width=400}](https://alpha.pewresearch.org/pewresearch-org/2017/03/31/appendix-a-summary-of-mode-differences-by-question/pm-03-30-2017_mode-effects-appb-00/)

---

**Next:** [Appendix B: Mode effects as a source of error in political surveys](https://alpha.pewresearch.org/pewresearch-org/methods/2017/03/31/appendix-b-mode-effects-as-a-source-of-error-in-political-surveys/markdown)