---
title: "What’s Missing from National RDD Surveys? The Impact of the Growing Cell-Only Population"
date: "2007-06-20"
authors:
  - name: "Stacy Rosenberg"
url: "https://www.pewresearch.org/politics/2007/06/20/whats-missing-from-national-rdd-surveys-the-impact-of-the-growing-cell-only-population/"
---

# What’s Missing from National RDD Surveys? The Impact of the Growing Cell-Only Population