---
title: "A ’Brute Force’ Estimation of the Residence Rate for Undetermined Telephone Numbers in an RDD Survey"
date: "2008-03-20"
authors:
  - name: "Stacy Rosenberg"
url: "https://www.pewresearch.org/politics/2008/03/20/a-brute-force-estimation-of-the-residence-rate-for-undetermined-telephone-numbers-in-an-rdd-survey/"
---

# A ’Brute Force’ Estimation of the Residence Rate for Undetermined Telephone Numbers in an RDD Survey