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AAPOR
The leading association
of public opinion and
survey research professionals
American Association for Public Opinion Research

Sampling, Weighting, and Design for Telephone Surveys

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Member Price: $130.00
Nonmember Price: $175.00

Student pricing available


Cell Phones: Current Practice and the Future of Telephone Interviewing
About This Course:

We are fast approaching the time where a typical telephone survey might not dial a single landline telephone number. The shift to cell phones has a number of important practical implications for sampling, operationalizing, and weighting/estimating of telephone surveys. Cell phones, as has been well documented, are less geographically precise compared to landlines; as well, there is far less appendable data with which to sample and identify potential survey respondents. Thus at the same time, survey methodologists wanting to conduct surveys of small populations or small geographies (or both) have less tools at their disposal and by definition must get more creative in their designs. An earlier version of this webinar was presented in early 2014…and much has changed in the past two years. Listed sample is far more widely available; options in geographic targeting have developed and in many ways, matured; scrubbing procedures continue to evolve; response rates have continued to drop; and more Americans have moved since first purchasing their cell phone.
 
This webinar will review and revise insight revealed in that 2014 webinar, and aim to make assessments on the future of cell phone surveying for general population research generally, and small area and/or small population research specifically.

Learning Objectives: 

  • Learn of the options available to conduct research with cell phones samples at a local level, and at a state-wide or national sample while oversampling for select populations of interest.
  • Learn of the costs and benefits of screening cell phone samples with a variety of techniques.
  • Gain an understanding of the issues, challenges, and considerations with regard to the future of telephonic research.


Design and Weighting for Dual Frame Surveys
About This Course:

The course will describe the reasons for considering dual frame surveys and the conditions under which the design is efficient. Dual frame designs with screening and overlapping units will be defined and the benefits and problems associated with each type of design will be discussed. Approaches to weighting dual frame surveys will be outlined, with an emphasis on the types of information needed to produce the weights and the types of errors (sampling and nonsampling errors) that are typically encountered in practice.

Learning Objectives:
  • Describe the advantages and disadvantages of dual frame surveys.
  • Identify principles for designing dual frame surveys.
  • List methods for weighting dual frame surveys.


Weighting Approaches for Dual Frame RDD Surveys
About this Course

Increasingly, random digit dial (RDD) telephone surveys feature samples of both landline and cell phone numbers.  Researchers have proposed an array of different approaches for weighting dual frame RDD surveys, but there is no consensus on which approach is best.  The goal of this webinar is to provide guidance to applied researchers on how to compute weights for dual frame RDD surveys.  The presentation focuses on the major steps involved weighting, with particular emphasis on the integration of landline and cell phone sample cases.  The strengths and weaknesses of several prominent approaches will be discusses. Researchers will come away with an understanding of how to develop a weighting protocol that will serve the research aims of their particular dual frame RDD survey.

Learning Objectives
  • Identify steps involved in computing weights for a dual frame RDD survey
  • Discuss error source(s) that each weighting adjustment is designed to address
  • Assess bias / variance trade-offs involved in weighting decisions