Archive for May, 2011

How Can We Believe What They Say? The Role of Missing and Validating Data in Panelists Demographic Information

Abstract:

The use of online panels (probability-based or volunteer opt-in) as a mode of data collection has become increasingly popular in market, social, psychological, and medical research (Callegaro and DiSogra 2009). The Nielsen online panel is one of the opt-in panels in the United States that is composed of respondents who voluntarily sign up (opt-in) to become members of the panel. Read more

2011
05/13
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Are you who you say you are? Using a Multisource Cross-validation Methodology for Panel Membership Information

Abstract:

Over the past few years, market researchers and clients working with data from non-probability online panels have voiced a number of data quality concerns over issues such as respondent identity, increased satisficing, and possible professionalization of survey taking. Recognizing the importance of having real, unique, and engaged panelists, panel companies are responding to these issues by introducing a variety of remedial measures such as name-address verification, email address verification, and validation of key demographic information against third-party databases. Read more

2011
05/13
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Survey Mode Effects on Data Quality: Comparison of Web and Mail Modes in a U.S. National Panel Survey

Abstract:

Web surveys are being increasingly incorporated into national survey data collection programs in the United States because of their cost/time-efficiencies. Yet, response rates and data quality issues in web surveys remain important challenges. As a basic study designed to better understand data quality in a mixed mode national survey, this article investigates the degree to which web versus mail survey modes affect unit and item responses. Findings indicate that the web survey mode produces a lower unit response rate compared to the mail mode. However, the web mode elicits higher data quality in terms of item responses to both closed- and open-ended questions. Read more

2011
05/12
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