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Use of Web and In-Person Survey Modes to Gather Data From Young Adults on Sex and Drug Use: An Evaluation of Cost, Time, and Survey Error Based on a Randomized Mixed-Mode Design

^* To whom correspondence should be addressed. E-mail: cnbflem{at}u.washington.edu.

	Abstract

In a randomized test of mixed-mode data collection strategies, 386 participants in the Raising Healthy Children (RHC) Project were either (a) asked to complete a survey via the Internet and later offered the opportunity to complete the survey in person or (b) first offered an in-person survey, with the Web follow-up. The Web-first condition resulted in cost savings although the overall completion rates for the 2 conditions were similar. On average, in-person-first condition participants completed surveys earlier in the field period than Web-first condition participants. Based on intent-to-treat analyses, little evidence of condition effects on response bias, with respect to rates or levels of reported behavior, was found.

First published on November 24, 2008, doi:10.1177/0193841X08326463

Evaluation Review 2009;33:138.

A more recent version of this article appeared on April 1, 2009


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