The Impact of Questionnaire Administration Mode on Response Rate and Reporting of Consensual and Nonconsensual Sexual Behavior

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Abstract
Computer-administered self-interviewing (CASI) has been advocated as a way of overcoming underreporting of sensitive sexual behaviors. The present study compared reports of consensual and nonconsensual sexual behaviors (including childhood and adulthood sexual victimization) among women using CASI (n = 1014) versus a self-administered questionnaire (SAQ; n = 318). Women, ages 18-30 years old, were recruited through random-digit dialing in the community. Response rates were significantly higher for the SAQ, which was sent and returned by mail (87.6% of those eligible), than for the CASI, which involved in-person assessment at a central location (61.4%). There were a few modest differences in reports of consensual or nonconsensual sexual behavior according to mode of administration, suggesting greater willingness to report sexual experiences among the SAQ sample. Mailed SAQ following telephone contact and with financial incentive may be a cost-effective way of obtaining data on sexual behavior from a community sample.