In this article, we adjust the Kuk randomized response model for collecting information on a sensitive characteristic for increased protection and efficiency by making use of forced "yes" and forced "no" responses. We first describe Kuk's model and then the proposed adjustment to Kuk's model. Next, by means of a simulation…

Findings on the reliability and cost-effectiveness of the use of cellular phones vis-à-vis face-to-face interviews in investigating health behaviors and conditions are presented for a national epidemiological sample from Lebanon. Using self-reported responses on identical questions, percentage agreement, ? statistics, and McNemar's test were used…

The wheel is shown to be (a) more reliable; (b) less susceptible to patterning of responses, while (c) the influence of ordering of scales on responses is reduced. (Author)

The two problems examined were the effect of observers in the typical classroom and the possibility of regional bias in local observers' data. (LN)

After a mailed questionnaire and two follow-ups, hard-core survey nonrespondents were contacted to ask why they had not responded and what they would have answered had they responded. Results from 28 subjects indicate that efforts to pursue nonrespondents may be unnecessary, because bias resulting from nonresponse appeared minimal. (SLD)

Three major methods of survey research, face-to-face interviews, telephone interviews, and mail questionnaires, are compared with respect to the quality of the data. The literature on experimental comparisons of these methods is reviewed, and the effects of the mode of data collection on aspects of data quality are examined. The effects of the…

Self-report questionnaires are frequently used in youth research, but doubt remains whether total anonymity affects the results. This study compared the responses of 704 mainly 16-17-year-old adolescents to self-report measures of various health indicators in 2 groups: anonymous and confidential collection. For most health indicators no…

The purpose of this study was to assess differences in demographic variables, mean attitude score, reliability of response, variability of response, and level of item completion among respondents to an initial survey mailing, to the first follow-up, to the second follow-up, and to a telephone interview. The first mailing included a cover letter,…

The question, "How many people are enrolled in public school adult education?" is presented. The current survey on Adult Education in the Public Education System is one of several surveys. Adult education is defined here as "organized instruction to meet the unique needs of persons beyond compulsory school age who have interrupted or completed…