منابع مشابه
Investigating non-response bias in mail surveys.
Losses in follow-up that are biased with respect to outcome invalidate the results. There are many ways of dealing with non-response in follow-up studies. Three separate methods were used to investigate a potential bias in a mail survey of 2471 disabled people. At a response rate of 84%, the non-respondents were significantly different from the respondents with respect to the outcome, return to...
متن کاملResponse rates to mail surveys published in medical journals.
OBJECTIVE The purpose of this study was to characterize response rates for mail surveys published in medical journals; to determine how the response rate among subjects who are typical targets of mail surveys varies; and to evaluate the contribution of several techniques used by investigators to enhance response rates. METHODS One hundred seventy-eight manuscripts published in 1991, represent...
متن کاملIncreasing response rates in physicians' mail surveys: an experimental study.
It is becoming increasingly difficult to obtain high response rates in physicians' mail surveys. In 1983-84, we tested the effectiveness of two techniques among 604 Quebec physicians who had not responded to an initial letter. A handwritten thank you note at the bottom of the letter accompanying the questionnaire and a more personalized mailout package increased response rates by 40.7 per cent ...
متن کاملResponse Rates for Mixed-Mode Surveys Using Mail and E-mail/Web
This study examines response rates for mixed-mode survey implementation involving mail and e-mail/Web components. Using Dillman’s Tailored Design Method, 1,500 participants were sent a survey either (a) via mail with a follow-up contact via e-mail that directed them to a Web-based questionnaire or (b) via e-mail that directed them to a Web-based questionnaire with a follow-up contact via mail. ...
متن کاملAn Exploration of Timing of Online Surveys on Response Characteristics
REQUIRED) This paper conducts a study of responses of a web-based survey of opinion contributors to Amazon.com to explore contextual characteristics of the responses. These include the early versus cumulative response rates, best times to receive a survey request, best times to broadcast a survey request, coordination of the delays before response for different broadcast times. The survey is br...
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ژورنال
عنوان ژورنال: Kodo Keiryogaku (The Japanese Journal of Behaviormetrics)
سال: 2010
ISSN: 0385-5481,1880-4705
DOI: 10.2333/jbhmk.37.159