Results 21 to 30 of about 42,785 (310)
Nonresponse Error in Mail Surveys: Top Ten Problems
Nursing Research and Practice, 2011 Conducting mail surveys can result in nonresponse error, which occurs when the potential participant is unwilling to participate or impossible to contact. Nonresponse can result in a reduction in precision of the study and may bias results.
Jeanette M. Daly +3 more
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Photoperiod Nonresponsive Siberian Hamsters: Effect of Age on the Probability of Nonresponsiveness [PDF]
Journal of Biological Rhythms, 1997 Groups from three different breeding lines of Siberian hamsters (UNS = general colony animals, PNRa = selected for photoperiod nonresponsiveness as adults, PNRj = selected for photoperiod nonresponsiveness as juveniles) were exposed to short days at weaning and again as adults (Experiment 1) or only as adults (Experiment 2).
D A, Freeman, B D, Goldman
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Implementation of the forced answering option within online surveys: Do higher item response rates come at the expense of participation and answer quality? [PDF]
Psihologija, 2015 Online surveys have become a popular method for data gathering for many reasons, including low costs and the ability to collect data rapidly. However, online data collection is often conducted without adequate attention to implementation details.
Décieux Jean Philippe +3 more
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Item-nonresponse in a household sample survey in Colombia
Revista UIS IngenierÃas, 2021 Item nonresponse occurs when sample units do not provide information on a particular variable, problem that may affect the representativeness of the sample and the reliability of the estimates.
Josefa Ramoni-Perazzi +2 more
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Unit Nonrespondents in a Taiwan Telephone Survey
Asian Journal for Public Opinion Research, 2016 Researchers have been perplexed by the issue of unit nonresponse since the beginning of practicing survey research and have been attentive to the causes that lead to the occurrence of unit nonresponse as well as the impact of unit nonresponse.
Kuang-hui Chen
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Survey Research Methods, 2011 Nonresponse follow-up studies are often conducted to understand whether respondents and nonrespondents differ on survey variables of interest in sample surveys.
Kristen Olson +2 more
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Improving Standard Poststratification Techniques For Random-Digit-Dialing Telephone Surveys
Survey Research Methods, 2008 Random-digit-dialing surveys in the United States such as the Behavioral Risk Factor Surveillance System (BRFSS) typically poststratify on age, gender and race/ethnicity using control totals from an appropriate source such as the 2000 Census, the Current
Michael P. Battaglia +2 more
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The effect of events between waves on panel attrition
Survey Research Methods, 2015 Panel surveys suffer from attrition. Most panel studies use propensity models or weighting class approaches to correct for non-random dropout. These models draw on variables measured in a previous wave or from paradata of the study. While it is plausible
Mark Trappmann +2 more
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Nonignorable item nonresponse in panel data
Statistical Theory and Related Fields, 2022 To estimate unknown population parameters based on panel data having nonignorable item nonresponse, we propose an innovative data grouping approach according to the number of observed components in the multivariate outcome $ \boldsymbol {y} $ when the ...
Sijing Li, Jun Shao
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Survey Research Methods, 2017 Various forms of auxiliary information are being sought to augment survey samples and adjust for possible nonresponse bias in key survey estimates. Auxiliary data options are typically limited in most general population surveys and there are questions ...
Joseph Sakshaug +2 more
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