Noncoverage and nonresponse in an Internet survey

Couper, Mick P.; Kapteyn, Arie; Schonlau, Matthias; Winter, Joachim

doi:10.1016/j.ssresearch.2005.10.002

Cited by 222 publications

(154 citation statements)

References 19 publications

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“…However, there is not a clear relationship between response rate and non-response bias (Groves, 2007;Champ and Welsh, 2007); in other words, a higher response rate does not necessarily make a sample more representative of the target population. However, Couper et al (2007) note that web survey respondents tend to be disproportionately younger and of higher socioeconomic status than non-respondents. A third limitation of web-based surveys is coverage error, where as of 2006, Internet penetration in Canada was 67.5% of the population (Internet World Stats, 2007).…”

Section: The Datamentioning

confidence: 99%

Combining stated and revealed choice research to simulate the neighbor effect: The case of hybrid-electric vehicles

Axsen

Mountain

Jaccard

2009

Resource and Energy Economics

235

111

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According to intuition and theories of diffusion, consumer preferences develop along with technological change. However, most economic models designed for policy simulation unrealistically assume static preferences. To improve the behavioral realism of an energy-economy policy model, this study investigates the ''neighbor effect,'' where a new technology becomes more desirable as its adoption becomes more widespread in the market. We measure this effect as a change in aggregated willingness to pay under different levels of technology penetration. Focusing on hybrid-electric vehicles (HEVs), an online survey experiment collected stated preference (SP) data from 535 Canadian and 408 Californian vehicle owners under different hypothetical market conditions. Revealed preference (RP) data was collected from the same respondents by eliciting the year, make and model of recent vehicle purchases from regions with different degrees of HEV popularity: Canada with 0.17% new market share, and California with 3.0% new market share. We compare choice models estimated from RP data only with three joint SP-RP estimation techniques, each assigning a different weight to the influence of SP and RP data in coefficient estimates. Statistically, models allowing more RP influence outperform SP influenced models. However, results suggest that because the RP data in this study is afflicted by multicollinearity, techniques that allow more SP influence in the beta estimates while maintaining RP data for calibrating vehicle

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Section: The Datamentioning

confidence: 99%

Combining stated and revealed choice research to simulate the neighbor effect: The case of hybrid-electric vehicles

Axsen

Mountain

Jaccard

2009

Resource and Energy Economics

235

111

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“…Cronbach's a can be affected by multidimensionality which affects its precision, thus it should be used when there is only one single common factor in order to measure the strength of this factor [38]. Therefore, unidimensionality should be established first by principal component analysis (PCA) [38].…”

Section: Statisticsmentioning

confidence: 99%

“…Therefore, unidimensionality should be established first by principal component analysis (PCA) [38]. PCA using the Kaiser-Meyer-Olkin (KMO) and Bartlett's test was conducted on both the English and the Greek versions of SCIM III.…”

Section: Statisticsmentioning

confidence: 99%

Translation into Greek and initial validity and reliability testing of a modified version of the SCIM III, in both English and Greek, for self-use

Migliore

Marston²,

Souza

2015

Disability and Rehabilitation

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Purpose: To translate and culturally adapt the Spinal Cord Injury Measure version III (SCIM III) into Greek (GR-SCIM III). To conduct initial testing of psychometric properties of both measures by self-report. Method: Forward-backward translation was conducted to produce the GR-SCIM III. Participants completed the English or Greek versions in [2008][2009]. Both versions were examined for multidimensionality, internal consistency and concurrent/criterion validity with the EQ-5D. Results: Forty-five Greek adults with spinal cord injury (SCI) (23 males), mean age 61 (SD17) years; mean time since injury 11 (SD9) years, completed the GR-SCIM III. One hundred and seventy four English-speaking adults with SCI (111 males), mean age 47 (SD12) years; mean time since injury 12 (SD11) years, completed the SCIM III. Unidimensionality was confirmed for both versions. Internal consistency was acceptable (a ¼ 0.78 for both). Validity was strong for the ''self-care'' subscale (GR-SCIM III r ¼ À0.78, SCIM III r ¼ À0.75) and moderate for the ''mobility'' subscale (GR-SCIM III r ¼ À0.58, SCIM III r ¼ À0.45). Conclusions: This has been the first function scale translated and validated in Greek for people with SCI. Both the GR-SCIM III and SCIM III are reliable for use by self-report. More studies are needed to further examine their psychometric properties and compare with observation or interview. ä Implications for RehabilitationThe Greek version of the Spinal Cord Independence Measure version III (SCIM) is valid and reliable for self-report. Further testing is needed to assess psychometric qualities not assessed in the present study. Researchers and therapists in Greece can use a specific measure to assess functional independence in people with Spinal Cord Injury (SCI). Consideration needs to be given to the participants' type of injury, which may affect the results of SCIM III.

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“…In addition, the researcher cannot be certain who has actually answered the questions (although it is highly unlikely that someone else could answer in behalf of a student) and how, for example, the circumstances of the answering moment (e.g., mood, motivation, satisfaction of studies or latest courses, or other factors in students' personal lives) have influenced the students' answers. The quality of research is, therefore, mainly based on the quality of data, in this case the contents of answers (Couper, Kapteyn, Schonlau, & Winter, 2007).…”

Section: Theoretical Backgroundmentioning

confidence: 99%

The Multidimensional Phenomenon of Study Success in Higher Education—A Head Start to Success at Work?

Uusiautti

Määttä

2016

JSE

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Universities are worried about students' satisfaction and well-being. These elements are important when pursuing to enhance efficient graduation and quality outcomes in studies. The changing world, indeed, has changed the elements of success in education and in work, too, which is the area of life students enter from universities. The purpose of this article is, first, to discuss the prerequisites of study success in universities, and second, to establish a connection between the phenomena of success in studies and success at work. The viewpoint leans of positive psychology. Students themselves were asked to describe success in their studies. How do students themselves perceive their study processes and what do they think about the factors that promote their success in studies. The research questions were: (1) what have been the most pleasing study experiences the students have encountered in university studies?; and (2) what factors have enhanced their study progress and success according to their own perceptions? Students (N=186) answered to an internet-based open-ended questionnaire. The data were analyzed in a data-based manner which resulted in eight most frequently mentioned success factor in the questionnaire data. The findings showed that there are some similarities between the phenomenon of success in studies and at work. The phenomenon is illustrated as the conclusion, and the finding can be used when developing ISSN 2162-6952 2016 www.macrothink.org/jse 2 university education to better meet the demands of the modern, changing world of work. Journal of Studies in Education

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Noncoverage and nonresponse in an Internet survey

Cited by 222 publications

References 19 publications

Combining stated and revealed choice research to simulate the neighbor effect: The case of hybrid-electric vehicles

Combining stated and revealed choice research to simulate the neighbor effect: The case of hybrid-electric vehicles

Translation into Greek and initial validity and reliability testing of a modified version of the SCIM III, in both English and Greek, for self-use

The Multidimensional Phenomenon of Study Success in Higher Education—A Head Start to Success at Work?

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