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ERIC Number: EJ1148119
Record Type: Journal
Publication Date: 2017-Aug
Pages: 19
Abstractor: As Provided
ISSN: ISSN-1525-822X
Improving Vignette Descriptions and Question Formats to Measure Distance Vision: Evidence from Cognitive Interviews among Students in China
Su, Yanfang; Willis, Gordon; Salomon, Joshua A.
Field Methods, v29 n3 p175-193 Aug 2017
Vignette design has been largely neglected in anchoring vignette studies. This study aimed to contribute to the science of vignette design by developing and evaluating vignettes for measuring vision in rural China. Cognitive interviews were conducted among 36 participants in a Chinese middle school. The respondents either directly evaluated vision of the vignette character (i.e., noncomparative judgment) or compared their own vision with that of the vignette character (i.e., comparative judgment). It was found that a hypothetical person in the vignette was successfully envisioned by participants in grade 7 and beyond. However, more than half the participants were unable to accurately estimate distances expressed in meters. Some participants were critical in self-evaluation, yet tolerant of others' performance. Participants more easily produced an answer and had greater confidence in the answer in comparative judgment than for noncomparative judgment. We conclude with recommendations for designing concise and complete vignettes and suggest the use of comparative rather than noncomparative judgment.
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Publication Type: Journal Articles; Reports - Research
Education Level: Middle Schools; Secondary Education; Junior High Schools
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: China
Grant or Contract Numbers: N/A