Improving Vignette Descriptions and Question Formats to Measure Distance Vision: Evidence from Cognitive Interviews among Students in China

Abstract

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… (More)

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