Given the increases on global ageing population, popularity of social Q&A sites and the level of geriatric health concerns from family caregivers, it raises the uncertainty about the quality of health information on social Q&A sites for family caregivers of elderly. The purposes of this study are to evaluate the quality of geriatric health information on social Questions and Answers (Q&A) sites: Yahoo! Answers from registered nurses’ perspective, to identify the structural patterns of questions and answers vary in quality and to discover the cultural aspects in relation to the findings. A total of 60 question-answers set is retrieved from regional Yahoo! Answers sites, including Australia, Canada, UK & Ireland, US, Hong Kong, Mainland China and Taiwan. 126 English answers and 112 Chinese answers are examined. Through a mixed method approach, results show that the overall information quality provided in Chinese group is relatively poorer than those of English. About 40% of questioners form both groups are not capable of judging the best answer among choices. In terms of structural patterns, questioners from both language groups are less capable of asking questions with clear focuses. 4 structural patterns, including Chinese and English answers with good and poor quality, are identified. Furthermore, cultural differences are found to have a significant impact on the level of information quality in social Q&A site. Finally, recommendations to corresponding social sectors are made for improving the current information quality of social Q&A sites in future. / published_or_final_version / Library and Information Management / Master / Master of Science in Library and Information Management

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published_or_final_version / Computer Science / Master / Master of Philosophy

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