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Full-Text Articles in Social and Behavioral Sciences
Evaluating Relevance And Reliability Of Twitter Data For Risk Communication, Xiaohui Liu
Evaluating Relevance And Reliability Of Twitter Data For Risk Communication, Xiaohui Liu
Dissertations
While Twitter has been touted to provide up-to-date information about hazard events, the relevance and reliability of tweets is yet to be tested. This research examined the relevance and reliability of risk information extracted from Twitter during the 2013 Colorado floods using five different approaches. The first approach examined the relationship between tweet volume and precipitation amount. The second approach explored the relationship between geo-tagged tweets and degree of damage. In the third approach, the spatiotemporal distribution of tweets was compared with flood extent. In the fourth approach, risk information from tweets were compared with survey responses obtained in a …
Encounters With Authority: Tactics And Negotiations At The Periphery Of Participatory Platforms, Gabriel Mugar
Encounters With Authority: Tactics And Negotiations At The Periphery Of Participatory Platforms, Gabriel Mugar
Dissertations - ALL
Digital participatory platforms like Wikipedia are often celebrated as projects that allow anyone to contribute. Any user can sign up and start contributing immediately. Similarly, projects that engage volunteers in the production of scientific knowledge create easy points of entry to make contributions. These low barriers to entry are a hallmark feature in digital participatory labor, limiting the number of hoops a new volunteer has to jump through before they can feel like they are making a difference. Such low barriers to participation at the periphery, or edges of participatory platforms, have presented a problem for organizational scholars as they …
Many Hands Make Light Work: Crowdsourced Ratings Of Medical Student Osce Performance, Mark Grichanik
Many Hands Make Light Work: Crowdsourced Ratings Of Medical Student Osce Performance, Mark Grichanik
USF Tampa Graduate Theses and Dissertations
Clinical skills are often measured using objective structured clinical examinations (OSCEs) in healthcare professions education programs. As with assessment centers, it is challenging to provide learners with effective feedback due to burdensome human capital demands. The aim of this dissertation was to evaluate the viability of using a crowdsourced system to gather OSCE ratings and feedback. Aggregating evaluations of student performance from a crowd of patient proxies has the potential to mitigate biases associated with single-rater evaluations, allow the patient a voice as the consumer of physician behavior, improve reliability, reduce costs, improve feedback latency, and help learners develop a …