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DTSTART;TZID=America/Los_Angeles:20160331T143000
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SUMMARY:Rick Dale\, University of California\, Merced
DESCRIPTION:“Quantifying the dynamics of multimodal communication with multimodal data.” \n*Presented by the Center for Social Statistics \nAbstract: Human communication is built upon an array of signals\, from body movement to word selection. The sciences of language and communication tend to study these signals individually. However\, natural human communication uses all these signals together simultaneously\, and in complex social systems of various sizes. It is an open puzzle to uncover how this multimodal communication is structured in time and organized at different scales. Such a puzzle includes analysis of two-person interactions. It also involves an understanding of much larger systems\, such as communication over social media at an unprecedentedly massive scale. \nCollaborators and I have explored communication across both of these scales\, and I will describe examples in the domain of conflict. For example\, we’ve studied conflict communication in two-person interactions using video analysis of body and voice dynamics. At the broader scale\, we have also used large-scale social media behavior (Twitter) during a massively shared experience of conflict\, the 2012 Presidential Debates. These projects reveal the importance of dynamics. In two-person conflict\, for example\, signal dynamics (e.g.\, body\, voice) during interaction can reveal the quality of that interaction. In addition\, collective behavior on Twitter can be predicted even by simple linear models using debate dynamics between Obama and Romney (e.g.\, one interrupting the other). \nThe collection\, quantification\, and modeling of multitemporal and multivariate datasets hold much promise for new kinds of interdisciplinary collaborations. I will end by discussing how they may guide new theoretical directions for pursuing the organization and temporal structure of multimodality in communication. \nUrl: http://statistics.ucla.edu/seminars/2016-03-31/2:30pm/314-royce-hall
URL:https://ccpr.ucla.edu/event/rick-dale/
LOCATION:314 Royce Hall\, 340 Royce Dr\, los angeles\, CA\, 90095\, United States
CATEGORIES:CCPR Seminar,CSS Events
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CREATED:20160328T165434Z
LAST-MODIFIED:20160512T220411Z
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SUMMARY:Betsy Sinclair\, Washington University in St Louis
DESCRIPTION:“Electronic Homestyle: Tweeting Ideology” \nAbstract: Ideal points are central to the study of political partisanship and an essential component to our understanding of legislative and electoral behavior. We employ automated text analysis on tweets from Members of Congress to estimate their ideal points using Naive Bayes classification and Support Vector Machine classification. We extend these tools to estimate the proportion of partisan speech used in each legislator’s tweets. We demonstrate an association between these measurements\, existing ideal point measurements\, and district ideology. \nUrl: http://statistics.ucla.edu/seminars/2016-03-29/2:30pm/314-royce-hall
URL:https://ccpr.ucla.edu/event/betsy-sinclair-washington-university-st-louis/
LOCATION:314 Royce Hall\, 340 Royce Dr\, los angeles\, CA\, 90095\, United States
CATEGORIES:CCPR Seminar,CSS Events
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