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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Impact of Text in News Videos for the Viewing Experience on Smartphones / Text i nyhetsklipp och dess inverkan på tittarupplevelsen i en smartphone

Skoog, Terese January 2016 (has links)
The viewing experience of news videos differ depending on if the device used is a smartphone or a traditional TV, e.g. because some social situations for smartphones not allow audio to be used while watching. Can the adding of subtitles keep the perceived quality at the same level even in these situations? This study investigates the research question how the viewing experience of news videos on smartphones is affected by subtitles and text for young adults. The results are relevant for anyone aiming to improve the viewing experience of videos on smartphones. The study is based on the theory about the concept Quality of Experience, QoE. The method has an experimental approach: 64 participants watched three news videos and after subjective and objective QoE was measured. The conclusion is that subtitles increased every aspect of subjective and objective QoE in a public context when the videos were watched without audio, while they in a home context where audio was present, did not affect any aspect of QoE, except for a decreased willingness to continue watching. / En tittarupplevelse varierar beroende på om tittandet görs på en smartphone eller på en traditionell TV, bland annat eftersom några tittarsituationer på smartphones socialt sett inte tillåter användning av ljud under tittandet. Kan undertexter göra att den upplevda kvalitén behålls på motsvarande nivå även i dessa situationer? Denna studie undersöker frågeställningen hur tittarupplevelsen av nyhetsklipp på smartphones påverkas av undertexter och texter för unga vuxna. Dess resultat är relevanta för alla som ämnar förbättra tittarupplevelsen på smartphones. Studien är baserad på teori om begreppet ”Quality of Experience”, QoE. Metoden har en experimentell ansats: 64 deltagare tittade på tre nyhetsklipp och därefter mättes den subjektiva och objektiva kvalitén på upplevelsen. Slutsatsen är att undertexter ökade varje aspekt av subjektiv och objektiv upplevd kvalité i en offentlig miljö där klippen sågs utan ljud, medan i en hemmiljö – där klippen sågs med ljud, påverkade inte undertexterna någon aspekt av kvalitén, förutom att viljan att titta klart minskade.
2

Intra-industry information transfers: Evidence from earnings announcements

Kovacs, Tunde 28 April 2006 (has links)
I examine the role of product market relations in information assimilation surrounding corporate earnings announcements. I provide evidence that intra-industry information transfers measured by industry rival earnings announcements account for a substantial portion of the well documented post-earnings announcement drift. While this evidence appears to be most consistent with rational structural uncertainty [Brav and Heaton (2002)] one cannot rule out the possibility of behavioral biases. / Ph. D.

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