Faculty Information - SASAKI Yuichi |

SASAKI Yuichi

Department / Course Tokyo Keizai University Communication Studies

Job Professor

Book and thesis
2023/03/15	Books	Why we’re so hooked on YouTube app (Co-authored)
2018/06/18	Books	A Quarter of Century of Social Media in Japan: Time and Contents Swallowed by Information Capitalism (in Japanese) (Sole-authored)
2016/07/10	Books	The Psychology of Twitter: Information Architecture and User Behavior (in Japanese) (Co-authored)
2000/09	Books	Expanding Linux's Value through Community Alliance Strategy (in Japanese),pp.19-25, 103-216 (Co-authored)
1998/09	Books	Shareware (Shared Online Software): An Alternative Economic System (in Japanese),pp.全て (Co-authored)
2014/12/25	Books	The “Edge” of Digital (in Japanese),pp.33-74 (Co-authored)
2014/02/18	Books	A Guidebook for Understanding Communication Studies (in Japanese),pp.60-61, 70-71, 78-79, 88-93, 195, 213, 216 (Co-authored)
2005/03/31	Books	Management Strategy in The Ara of Digital (in Japanese),pp.172−177 (Co-authored)
2001/08	Books	How to Assure the Originality of Electronic Documents (in Japanese),pp.第4章 (Co-authored)
2023/02/15	Papers	An Attempt to Develop an Impression of YouTube Scale, An Information Contact Propensity Scale, and an Information Overload Scale,pp.63-87 (Co-authored)
2022/11/02	Papers	An Exploratory Study of the Relationship Between Smartphone Usage Situations and Categories of Apps,pp.95-117 (Co-authored)
2021/11/04	Papers	Characteristics of Video Viewing Behavior from the Viewpoint of Mobile Video Viewing Genres and Usage Motives: Focusing on the Relationship with TV Viewing and Time Use The Journal of Communication Studies,pp.61-86 (Co-authored)
2021/10/02	Papers	The Relationship between Architecture Usage Patterns and Viewing Video Genres in YouTube App Socio-Informatics,pp.17-33 (Co-authored)
2021/07	Papers	The use and motive of mobile video viewing: An analysis from the viewpoint of social space Yoshida Hideo Memorial Foundation, 54th Research Paper (Co-authored)
2021/02/17	Papers	The Relationship between Sense of Public Space and Video Viewing Time on Mobile Devices The Journal of Communication Studies,pp.119-134 (Sole-authored)
2020/11/04	Papers	Development of Impression Scale for YouTube The Journal of Communication Studies,pp.3-16 (Sole-authored)
2020/02/19	Papers	Theory and Practice of Platform Cooperatives Dealing with Digital Information Goods: Through Case Studies of Stocksy and Resonate The Journal of Communication Studies,pp.45-72 (Sole-authored)
2019/11/06	Papers	Watching & Listening YouTube with Smartphone : Basic Analysis from The Viewpoint of Information Architecture The Journal of Communication Studies,pp.87-111 (Sole-authored)
2018/05/16	Papers	How social network site users’ motives predict their online network sizes: A quantile regression approach to Japanese Twitter usage International Journal of Human-Computer Interaction 35 (7),pp.548-558 (Co-authored)
2017/09	Papers	Relationships between the Use of Emotional Terms on Social Media, Posting Motives, and Network Structure : Focusing on Positive and Negative Emotional Terms in Twitter The Japanese journal of language in society,pp.16-28 (Co-authored)
2016/11	Papers	Unfriend or ignore tweets?: A time series analysis on Japanese Twitter users suffering from information overload Computers in Human Behavior 64 (November),pp.914-922 (Co-authored)
2016/02/24	Papers	Motivations for Posting Product Review and Determinants of the Number of Review Posted : Comparison analysis of 2006 and 2014 The Journal of Communication Studies,pp.23-49 (Sole-authored)
2015/12/04	Papers	Exploratory research on posting motivation in social media The Research Report, The Telecommunications Advancement Foundation (Co-authored)
2015/11/11	Papers	The anatomy of tweet overload: How number of tweets received, number of friends, and egocentric network density affect perceived information overload Telematics and Informatics 32 (4),pp.853-861 (Co-authored)
2012/12/05	Papers	How do they use Tag in the group of enterprises ? : A case analysis of Social Bookmark Service“ 4dk” The Journal of Communication Studies,pp.31-58 (Sole-authored)
2010/10/13	Papers	Permalink : The Technology that Determined the Access Structure and the Earning Model of the 00s' Web The Journal of Communication Studies,pp.67-100 (Sole-authored)
2009/12/24	Papers	A Research on Economic Value of "Relationships of Inter-Information" on the Web -The Relation between Web Page Transition Pattern and Content-Match Ad' Click- The Ph.D. Dissertation, Graduate School of Media and Governance, Keio University (Sole-authored)
2009/03/04	Papers	A Dynamic Analysis of the Long Tail : Does “Filter” Bring “Expansion of the Tail” and “Decentralization of Product Sales”? The Journal of Communication Studies,pp.17-45 (Sole-authored)
2007/09/20	Papers	Two Two-Layer Structures on Online Community: Poster and Lurker, Value and Architecture Organizational Science,pp.26-37 (Sole-authored)
2005/06	Papers	Effectiveness of Information Sources and Purchasing Behavior on Evaluation Site Users : A Correlation Analysis using Length of Subscription Period and Number of Purchase Times based on Evaluative Information on the Site Journal of the Japan Society forManagement lnformation,pp.19-43 (Co-authored)
2005/03	Papers	Driving Forces in Product Selection: Evaluation Sites, Magazines, and Word of Mouth Information, A Research on Users of a Cosmetics Product Evaluation Site Journal of Information and Media Studies,pp.29-42 (Sole-authored)
2003/03	Papers	Information dissemination behavior of lurkers and its influence on purchasing Marketing Journal,pp.39-51 (Co-authored)