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CHI
2007
ACM
16 years 7 months ago
The role of choice and customization on users' interaction with embodied conversational agents: effects on perception and perfor
We performed an empirical study exploring people's interactions with an embodied conversational agent (ECA) while performing two tasks. Conditions varied with respect to 1) w...
Jun Xiao, John T. Stasko, Richard Catrambone
HICSS
2009
IEEE
143views Biometrics» more  HICSS 2009»
16 years 1 months ago
Longitudinal Analysis of the Effects of IT Characteristics on Web Site Ratings Across State Governments in the US (2001-2006)
Given the increasing investment on information technology (IT) and Web site features, it becomes crucial to measure reliably the impact of these characteristics on the overall qua...
Gabriel Puron Cid, José Ramón Gil-Ga...
ICASSP
2009
IEEE
16 years 1 months ago
Genre effects on automatic sentence segmentation of speech: A comparison of broadcast news and broadcast conversations
We investigate genre effects on the task of automatic sentence segmentation, focusing on two important domains – broadcast news (BN) and broadcast conversation (BC). We employ a...
Jáchym Kolár, Yang Liu, Elizabeth Sh...
AIED
2009
Springer
16 years 1 months ago
Using Learning Decomposition to Analyze Instructional Effectiveness in the ASSISTment System
A basic question of instruction is how effective it is in promoting student learning. This paper presents a study determining the relative efficacy of different instructional conte...
Mingyu Feng, Neil T. Heffernan, Joseph E. Beck
COMPLEX
2009
Springer
16 years 1 months ago
A Preliminary Study on the Effects of Fear Factors in Disease Propagation
Upon an outbreak of a dangerous infectious disease, people generally tend to reduce their contacts with others in fear of getting infected. Such typical actions apparently help to ...
Yubo Wang, Jie Hu, Gaoxi Xiao, Limsoon Wong, Stefa...