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Stephan Weibelzahl
Stephan Weibelzahl
PFH Private University of Applied Sciences Göttingen
Dirección de correo verificada de pfh.de - Página principal
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pwr: Basic functions for power analysis
S Champely, C Ekstrom, P Dalgaard, J Gill, S Weibelzahl, A Anandkumar, ...
10472017
Package ‘pwr’
S Champely, C Ekstrom, P Dalgaard, J Gill, S Weibelzahl, A Anandkumar, ...
R package version 1 (2), 2018
272*2018
Developing adaptive internet based courses with the authoring system NetCoach
G Weber, HC Kuhl, S Weibelzahl
Hypermedia: Openness, Structural Awareness, and Adaptivity, 222-223, 2002
2722002
Evaluation of adaptive systems
S Weibelzahl, A Paramythis, J Masthoff
Proceedings of the 28th ACM Conference on User Modeling, Adaptation and …, 2020
1972020
Layered evaluation of interactive adaptive systems: framework and formative methods
A Paramythis, S Weibelzahl, J Masthoff
User Modeling and User-Adapted Interaction 20, 383-453, 2010
1962010
Log file analysis for disengagement detection in e-Learning environments
M Cocea, S Weibelzahl
User Modeling and User-Adapted Interaction 19, 341-385, 2009
1322009
Can log files analysis estimate learners’ level of motivation?
M Cocea, S Weibelzahl
1232011
Disengagement detection in on-line learning: validation studies and perspectives
M Cocea, S Weibelzahl
Learning Technologies, IEEE Transactions on 4 (2), 114-124, 2011
1172011
Usability Engineering for the Adaptive Web
C Gena, S Weibelzahl
The Adaptive Web: Methods and Strategies of Web Personalization 4321, 720-762, 2007
1002007
Towards a good mix in blended learning for small and medium-sized enterprises–Outline of a Delphi Study
S Moebs, S Weibelzahl
EC-TEL 2006, Innovative Approaches for Learning and Knowledge Sharing, 10-17, 2006
1002006
Advantages, opportunities and limits of empirical evaluations: Evaluating adaptive systems
S Weibelzahl, G Weber
KI 16 (3), 17-20, 2002
892002
Cross-system validation of engagement prediction from log files
M Cocea, S Weibelzahl
Creating New Learning Experiences on a Global Scale: Second European …, 2007
832007
Problems and pitfalls in the evaluation of adaptive systems
S Weibelzahl
Adaptable and adaptive hypermedia systems, 285-299, 2005
832005
Eliciting motivation knowledge from log files towards motivation diagnosis for Adaptive Systems
M Cocea, S Weibelzahl
User Modeling 2007: 11th International Conference, UM 2007, Corfu, Greece …, 2007
692007
A decomposition model for the layered evaluation of interactive adaptive systems
A Paramythis, S Weibelzahl
International Conference on User Modeling, 438-442, 2005
682005
Depression and anxiety in healthcare professionals during the COVID-19 pandemic
S Weibelzahl, J Reiter, G Duden
Epidemiology & Infection 149, e46, 2021
642021
User-centered EEG-based multimedia quality assessment
AN Moldovan, I Ghergulescu, S Weibelzahl, CH Muntean
2013 IEEE international symposium on broadband multimedia systems and …, 2013
612013
Energy-Aware Mobile Learning: Opportunities and Challenges
AN Moldovan, S Weibelzahl, CH Muntean
IEEE Communications Surveys & Tutorials 16 (1), 234-265, 2014
572014
Motivation–included or excluded from e-learning
M Cocea, S Weibelzahl
International Conference on Cognition and Exploratory Learning in Digital …, 2006
562006
Student counseling services: Using text messaging to lower barriers to help seeking
D Joyce, S Weibelzahl
Innovations in education and teaching international 48 (3), 287-299, 2011
522011
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