A cost-effective evaluation method for use by designers
International Journal of Man-Machine Studies
Measuring usability: are effectiveness, efficiency, and satisfaction really correlated?
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
The human-computer interaction handbook
Factors influencing the usage of websites: the case of a generic portal in The Netherlands
Information and Management
Web Portals: The New Gateways to Internet Information and Services
Web Portals: The New Gateways to Internet Information and Services
Standards for Second-Generation Portals
IEEE Internet Computing
Using web browser interactions to predict task
Proceedings of the 15th international conference on World Wide Web
Sample sizes for usability tests: mostly math, not magic
interactions - Waits & Measures
Heuristic evaluation: Comparing ways of finding and reporting usability problems
Interacting with Computers
Meta-analysis of correlations among usability measures
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Metaphors of human thinking for usability inspection and design
ACM Transactions on Computer-Human Interaction (TOCHI)
Tracing impact in a usability improvement process
Interacting with Computers
An asian study of healthcare web portals: implications for healthcare digital libraries
ICADL'05 Proceedings of the 8th international conference on Asian Digital Libraries: implementing strategies and sharing experiences
Development of the evaluation form for expert inspections of web portals
ICWE'11 Proceedings of the 11th international conference on Web engineering
International Journal of Business Information Systems
Evaluating the perceived and estimated quality in use of Web 2.0 applications
Journal of Systems and Software
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Web portals act as a single point of access to information and services relevant to person's work or personal interests. Market research findings related to Croatian web context report that nowadays horizontal information portals are the most visited sites. Whether they reach their aim of facilitating users' access to diverse resources and to which extent, remains an open question. In this paper, this issue is addressed by two case studies conducted for summative assessment of Croatian horizontal information portals. Approach assembled expert inspection and user assessment that integrated a number of empirical methods into laboratory-based testing. We report that the results of inspection method were not in agreement with the ones obtained from user test methods. Although differences of this kind have been reported elsewhere, these were not as evident as in these studies. What is very interesting and represents a main contribution of the research is that in both rounds of evaluations this outcome is very sharp and clear. This suggests that we should conduct both kinds of assessments as they seem to be complementary. Evaluation provided some general findings and know-how from the experience and we believe that many readers, both practitioners and researchers, can learn from it.