In this paper we argue for a combined approach of logging analysis and interview techniques to evaluate the usability of web distributed applications. Logging analysis has proven as an efficient and effective method to investigate websites usability. However it seems insufficient for more complex applications. We outline a case study of a library search system, in which users’ information seeki...

This paper presents a task-based user study carried out to investigate how explicit roles assigned to group members affected collaborative information seeking behaviour during a travel planning task. 24 pairs participated our study where half of them were given a specific instruction to divide the roles into a searcher and writer, while others were given no such instruction. The evaluation look...

patients and methods in this cross-sectional study, conducted in isfahan and kermanshah medical universities in iran, a total of 425 male medical students were randomly selected with the proportional to size from different faculties to participate voluntarily in the study. a self-report written questionnaire was applied to collect data. then, the obtained data were analyzed by spss version 20 u...

The role of the library has always been to provide the best possible service to all its patrons, possibly, at all time. ICT came up with the facility to enhance the library services. Wi-Fi raised the profile of the library service and met demand for new technologies and services. Using Wi-Fi, library can expand its services and can provide new technologybased services to its users. To analyze t...

The debate over the past five years on how to limit national ownership and control of nuclear fuel-cycle facilities is largely a response to the perceived risk of a growing number of countries to acquire these sensitive technologies. This prospect is seen as a challenge to the nonproliferation regime by leading nuclear weapon states and their allies, by non-weapon states seeking both to stem pr...

A key challenge in the literature has been to provide an explanation for the fact that observed reorganizations seem to be substantially more drastic and numerous than implied by changes in environmental conditions. This paper offers an explanation based on the observation that contracts are necessarily incomplete, and therefore there exists a multitude of everyday circumstances in which opport...

BACKGROUND Decisions involving risk often must be made under stressful circumstances. Research on behavioral and brain differences in stress responses suggest that stress might have different effects on risk taking in males and females. METHODOLOGY/PRINCIPAL FINDINGS In this study, participants played a computer game designed to measure risk taking (the Balloon Analogue Risk Task) fifteen min...

Despite the growth of Consumer Health Informatics (CHI) websites, searching for relevant health information remains a challenging task for most users, especially for the consumer of non-medical professionals. Most consumers only have vague idea and cannot describe their health situation clearly due to lack of medical knowledge; therefore consumers’ query keywords often do not accurately reflect...