Abstract Online Social networks have become an easy means of communication for users to share their opinion on various topics, including breaking news, public events, and products. The content posted by a user can influence or affect other users, the who could high number are called influential users. Identifying such has wide range applications in field marketing, product advertisement, recomm...

Usability testing, commonly conducted for commercial software to ensure that it meets the needs of the end user, is likewise vital to creating effective training software employing VR technologies. However, developers often limit software testing to expert evaluation (by other developers or subject matter experts [SMEs]) to identify potential problems that might impede the usability or acceptab...

For many years we have heard rumors of the downfall and death of GSS research. In this paper we will argue that the nay-sayers are wrong, as many have been in other disciplines in the past and that they would propose to stop seeking answers before the most important questions may have even been asked. We describe some of the many unanswered research questions left to be addressed in Group Suppo...

INTRODUCTION This study describes the uses of a control chart in the malaria surveillance at the local level, signaling whether there is a need to intensify or adapt control measures. METHODS The districts of Cruzeiro do Sul (n=14), State of Acre, Brazil, were classified into three groups: I) those with an incidence lower than expected; II) those with an incidence within the expected range; a...

Policy-makers often rely on public opinion polls to decide which political projects to pursue. We study how the use of opinion polls influences policy outcomes if respondents feel pressured to offer ”socially desirable” views when answering the pollsters’ questions. Our results indicate that this type of social pressure can lead to second-best policy outcomes even if politicians are aware of th...

AIM The aim of the study is to evaluate the changes of the kinetic parameters of gait in patients with supratentorial unilateral stroke in the chronic period (SUSChP). MATERIAL AND METHODS The study was conducted with 67 patients with SUSChP (56 patients included in the experimental group - 32 men and 24 women, with duration of disease 7.8 ± 2.0 months, and 11 patients in the control group - ...