OBJECTIVE The increasingly high levels of overweight and obesity among the workforce are accompanied by a hidden cost burden due to losses in productivity. This study reviews the extent of indirect cost of overweight and obesity. METHODS A systematic search was conducted in eight electronic databases (PubMed, Cochrane Library, Web of Science Core Collection, PsychInfo, Cinahl, EconLit and Cli...

The quality of mobile apps is becoming an increasingly important issue. These apps are generally delivered through app stores that allow users to post reviews about apps. These user-reviews provide a rich data source that can be leveraged to understand user reported issues. In this study, we qualitatively study 6,390 low star-rating user-reviews for 20 free iOS apps. Our study uncovers 12 types...

Across the country, incoming child welfare caseworkers have an average tenure of 2 years, and states are being evaluated on the quality of caseworker training programs and their ability to provide child welfare services that meet federally mandated outcomes. Policy makers do not know the cost of workforce turnover and replacement or the cost of training child welfare workers. The objectives of ...

Global Software Development (GSD) is becoming increasingly prevalent, with software development teams being distributed around the world and working in collaboration with partner companies despite geographic and time differences. The main advantage of GSD which makes it attractive is the greater availability of human resources at lower costs. However, there are several disadvantages which are c...

The economics models of reputation and quality in markets can be classified in three categories. (i) Pure hidden action, where only one type of seller is present who can provide goods of different quality. (ii) Pure hidden information, where sellers of different types have no control over product quality. (iii) Mixed frameworks, which include both hidden action and hidden information. In this p...

Wireless Networking is one of the fastest growing areas in the network industry today. Wireless Local Area Networks (WLANs) are gaining special interest as they provide flexibility of location along with low infrastructural and maintenance costs. The hidden terminal problem is unique to wireless networks that decrease the performance of the network. In this paper we propose a new MAC protocol t...