The evaluation of information visualization techniques and systems is important in order to understand how to improve the systems and create innovative, useful new techniques. This article describes some of the challenges and issues in information visualization evaluation, and it discusses potential opportunities to improve the process. By better identifying the tasks people perform using infor...

BACKGROUND This paper provides three illustrations of how the "person-based approach" can be used to assess and enhance the acceptability and feasibility of an intervention during the early stages of development and evaluation. The person-based approach involves using mixed methods research to systematically investigate the beliefs, attitudes, needs and situation of the people who will be using...

The timing of phenological events, such as leaf-out and flowering, strongly influence plant success and their study is vital to understanding how plants will respond to climate change. Phenological research, however, is often limited by the temporal, geographic, or phylogenetic scope of available data. Hundreds of millions of plant specimens in herbaria worldwide offer a potential solution to t...

Background: Green pit viper bite is an important cause of morbidity in Bangladesh. The objective of this study was to investigate the characteristics and clinical presentations of green pit viper bite in Bangladesh. Methods: This prospective observational study was done in the department of Medicine in Chittagong Medical College Hospital, Bangladesh. A total of 40 patients with history of green...

This article studies reproductive externalities within rural communities in poor countries. It is shown that such externalities create a link between household poverty, household size, and the local natural-resource base, each of which is viewed as being endogenous. The models presented here o!er an explanation for the fact that in recent decades large groups of people in various parts of the w...

People play certain genres of video games for definitive reasons. The underlying phenomenon of these manifested reasons, and the source of "hooking" a player to a game, is Game/World Immersion. Immersion, therefore, is the single most important factor as to why people play certain genres of video games. The various elements that are present in such games, such as audio or visual, are there to c...

Objective: The present study is based on an ethnobotanical research project conducted in Hormozgan province that is located in south of Iran, bordering waters of the Persian Gulf and Oman Sea. This survey was carried out in order to recover the ethnobotanical and ethnomedicinal knowledge of the residents of this province. They are using medicinal and functional plants for treating or preventing...