Most of studies on the video communications are based on an unproved hypothesis: They take it granted that the full-face images of communicators are the 'sine qua non' in video conversations, and profiles are rather confusing or annoying for them. This paper proves the counter hypothesis that profile images are also useful and they can replace the full-faces under some conditions. Psychological...

We carried out a randomized controlled trial in Bogotá, the recipient of Colombia's highest number of internally displaced people (IDP), to assess whether the use of SMS to communicate eligibility to social benefits fosters the welfare of victimized internal refugees. Only a fraction of IDP are eligible to benefits. We inform eligibility via SMS to a random half of such households, and estimate...

T elimination of health disparities in the United States is a national priority and overriding goal for Healthy People 2010 (HP 2010). Surveillance of health indicators among minority populations is essential to eliminating disparities. Surveillance is critical for program planning, policy making, evaluating population-based strategies, and tracking progress toward national and state objectives.

BACKGROUND Administration of quality care in the aged people requires having a positive attitude toward them. Numerous factors including nurses' personality characteristics may play a role in their attitude toward the aged people. Therefore, the present study investigated the association between nurses' personality characteristics and their attitude toward the aged people. MATERIALS AND METHO...

Background: Transcanal endoscopic ear surgery has many advantages over conventional microscopic ear surgery and is used as adjunct to microscope or is used independently. Precise large visual field and angular vision has edge over the clumsy, expensive, peeping tubular vision of microscopes. Moreover, it is a better teaching methodology for the undergraduates and postgraduates. Our study compri...