Studies have shown that videoconferences are an effective medium for facilitating communication between parties who are separated by distance. Furthermore, studies reveal that videoconferences are effective when used for distance learning, particularly when learners are engaged in complex collaborative learning tasks. However, as in face-to-face communication, learners benefit most when they re...

BACKGROUND Overweight and obesity are recognised nationally and internationally as key public health challenges. Food and drink advertising is one of the array of factors that influence both diet and physical activity choices and, hence, body weight and obesity. Little previous work has focused on food and drink advertising in magazines. We studied food and drink advertising in a wide range of ...

We chronicle the use of acknowledgements in twentieth century scholarship by analyzing and classifying more than 4,500 specimens covering a 100-year period. Our results show that the intensity of acknowledgment varies by discipline, reflecting differences in prevailing socio-cognitive structures and work practices. We demonstrate that the acknowledgment has gradually established itself as a con...

A common form of embodied social engagement involves acting as an ensemble, with all participants aware of each other and mutually engaged. In this naturalistic comparative study, we term this kind of triadic socio-cognitive activity ‘fluid collaboration’. Fluid collaboration occurs when participants establish the pace of ensemble activity mutually, with their moves flexibly adjusted and respon...

this study examined the relationship between some socio- demographic variables, medical orientations and utilization of health services of urban in comparison with rural head of households. the data for this study were obtained as part of 1975 health survey of the southern provinces of iran. the finding revealed a significant relationship between the indices used in this study, particularly in ...

Epoch Themes and Strategies for Studying the Biology of Stroke Recovery in the Poststroke Print ISSN: 0039-2499. Online ISSN: 1524-4628 Copyright © 2008 American Heart Association, Inc. All rights reserved. is published by the American Heart Association, 7272 Greenville Avenue, Dallas, TX 75231 Stroke doi: 10.1161/STROKEAHA.107.499962 2008;39:1380-1388; originally published online February 28, ...

(0,±1) [122]. (1 + 1) [869]. (1 + ) [1136]. (2 + p) [649]. (2− 2/(k + 1)) [1116]. (3 − 1) [1618]. (A,B) [1278]. (h, k) [1755]. + [1780, 1272]. 1 [626, 1701]. 1/ [1889]. 2 [1609, 1443, 2146, 2105, 1804, 1687, 452, 1587, 1376, 1399, 1795, 650]. 2≤ω [2046]. 2 [1513, 1618]. 2k [2207]. 2× 2× 2×J [2145]. 3 [652, 1443, 1979, 1128, 615, 1866, 2004, 674]. 4 [1699]. 5 [1380]. 50 [2055]. 8 [37, 1863]. 8× ...

background and objectives: an association between socioeconomic status (ses) and poor health has been recognized. inequalities in nutrition have been associated with inequalities in health. this study aimed to identify the social variability in the food and nutrient intake of iranian households. materials and methods: this study was conducted in the framework of the comprehensive study on house...

Despite the fact that most competence-relevant settings are socially relevant settings, the interpersonal effects of achievement goals have been understudied. This is all the more surprising in the case of performance goals, for which self-competence is assessed using an other-referenced standard. In the present research, performance-goals are conceived as a social tool for regulating interpers...