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This paper considers the effects of a two-period interaction on the decision of a principal to delegate authority to a potentially biased but better informed agent. Compared to the (repeated) one-period case, the agent’s first period actions may also signal his type which in turn impacts wages in Period 2. As a result, biased agents have an incentive not to follow their own preferences in Perio...

Industry reports continue to highlight the importance and growth of e-learning. However, researcher, trainers and trainees all agree that elearning is different in terms of the level of personalization and anxiety that it brings, and its impact on outcomes. This paper presents a research model to reframe the dominant theory in technology training, i.e. Socio-Cognitive theory and its impact on l...

This paper presents empirical evidence concerning the application of digital video technologies for creating design-based learning environments for middle school students. In three studies we show how the affordances and constraints of digital video technology can support for students their (a) cognitive (b) action related and (c) socio-cognitive learning processes in the domain of history. We ...

Background & aim: To have successful pregnancy, it is necessary to focus on the mother’s quality of life during pregnancy. This study was conducted to determine the predictors of quality of life among Iranian pregnant women.  Methods: This cross-sectional study was conducted on 565 pregnant women visiting health centers of Tabriz, Iran, 2015. The participants were selected using the cluster sam...

urban expansion model (uem) was adapted to simulate urbanization which implements geospatial information systems (gis), artificial neural networks (anns) and remote sensing (rs). two satellite imageries with specific time interval, socio-economic and environmental variables have been employed in order to simulate urban expansion. socio-economic and environmental variables were used as inputs wh...

Background Despite the implementation of the National Health Insurance Scheme (NHIS) since 2005 in Nigeria, the level of health insurance coverage remains low. The study aims to examine the predictors of enrolment in the NHIS among women of reproductive age in Nigeria.   Methods Secondary data from the 2013 Nigeria Demographic and Health Survey (NDHS) were utilized to ex...

a tug which, according to towage contract, renders salvage services to tow, is not, principally, entitled to reward, although she has, practically, rescued the tow from danger. notwithstanding this, section 176 of iranian maritime act says: a tug has no right to remuneration for assistance to or salvage of the vessel she is towing or of the vessel cargo, except where she has rendered exceptiona...