research error in medical sciences studies and their control strategies khorami markaney a , yagmayee f , habibzadeh h received: 22 march, 2010 accepted: 11 july,. 2010 abstract background & aims: one of the important goals of research studies especially in medical sciences is accurate measurement of outcome occurrence. despite numerous efforts to reduce accuracy errors, they still occur. the a...

This paper addresses the problematic of congestion control in the radio access interface when considering the allocation of voice and data services over several Radio Access Technologies (RATs). In particular, the GSMIEDGE Radio Access Network (GERAN) and the UMTS Terrestrial Radio Access Network (UTRAN) are considered for the evaluation of congestion control strategies. After a congestion situ...

The year 2011 is ‘The International Year of Forests’. This designation has generated momentum bringing greater attention to the forests worldwide. Forests cover almost a third of the earth’s land surface providing many environmental benefits including a major role in the hydrologic cycle, soil conservation, prevention of climate change and preservation of biodiversity (Sheram, 1993). Forest res...

Over the years increasing sophisticated planning algorithms have been developed. These have made for more efficient planners. However, current state of the art planners still suffer from severe complexity problems, problems that can surface even in domains in which good plans are easy to generate, like the blocks world. Planners generally employ search to find plans, and planning research has i...

abstractthis study aims to highlight the key roles played by metacognitive strategies training in the development of listening comprehension skill and self-regulation strategies of efl learners. the participants of this study (n = 60) were female iranian students assigned to two groups of experimental and control in kish english language institute. learners in the experimental group received 6-...