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We tested the validity of vision screening in schools in 7 regions of Oman in 2003. Two researchers tested 1719 randomly selected students in 4 school grades using the Snellen E acuity test. Trained school nurses had previously screened 182 233 students. The visual status recorded in the 2 screenings was compared. Sensitivity of screening by nurses was(More)
Audiometric screening was conducted in Dhofar region to study the magnitude of ear problems and cost-effectiveness of screening first-year preparatory-school children in Oman. None of the 1894 pupils had otitis media with effusion or sensory neuronal hearing loss. Six children (0.32%) had impacted wax, 4 (0.21%) chronic suppurative otitis media and 2(More)
—Problem-Based Learning (PBL) is an inductive learning approach that uses a realistic problem as the starting point of learning. Unlike in medical education, which is more easily adaptable to PBL, implementing PBL in engineering courses in the traditional semester system setup is challenging. While PBL is normally implemented in small groups of up to ten(More)
Engineering educators are faced with demands from various sectors to produce graduates who can be effective in today's borderless k-economy. To accommodate these demands and adapt to changes in the 21 st century, Problem Based Learning (PBL) is proposed as an alternative to traditional lectures in moulding engineering graduates to acquire the desired(More)
This study proposed an incorporated simulation–Taguchi model to optimize a petrol station sales rate. In addition, it provided a regression model to forecast the sales rate. Initially, Witness 2014 simulation software© was used to simulate the operating system of a petrol station. Next, the obtained simulation results were used as the input for Taguchi(More)
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