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Task switching and interruptions are a daily reality in software development projects: developers switch between Requirements Engineering (RE), coding, testing, daily meetings, and other tasks. Task switching may increase productivity through increased information flow and effective time management. However, it might also cause a cognitive load to reorient the primary task, which accounts for the...
The Service-Oriented Software Development (SOSD) approach is a common software development paradigm. Previous qualitative and quantitative studies looked at the main reasons for the delay in software development so as to help project's stakeholders to take appropriate actions for improvement in their planning. In SOSD projects, due to the high level of user involvement in new service and product development,...
The comparative performance of potassium ferrate(VI), ferric sulphate and aluminium sulphate for the removal of turbidity, chemical oxygen demand (COD), colour (as Vis 400 -abs) and bacteria in sewage treatment was evaluated. For coagulation and disinfection of sewage, potassium ferrate(VI) can remove more organic contaminants, COD and bacteria in comparison with the other two coagulants for...
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