Cognitive load researchers have used varying subjective techniques based on rating scales to quantify experienced cognitive load. Although it is generally assumed that subjects can introspect their processes and no difficulty in assigning numerical values the imposed load, little known about how visual characteristics of influence validity measure. In this study we look at four (within groups) ...

There is many software development methodologies exist that is used to control the process of developing a software system. No exact system was found which could help the software engineers for selection of best software development methodology. This paper present the framework of expert system combined with Likert scale. With the help of Likert scale we create a rule based model and assign som...

introduction: pain is the most common complaint of patients referring to emergency department (ed). considering the importance of pain management in ed, this study aimed to investigate the efficacy and feasibility of ultrasound-guided nerve blocks in this setting. methods: 46 patients who came to the ed with injured extremities were enrolled in the study and received either femoral, axillary or...