introduction. this is quasi experimental research in order to determine and compare the learning level of nursing skills ( in b.a students) with self-directed learning and tutor-directed learning pattern in shaheed beheshti univeristy of medical sciences and health services, nursing and midwifery faculty, 1998-1999. methods. first of all, a questionnaire composed of some demographic data such a...

The perception of the environment is a major issue in autonomous robots. In our previous works, we have proposed a visual perception system based on an automatic image discarding method as a simple solution to improve the performance of a real-time navigation system. In this paper, we take place in the obstacle avoidance context for vehicles in dynamic and unknown environments, and we propose a...

OBJECTIVES To evaluate the reliability and validity of a previously derived clinical dehydration scale (CDS) in a cohort of children with gastroenteritis and evidence of dehydration. METHODS Participants were 226 children older than 3 months who presented to a tertiary care emergency department and required intravenous rehydration. Reliability was assessed at treatment initiation, by comparin...

background & aim : increasing students’ academic stress especially during taking final exams may result in sleep  disorders, fatigue, poor academic performance and low functional efficiency. the aim of this study was to determine the relationship between sleep quality with fatigue severity and academic performance of nursing students. methods & materials : in a cross-sectional study, the sleep ...

this paper investigates the role of factors affecting the quality of the service provided by state banks in karaj in their key customers’ satisfaction. the conceptual framework of this research shows the effect of factors such as empathy, assurance, responsiveness, reliability and physical realities on customer satisfaction. using a descriptive method, this idea has investigated through using a...

Non-linear correlations based on mutual information are evaluated to measure statistical dependencies among data points measured from metabolism in two dimensional space. While the Pearson correlation coefficient is only rigorously applicable to characterize strictly linear correlations with Gaussian noise, the mutual information coefficient is more generally valid. Here, we use recent distribu...