in the present study an attempt has been made to use a non-parametric method data envelopment analysis (dea) for assessing source-wise and operation-wise the technical efficiency (te) and return-to-scale (rts) for paddy production in four zones of the state of punjab, india. the results were then compared to corresponding ones already obtained from a parametric method (cobb-douglas production f...

background: the coronary artery bypass grafting (cabg) is performed to completely or partially relieve the symptoms of coronary heart disease (chd). one of the most important goals of this operation is the improvement of quality of life (qol). the data obtained on healthrelated quality of life (hrqol) represents the functional limitations and the alleviation of symptoms among patients. many fac...

diagnosing and assessing child abuse is a critical and difficult process in clinical psychology, because this phenomenon has several negative behavioral and psychological consequences on victims. the aim of this research is to create a scale for assessing child abuse and neglect. through a multiclustral sampling, 3042 secondary school students (boys and girls) were selected to fill (1) a list o...

data envelopment analysis (dea) is a non-parametric approach for performance analysis of decision making units (dmus) which uses a set of inputs to produce a set of outputs without the need to consider internal operations of each unit. in recent years, there have been various studies dealt with two-stage production systems, i.e. systems which consume some inputs in their first stage to produce ...

background: the national institutes of health stroke scale (nihss) can objectively quantify the severity of stroke. however no information is available about psychometric properties and it’s applicability in the iranian population. objectives: the present study purposed by utilization of this instrument for neurological deficits measurement due to stroke, to determine the internal consistency r...

stroke scales can be classified as clinicometric scales and functional impairment, handicap scales. all studies describing stroke scales were reviewed by internet searching engines with the final search performed on january 1, 2013. the following string of keywords was entered into search engines; stroke, scale, score and disability. despite advantages of modified national institute of health s...

background: this study investigated the applicability of the post-traumatic stress disorder symptom scale (pss) in a group of adolescents who had been directly involved in a disaster in tehran. method: participants were 20 adolescents who had survived a boat sinking in tehran's city park in 2002. the assessment measures used were the post-traumatic stress disorder symptom scale (pss) and clinic...

background while cyclists and pedestrians are known to be at significant risk for severe injuries when exposed to road traffic accidents (rta) involving trucks, little is known about rta injury risk for truck drivers. objectives the aim of this study was to analyze the injury severity in truck drivers following rtas. patients and methods our local accident research unit prospectively documented...