quality of service (qos) refers to a set of rules or techniques that help the network administrators use the available network resources optimally to manage the effects of congestion and to treat the applications according to their needs. the differentiated services architecture (diffserv) allows providing quality of service to users. the major diffserv premise is that individual flows with sim...

the present research is classified as an applied one employing a descriptive survey design to describe the status quo of the factors affecting customers’ satisfaction with the e-service centers of iran’s police, known as 10 + police centers. the research population involves all the costumers of the 10+ police centers, among which 420 individuals were chosen through simple random sampling techni...

objective: to investigate the application of quality function deployment (qfd) in the central library reference service quality science.methodology / approach: this study was a descriptive survey research and application. research instrument, libqual questionnaire and interview. the three-stage qfd model and the concentration of 7-seater model were used to determine the correlation matrix. the ...

abstract background and aim: visual impairment affects people's quality of life. since the effect of rehabilitation services is measured by improving in quality of life, this study was performed to evaluate the effect of rehabilitation services on quality of life in the blind. materials and methods: 121 blind and low vision people who covered by zahedan welfare organization were studied by...

introduction: quality of health services is the rate of achievement to the most desirable resultants of health, so that provided services are effective, efficient, and affordable. thus, quality evaluation can be an important source of information for recognition of problems and favorable plans in provision of treatment services. method: in this cross-sectional study, criteria of quality in hosp...