Video quality estimation is crucial for the efficient management of video delivery services. Particularly with the advances in screen technology and content delivery networks, getting an accurate estimation of the video quality as it is actually perceived by the user, is a key factor in delivering high quality-of-experience. Psychometric scaling provides the tools to measure the impact that dif...

The increasing evidence for response shift phenomena in quality of life (QOL) assessment points to the necessity to reconsider both the measurement model and the application of psychometric analyses. The proposed psychometric model posits that the QOL true score is always contingent upon parameters of the appraisal process. This new model calls into question existing methods for establishing th...

background different measuring tools have been used to understand the outcomes of renal replacement therapies. the goal of renal transplantation is both to ensure survival, and to promote quality of life in the patients. one of the widely used disease-specific instruments to measure the quality of life is the kidney transplant questionnaire (ktq-25). objectives the current study aimed to perfor...

background: infertility has potentially inappropriate effects on quality of life in infertile couples. various general and specific questionnaires have been structured for assessing different aspects of quality of life in infertile men, women, or couples. the present systematic review was designed to assess these questionnaires and also identify different factors affecting infertile couples bas...

introduction: methodologically correct assessment of patient satisfaction (ps) plays a crucial role for quality-improvement purposes. evaluation of iranian literature on emergency department’s ps resulted in an emerging need for developing a new instrument with satisfactory psychometric properties. the present study, aimed to develop and initially validate a scale to measure ps in emergency dep...

In assessment a considerable shift in thinking has occurred from assessment of learning to assessment for learning. This has important implications for the conceptual framework from which to approach the issue of assessment, but also with respect to the research agenda. The main conceptual changes pertain to programmes of assessment. This has led to a broadened perspective on the types of const...

separation anxiety disorder (sad) is the most commonly diagnosed and impairing childhood anxiety disorder. given that sad symptoms in early childhood have been linked to later psychopathology, early identification and treatment of it is critical. the aim of the present study was the examination of validity and reliability of separation anxiety assessment scale-parent version (saas-p) (hahn, haj...

background: pragmatics is appropriate use of language across a variety of social contexts  that  provides accurate interpretation   of   intentions.   the   occurrence    of   the right hemisphere lesions can interfere with pragmatic abilities, and particularly with the processing of nonliteral speech acts. methods: since the objective of this study was to assess different  aspects of pragmatic...