objective: this study has used item response theory (irt) to examine the psychometric properties of health-related quality-of-life. method: this investigation is a descriptive- analytic study. subjects were 370 undergraduate students of nursing and midwifery who were selected from tabriz university of medical sciences. all participants were asked to complete the farsi version of whoqol-bref. sa...

Matrix factorization (MS) is a collaborative filtering (CF) based approach, which widely used for recommendation systems (RS). In this research work, we deal with the content problem users in management system (CMS) on users' feedback data. The CMS applied publishing and pushing curated to employees of company or an organization. Here, have user's data solve problem. We prepare individual user ...

traditional and modern vocabulary instruction techniques have been introduced in the past few decades to improve the learners’ performance in reading comprehension. semantic mapping, which entails drawing learners’ attention to the interrelationships among lexical items through graphic organizers, is claimed to enhance vocabulary learning significantly. however, whether this technique suits all...

background: retinoblastoma is the most common embryonic tumor of retina of children. this tumor include 3-4% of all children malignancies during the age range 0-14 years. in this study, we reported the incidence, therapeutic protocols, and treatment outcome of children with rb in south west iran. methods: we retrospectively investigated the medical reports clinical and pathological features of ...