purpose: the purpose of this paper is to identify the main elements of collection and collection management policy of information center & central library of ferdowsi university of mashhad. methodology: this study was an applied research study done through a survey analysis. the population of this study comprised of a representative group of managers, experts, and librarians. the data collectio...

This study aims to develop diosidro learning media by identifying the feasibility of through validity, responsiveness, and effectiveness. research is development, ADDIE model which consists analysis, design, implementation, evaluation. The analysis stage carried out needs for developing hydrological cycle diorama interviews observations. design designing framework prototype. compiling diosodro ...

the purpose of this research was to study the role of non-governmental organization inpreserving of urban green areas in the city of tehran. this is a descriptive-correlationresearch method. population of this study was 120 active members of two non-governmentalorganizations in tehran. after distributing the questionnaires, 62 questionnaires werereturned. content and face validity of the instru...

BACKGROUND AND OBJECTIVES Hospitals are complex organizations that require strong and effective management. The success of such organizations depends on the performance of managers. This study provides a comprehensive set of indicators to assess the performance of hospital managers in Iranian Ministry of Health owned hospitals. METHODS This research was a cross-sectional study. First, reviewi...

the main purpose of this study was to investigate experts’ perceptions of barriers to organic farming in ministry of agriculture. the population of this survey consisted of the experts in department of horticultural products, ministry of agriculture in 2008-2009 (n= 160). using of kerejcie and morgan table, 113 experts were selected through stratified random sampling method. validity of the ins...

abstract background: the incidence of pregnancy induced hypertension (pih) which is one of the three main causes of maternal-neonatal morbidity and mortality is 5-7%, and prediction of this disorder is very important in maternal and neonatal health. methods: the type of this study is analytical (comparative-prospective) and its purpose is to evaluate the isometric exercise test (let) and roll-o...

BACKGROUND AND PURPOSE A virtual-reality learning environment dedicated to prostate biopsies was designed to overcome the limitations of current classical teaching methods. The aim of this study was to validate reliability, face, content, and construct of the simulator. MATERIALS AND METHODS The simulator is composed of (a) a laptop computer, (b) a haptic device with a stylus that mimics the ...