materials and methods the development of the trauma registry form began in february 2013. the variables were finalized by a team consisting of general and trauma surgeons, specialists in emergency medicine, orthopedists, neurosurgeons, and public health professionals who have special interest in trauma research. the scale was sent to 10 specialists for validation. results after assessing the sc...

background symptoms of gastro-esophageal reflux disease (gerd) affect health-related quality of life (hrqol). when a questionnaire is translated into a new language, linguistic validation is necessary, yet insufficient, unless the psychometric characteristics have been verified. the aim of this study is to document the translation and psychometric validation of the persian translation of the qu...

objectives: the present research aims to prepare an iranian police job satisfaction inventory (ipjsi) by using confirmative factor analysis as well as to evaluate the validity and reliability of it. method: a group consisting of 2933 iranian police employees chosen by stratified random sampling method from a number of police departments throughout the country completed the ipjs inventories. val...

background: the gail model has been widely used for estimation of absolute risk of breast cancer development. the original model and most of the validation studies have been performed among western populations and controversial results have been reported regarding the applicability of this model in asian populations. our aim was to investigate the performance of this model in iranian women. met...

the use of l1 in language classroom has been traditionally repressed by applied linguists. however, in recent years, it is believed that switching to l1 can be considered a pedagogical instrument by teachers rather than a heterodox. consequently, this two-phase study was an attempt to investigate the functions that are fulfilled by efl teachers through their use of l1. in the first phase (i.e.,...

conclusions the evaluation of the questionnaire for identifying the individuals in the risk of addiction showed that the questionnaire benefits from appropriate validity and reliability. therefore, it can be used in preventive fields and research. moreover, by illuminating interpersonal factors that are effective in drug abuse, proper strategies can be used to prevent drug addiction. results in...

background: to determine the atmospheric contamination by pesticides, conducting laboratory studies is necessary before operating field studies. the aim of this research study was to develop an analytical method to sample and simultaneously determine airborne amitraz and its metabolite. methods: a modified fritted impinger with acetonitrile as the liquid sorbent was used in order to study the a...

a sensitive fluorometric method for the determination of deferiprone (dfp) based on the formation of a luminescent complex with tb3+ ions in aqueous solutions is reported. the maximum excitation and emission wavelengths were 295 and 545 nm, respectively. the effects of various factors on the luminescence intensity of the system were investigated and optimized, then under the optimum conditions,...

there is a great interest in developing rapid analytical methods and provide appropriate parametersfor quantitative analysis of compounds derived from refractory pollutants. such methods are important forroutine quality control analysis of an effluent before being discharged into the environment. therefore, a rapid methodology for identification and quantification of some aliphatic acids is pro...

background and objectives: this study aimed to develop and validate a food frequency questionnaire (ffq) for measuring calcium intake in 9-13 years old children in tehran, iran. materials and methods: a 56-item ffq containing main contributors of calcium in iranian diet was designed. criterion validity of the calcium specific ffq was evaluated through comparing its result with five 24-h recalls...