the present study investigates the effect of different exposure densities on third grade iranian junior high school (ijhs) students’ efl development and retention. it also attempts to explore whether there is any differential performance due to type of post-exposure assessment tasks (recognition vs. written production). performances of five groups of learners receiving equal amount of exposure ...

introduction: epilepsy is the most serious and prevalent neural disorder during childhood which its pervalance is increasing. the combination of epilepsy and mental ratardation leads to a considerable challenge and an economic load on the health system. the aim of this cross – sectional study was to identify the prevalence and monitoring of epilepsy among  6 to 21 years old mentally retarded st...

ntroduction: Electrocautery device is one of the most widely used electronic devices in operating rooms despite its advantages in operations, production risks such as the halo of smoke above the operating position. The smoke with hazardous substances,cause to transmitting HIV, HPV and hepatitis and complications such as respiratory distress, nausea and vomiting, eye irritation, headache, and so...

abstract  this paper  aims at investigating the metacognitive knowledge of solving problem among primary school students with high and low school achievement. two other variables of the students’ grade and sex were also accounted for. the participants were 232 boy and girl students from forth and fifth grades which were randomly selected and divided into two groups of high  and low achievers . ...

Platform ecosystem provides internal firms with an abundant source of green technology knowledge for sustainable development. In a low-carbon economy, could be accumulated via platform, thus utilized to achieve energy conservation and emission reduction. From firm’s social capital perspective, this study explores the effects platform IT capabilities external informal governance on integration. ...

Background and purpose: Scorpion sting is one of the major health problems of undeveloped countries, which causes severe complications and sometimes death.This study aimed toassessment Knowledge of scorpion sting patients who admitted to Ahvaz Razi Hospital about pre-hospital care. Materials and Methods: This is a descriptive study, which its participants were sampled by a pilot method, and ...

Background & aim: Avoiding unintended pregnancy is an important issue among college students. Emergency contraception is considered as a practical method to prevent pregnancy after unprotected sex. This study was conducted to measure the knowledge of college students regarding emergency contraception in Zanjan, Iran. Methods: This cross-sectional study was conducted among 911 college students, ...