Research indicates that in experimental settings, young children of 3-7 years old are unlikely to devise a simple tool to solve a problem. This series of exploratory studies done in museums in the US and UK explores how environment and ownership of materials may improve children's ability and inclination for (i) tool material selection and (ii) innovation. The first study takes place in a child...

background: burnout syndrome is the most dangerous threatening factor of worker’s health working in health. the aim of this study was determined the relationship between burnout and performance of health house workers in east azerbaijan. method: this is a cross sectional study which have been done on 89 health house workers in east azerbaijan’s. data collection by jackson and mazlak’s standard ...

there have been a lot of debates between law authors about formation of valid sale contract to the building while constructing for a long time. after enactment of forward sale act in 1389 forward sale building during construction process accepted. however some facts were not answered clearly when the transferring of ownership will be happened: through official forward sale contract or transferr...

the paper studies of the effect the related and unrelated diversification for products and ownership structure on capital structure for a sample of 87 firms out of 19 industry listed on the tehran stock exchange during the period 2004- 2009. for to regress of models to apply of multivariate approach include panel data and cross-sectional regressions. this study adopts panel fixed effects regres...

the present research with an emphasis on coffee houses at qajar age has recognized motives and effect of social and political factors such as conditional event in formation of art traditions in coffee house so as to examine the communication function of coffee house painting at this space. coffee house at qajar age has been found as a place for people’s gathering which had communicative-cultura...

The aim of this study is to investigate the effects of corporate governance mechanisms in preventing the bankruptcy of companies listed in Tehran Stock Exchange. For this purpose, corporate governance mechanisms, including institutional ownership, non-executive members of the board, CEO dual responsibility and free float stock are determined as independent variables and Bankruptcy based on the ...

Given more than seven thousand years of urbanization and highly diverse topographic andgeographical conditions, Iran is one of the treasures through the world's architectural history. Climatic diversity,on the one hand, and long history of living, on the other hand, has led to noteworthy and valuable achievement inarchitecture and urbanization within this country. However, these elements are le...

Introduction: Nowadays, bedbug infestation is one of the public health problems around the world. The objective of this study was to evaluate the spatial distribution of bedbug in different parts of the infested houses. Moreover, the association between house sanitation and presence of bedbug infestation was determined in infested houses in Ahvaz City, Iran. Materials and Methods: Totally, 57 ...