background and purpose: birth outcomes and fertility measures are commonly evaluated in maternal and child health integrated program (mchip) in the field of public health. given the key role of time- trend study in the projection of current data to the future, this population-based study aimed to describe the significant changes of birth outcomes and fertility measures in the rural population o...

any planning for the future requires estimates of future conditions. it is possible to study changes over time series. in this study, changes of production and cultivated area of 17 field crops of khorasan razavi province in a 25-year period were determined with mann - kendall test, sen’s estimator slope and linear regression. analysis of the three tests showed that performance of 76.5% from yi...

this study examines development of social competence, and behavior problems in kindergarten children during a specific period of childhood.a sample of 499 kindergarten children (244 girls and 255 boys) with the age range of 2 years up to 5 years and 6 months was selected using the random stratified sampling method. to collect data, california preschool social competence scale and social skills ...

physical characteristics of different features in desert is a reflection of severe thermal and climatic conditions. in this paper, diurnal surface temperature patterns of important surface features in lut desert were studied and the relationship among different surfaces analyzed. diurnal trend in surface temperature of surface types, marl, dark sand, light sand, salt-affected soil, soul at 10 c...