نتایج جستجو برای: effective population size

تعداد نتایج: 1799643  

Journal: :Proceedings of the Royal Society B: Biological Sciences 2008

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده روانشناسی و علوم تربیتی 1391

the purpose of this study was the relationship between problem – solvi ability with fdi cognitive style of students.the research method was correlation method. for data analysis pearson test was used. statistical society in this research was all the students of alligoodarz city in 1391-92 year.to sampling of statiscal population was used sampling multi-stage random the size of sample selected 2...

Journal: :iranian journal of public health 0
mohsen shati 1. dept. of epidemiology and biostatistics, school of public health, tehran university of medical sciences , tehran, iran. aliakbar haghdoost 2. research center for modeling in health, institute for futures studies in health, kerman university of medical sciences , kerman, iran. reza majdzadeh 1. dept. of epidemiology and biostatistics, school of public health, tehran university of medical sciences , tehran, iran. kazem mohammad 1. dept. of epidemiology and biostatistics, school of public health, tehran university of medical sciences , tehran, iran. seyedesalehe mortazavi 3. dept. of health promotion and education, school of public health, tehran university of medical sciences , tehran, iran.

network scale-up is an indirect method for estimating the size of hidden, hard-to-count or high risk populations. social network size estimation is the first step in this method. the present study was conducted with the purpose of estimating the social network size of the tehran province residents and its determinants.maximum likelihood estimation was applied to estimate people's network sizes ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید