نتایج جستجو برای: or at least one parent

تعداد نتایج: 6646494  

Journal: :American journal of epidemiology 2005
Chiaojung J Tsai Sharon Perry Luz Sanchez Julie Parsonnet

To quantify the contributions of household and environmental factors to Helicobacter pylori infection, the authors examined H. pylori infection among several generations of Hispanics in the San Francisco Bay Area. Between 2000 and 2004, household members were tested for H. pylori and interviewed about demographic factors and household pedigree. An immigrant was defined as someone born in Latin ...

Journal: :Addictive behaviors 2007
Sarah Moore Patricia Sikora Leon Grunberg Edward Greenberg

In an effort to identify groups who may be more vulnerable to tension-reduction drinking [Frone, M. (2003). Predictors of overall and on-the-job substance use among young workers. Journal of Occupational Health Psychology, 8, 39-54.], we examine whether drinking alcohol in response to work stress varies as a function of whether workers were raised in homes where (a) both parents abstained from ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده ریاضی و کامپیوتر 1389

the concepts of similarity and dissimilarity have been the interest of many researchers. basically, in the studies the similarity between two objects or phenomena, has been discussed. in this thesis, we consider the case when the resemblance or similarity among three objects or phenomena of a set, 3-similarity in our terminology, is desired. later we will extend our definitions and propos...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1392

for any educational program to be successful, many factors work hand in hand. based on pervious efl studies, teachers and learners are the keys to gain achievement. granted the fact that explicit and implicit practice plays a key role in education, knowledge of it can help teachers facilitate students’ vocabulary learning. this study investigated to determine the contribution of explicit and i...

ژورنال: اعتیاد پژوهی 2013
سیفی ‏گندمانی, محمد یاسین , صفاری ‏نیا, مجید , کلانتری‏ میبدی, سارا ,

Aim: Narcotics and consequences of their consumers is one of the basic challenges of modern societies. Since family and parenting styles have an important impact on children's psycho social development, the present study investigated the effects of typology of family parenting on drug tendency in adolescent. Method: To do so, a sample of 375 male students was selected of Borujen public high sch...

Journal: :Current Biology 2004
Ifat Levy Uri Hasson Rafael Malach

How many neurons participate in the representation of a single visual image? Answering this question is critical for constraining biologically inspired models of object recognition, which vary greatly in their assumptions from few "grandmother cells" to numerous neurons in widely distributed networks. Functional imaging techniques, such as fMRI, provide an opportunity to explore this issue, sin...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1394

learning english is very popular all over the world nowadays and it is considered a high prestigious language among citizens of different societies. one of the most important materials for learning a new language are textbooks. the debate that whether learning a new language is natural and neutral or ideological and influential on people’s worldviews, has always been of great importance.

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