نتایج جستجو برای: trend had decreasing behavior
تعداد نتایج: 1737341 فیلتر نتایج به سال:
The Purpose of this research was to investigate parental monitoring role and affiliation with deviant peers in high risk behavior. The design of the current study involves correlation using structural equation modeling. The population of the current study involve all male and female adolescent in Tehran high school from which 1241 were selected through cluster sampling. To collect the data, dif...
Primary gallbladder cancer is an aggressive and uncommon cancer with poor outcomes. Our study examines epidemiology, trend, and survival of gallbladder cancer in the United States from 1973 to 2009. We utilized the Surveillance Epidemiology and End Results database (SEER). Frequency and rate analyses on demographics, stage, and survival were compared among non-Hispanic whites, Hispanics, Africa...
the purpose of this study is to investigate the relationships between teachers’ immediacy behaviors and iranian students’ willingness to talk in english classes. analysis of the results from willingness to talk scale represents a relatively high level of willingness to talk in english classrooms among iranian language learners. the total mean score of students’ willingness to talk was 66.3 ou...
introduction: electrolyte imbalances are very common among crushed earthquake victims but there is not enough data regarding their trend of changes. the present study was designed to evaluate the trend of changes in sodium, calcium, and phosphorus ions among crush syndrome patients. methods: in this retrospective cross-sectional study, using the database of bam earthquake victims, which was dev...
OBJECTIVES To identify and evaluate the trend of meal-skipping rates among Korean adolescents with their contributing causes and the influence of household income level on meal skipping. METHODS Using 2008, 2010, and 2012 data from the Korea Youth Risk Behavior Web-based Survey of 222 662 students, a cross-sectional study with subgroup analysis was performed. We calculated odds ratios for ski...
OBJECTIVE To assess the relationship of breakfast intake with psychiatric distress and violent behaviors among Iranian children and adolescents. METHODS This national survey was conducted among 14,880 students, aged 6-18 y. They were selected by stratified multistage sampling method from urban and rural areas of 30 provinces of Iran. Breakfast intake, psychiatric distress, and violent behavio...
Today one of the ecological crisis is the phenomenon of desertification that affecting the world. Desertification is more related to social and anthropogenic issues than natural causes and it becomes more important over the time. Monitoringis the systematic collection and analysis of information as a project progresses. In this study, using AHP method and GIS techniques has been to assess deser...
We present the results of an experimental investigation into the stability of steep interfacial waves in two immiscible liquid layers subject to horizontal oscillations. Two-dimensional waves, which arise beyond a critical forcing speed Vc (product of forcing frequency and amplitude), can in turn lose stability to oscillatory transverse amplitude modulations with a near sub-harmonic response at...
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