نتایج جستجو برای: 21 hours are more risky

تعداد نتایج: 6057563  

Journal: :Children and youth services review 2015
Tiarney D Ritchwood Haley Ford Jamie DeCoster Marnie Sutton John E Lochman

This study presents the results of a meta-analysis of the association between substance use and risky sexual behavior among adolescents. 87 studies fit the inclusion criteria, containing a total of 104 independent effect sizes that incorporated more than 120,000 participants. The overall effect size for the relationship between substance use and risky sexual behavior was in the small to moderat...

2013
Kira Bailey Robert West Judson Kuffel

Recent work has revealed a relationship between pathological video game use and increased impulsivity among children and adolescents. A few studies have also demonstrated increased risk-taking outside of the video game environment following game play, but this work has largely focused on one genre of video games (i.e., racing). Motivated by these findings, the aim of the current study was to ex...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1376

saluk mount is selected for devonian biostratigraphy. this area located at southwest of bojnurd. in this study three sections are selected and two sections, chahar-borj and tabar sections with a thickness of 650 m, which consist mainly of calcareous sediments was studied in detailed but third section, qelli section, with a thickness of about 450m which consist mainly of sandstone and evaporates...

Journal: :Perception 1992

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی صنایع 1387

according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...

2013
Frederick Verbruggen Rachel C. Adams Felice van ‘t Wout Tobias Stevens Ian P. L. McLaren Christopher D. Chambers

A recent study has shown that short-term training in response inhibition can make people more cautious for up to two hours when making decisions. However, the longevity of such training effects is unclear. In this study we tested whether training in the stop-signal paradigm reduces risky gambling when the training and gambling task are separated by 24 hours. Two independent experiments revealed...

2013
Matthias Köhler Klaus Düllmann Heinz Herrmann Christoph Memmel

In this paper, we analyze the impact of banks’ non-interest income share on risk in the German banking sector for the period between 2002 and 2010. Using linear and quantile regression estimators, we find that the impact of non-interest income on risk significantly differs depending on banks’ overall business model. More specifically, we show banks with retail-oriented business model such as sa...

2015
Mariana Brussoni Rebecca Gibbons Casey Gray Takuro Ishikawa Ellen Beate Hansen Sandseter Adam Bienenstock Guylaine Chabot Pamela Fuselli Susan Herrington Ian Janssen William Pickett Marlene Power Nick Stanger Margaret Sampson Mark S. Tremblay Paul B. Tchounwou

Risky outdoor play has been associated with promoting children's health and development, but also with injury and death. Risky outdoor play has diminished over time, concurrent with increasing concerns regarding child safety and emphasis on injury prevention. We sought to conduct a systematic review to examine the relationship between risky outdoor play and health in children, in order to infor...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1392

this study investigated how group formation method, namely student-selected vs. teacher-assigned, influences the results of the community model of teaching creative writing; i.e., group dynamics and group outcome (the quality of performance). the study adopted an experimental comparison group and microgenetic research design to observe the change process over a relatively short period of time. ...

ژورنال: طب کار 2012
امینیان, امید, مقصودی‌پور, مریم , منصوری, پروین,

Introduction: In previous studies the appearance of vitiligo following occupational exposure has been defined. This study evaluates high risk occupational exposures before the onset of disease among patients with vitiligo Methods: All vitiliginous patients refered to dermatologic clinic of Imam Hospital, were asked about age of onset, recent and previous occupations, risky occupational exposur...

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