نتایج جستجو برای: behavior studies

تعداد نتایج: 1958846  

2003
Timothy Koschmann Alan Zemel

Cast as a manifesto, this chapter presents a set of foundational principles for conducting “video research” within the learning sciences. Our proposed approach draws chiefly upon the literature and methodology of Conversation Analysis (CA). Conversation Analysis developed out of and shares the thematic interests of the broader field of inquiry known as Ethnomethodology (EM). EM is centrally con...

Journal: :American journal of epidemiology 2008
Elizabeth J Samelson Jennifer L Kelsey Douglas P Kiel Anthony M Roman L Adrienne Cupples Marcie B Freeman Richard N Jones Marian T Hannan Suzanne G Leveille Margaret M Gagnon Lewis A Lipsitz

Conducting research in elderly populations is important, but challenging. In this paper, the authors describe specific challenges that have arisen and solutions that have been used in carrying out The MOBILIZE Boston Study, a community-based, prospective cohort study in Massachusetts focusing on falls among 765 participants aged 70 years or older enrolled during 2005-2007. To recruit older indi...

2015
Biao Luo Liang Wan Liang Liang Tieshan Li

Despite the perceived success of educational campaigns and smoking bans in public places in China, the actual effects have not been investigated. This study examines the effects of the two policies by major characteristics of smokers and whether the affected smokers have intention to quit smoking. A cross-sectional survey was conducted in 17 cities in China and 16,616 participants were selected...

Journal: :JASIST 2013
Jessica Lingel Danah Boyd

When information practices are understood to be shaped by social context, privilege and marginalization alternately impact not only access to—but also use of— information resources. In the context of information, privilege, and community, politics of marginalization drive stigmatized groups to develop collective norms for locating, sharing, and hiding information. In this paper, we investigate ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1385

خریداران عموماً در مورد کالاها براساس ویژگیهای بیرونی (extrinsic cues) آنها قضاوت می کنند ، به ویژه هنگامیکه سنجش ویژگیهای ذاتی کالا مشکل باشد. به همین علت است که کشـور سـازنده کـالـا، (country of origin or coo) ، یکی از این ویژگیهای بیرونی محصول ، عموماً برای ارزیابی کالاهای خارجی مورد استفاده قرار میگیرد. اثرات کشور سازنده کالا در حوزه رفتار خرید مصرف کننده (consumer buying behavior)بطور گسترده...

2015
Rajarshi Ghosh Joshua S. Bloom Aylia Mohammadi Molly E. Schumer Peter Andolfatto William Ryu Leonid Kruglyak

Individuals within a species vary in their responses to a wide range of stimuli, partly as a result of differences in their genetic makeup. Relatively little is known about the genetic and neuronal mechanisms contributing to diversity of behavior in natural populations. By studying intraspecies variation in innate avoidance behavior to thermal stimuli in the nematode Caenorhabditis elegans, we ...

Journal: :Health communication 2014
Maria Knight Lapinski Jenn Anderson Alicia Shugart Ewen Todd

Child care centers are a unique context for studying communication about the social and personal expectations about health behaviors. The theory of normative social behavior (TNSB; Rimal & Real, 2005 ) provides a framework for testing the role of social and psychological influences on handwashing behaviors among child care workers. A cross-sectional survey of child care workers in 21 centers in...

Journal: :Pediatrics 2009
Katherine King Melissa Martynenko Melissa H Bergman Ying-Hua Liu Jonathan P Winickoff Michael Weitzman

OBJECTIVE Smoking behavior is strongly influenced by the social environment. More information is needed about how the composition of households with children is associated with adult smoking behavior so that more effective interventions to reduce children's secondhand smoke exposure can be devised and implemented. METHODS Using data from the Medical Expenditure Panel Survey 2000-2004, we cond...

Journal: :Journal of child psychology and psychiatry, and allied disciplines 2016
Catherine R Glenn Evan M Kleiman Christine B Cha Matthew K Nock Mitchell J Prinstein

BACKGROUND The implicit association hypothesis of nonsuicidal self-injury (NSSI) proposes that individuals who engage in self-injury develop, over time, strong associations between themselves and NSSI, and their identification with this behavior guides their future selection of NSSI to cope. Prior research has established a relationship between implicit NSSI associations (using an Implicit Asso...

2013
Thaddaeus Egondi Caroline Kabiru Donatien Beguy Muindi Kanyiva Richard Jessor

Home-leaving is considered an important marker of the transition to adulthood and is usually framed as an individual decision. We move beyond this limited assumption to examine a broader conceptualization that might better illuminate home-leaving among youth in impoverished circumstances. We adopt the Problem Behavior Theory-framework to investigate the association of home-leaving with behavior...

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