نتایج جستجو برای: cell phones

تعداد نتایج: 1695289  

2011
M. Beth Humble - Thaden

High school students are prohibited from using cell phones during the school day within most public schools in the United States; the majority of students, however, maintain possession of a personal cell phone within the high school setting. Most administrators and teachers regard cell phone possession and usage as a negative distraction and deterrent to learning rather than as an educational l...

2007
Mohamed Jemni Oussama El Ghoul Nour Ben Yahia Mehrez Boulares

Cell phones became extremely popular devices considering their vast utility world wide. However, making cell phones accessible to the deaf and hard-of-hearing community is still a challenge. Main available products on the market for this community offer no more than the possibility to boost/amplify volume. Many cellular provides individual cell phone models which are hearing aid compatible and ...

Introduction: Today concerns about the somatic and mental-emotional effects of exposure to electromagnetic waves have been raised. Although early thermal effects can not be attributed to these waves, It is necessary to investigate the long-term and side effects of these waves. One of the devices that has the most connection with electromagnetic waves is cell phones. In the pres...

2004
Brian Meekins David Morganstein

The percentage of households in the U.S. with a telephone is an important determinant of coverage in random digit dial (RDD) telephone surveys and also affects the efficiency of using the telephone as a mode of data collection in household surveys. In earlier years, RDD coverage issues were mainly concerned with households without phones because having a telephone in the household was nearly eq...

Journal: :Accident; analysis and prevention 2016
David M Sanbonmatsu David L Strayer Arwen A Behrends Nathan Ward Jason M Watson

The use of cell phones while driving is ubiquitous, particularly in countries where the practice is legal. However, surveys indicate that most drivers favor legislation to limit the use of mobile devices during the operation of a vehicle. A study was conducted to understand this inconsistency between what drivers do and what they advocate for others. Participants completed a survey about their ...

خزاعی, طیبه, درمحمدی, سمانه, سعادت‌جو, علیرضا, سلیمانی, منصوره, طوسی‌نیا, مرضیه, ملاحسن‌زاده, فاطمه,

Background and Aim: Various studies indicate that increasing and complicating use of cell phones in all age groups and in both sexes is associated with aggression. Despite the widespread use of mobile phones in Iran, psychological and behavioral effects of addiction to it and the consequences have not been investigated yet. The present study aimed at determining prevalence of mobile dependency ...

Journal: :South Dakota medicine : the journal of the South Dakota State Medical Association 2006
H Bruce Vogt

Journal: :Clinical chemistry 2012
Molly Webster Vikram Kumar

“Here we are just playing Angry Birds,” says Wilson To. “How do we unlock [the] smartphone’s potential?” To is trying to do just that at Caradigm, a joint health technology venture of GE Healthcare and Microsoft Corporation. To is the lead researcher and codeveloper of Lifelens, a mobile phone– based diagnostic tool. Lifelens is still in its visionary stage, but the hope is to change point-of-c...

Journal: :Telemedicine journal and e-health : the official journal of the American Telemedicine Association 2009
Santosh Krishna Suzanne Austin Boren E Andrew Balas

Regular care and informational support are helpful in improving disease-related health outcomes. Communication technologies can help in providing such care and support. The purpose of this study was to evaluate the empirical evidence related to the role of cell phones and text messaging interventions in improving health outcomes and processes of care. Scientific literature was searched to ident...

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