نتایج جستجو برای: mobile phone jammer

تعداد نتایج: 232133  

2016
Ilsun You

With the rapid evolution of computing paradigms and the increasing popular of mobile devices, newly emerging mobile computing paradigms become more and more prevalent, such as crowd-souring computing, human-centred computing, mobile cloud computing etc. Moreover, with the emergence of new computing paradigms, communication networks experience unprecedented transformation which greatly improves ...

2018
Songli Mei Jingxin Chai Shi-Bin Wang Chee H. Ng Gabor S. Ungvari Yu-Tao Xiang

This study examined the frequency of mobile phone dependence in Chinese university students and explored its association with social support and impulsivity. Altogether, 909 university students were consecutively recruited from a large university in China. Mobile phone use, mobile phone dependence, impulsivity, and social support were measured with standardized instruments. The frequency of pos...

2013
Nila Nathan Jamie Zeitzer

BACKGROUND Mobile phone use is near ubiquitous in teenagers. Paralleling the rise in mobile phone use is an equally rapid decline in the amount of time teenagers are spending asleep at night. Prior research indicates that there might be a relationship between daytime sleepiness and nocturnal mobile phone use in teenagers in a variety of countries. As such, the aim of this study was to see if th...

2016
Zhaocai Jiang Xiuxin Zhao

BACKGROUND With the popularity of mobile phones, problematic mobile phone use is getting increasing attention in recent years. Although self-control was found to be a critical predictor of problematic mobile phone use, no study has ever explored the association between self-control and mobile phone use patterns as well as the possible pathway how self-control affects problematic mobile phone us...

Journal: :Computers in Human Behavior 2016
Li Chen Zheng Yan Wenjie Tang Fuyin Yang Xiaodan Xie Jincai He

This study evaluated the mediating role of interpersonal problems in the link between mobile phone addiction levels and negative emotions among mobile phone addicts and possible-mobile phone addicts respectively. The purpose of this study was to address two gaps in research. First, previous research has revealed that a positive association existed between mobile phone addiction levels and negat...

2007
Norbayah Mohd Suki Norazah Mohd Suki

Purpose – Mobile technologies offer the opportunity to embed learning in a natural environment. The objective of the study is to examine how the usage of mobile phones for m-learning differs between heavy and light mobile phone users. Heavy mobile phone users are hypothesized to have access to/subscribe to one type of mobile content than light mobile phone users, to have less frequent access to...

Introduction: There have been many studies conducted on the effects of mobile phones radiations on people’s health due to increasing number of mobile phones users. The present study aimed to investigate the effects of electromagnetic waves generated from 3G and 4G mobile phone radiations on student’s reaction time and short-term memory. <stro...

ژورنال: سلامت کار ایران 2014

Background and aims: Increasing use of cell phone while driving is actually part of a disturbing trend of technological impact on reducing the driver's attention. Using the phone during driving increase crash probability between 3 to 6.5 times. Cell Phone may deviate drivers’ attention of the driving and it lead to a reduction in driver's situation awareness. The present study investigated the ...

Background: Mobile phone is one of the most important necessary tools in today’s life which can threaten people’s health in some conditions. The present study was carried out to compare the effect of educational intervention by short message and pamphlet on the behavior of steel factory staff in Ardakan, Yazd province, Iran.Materials and Methods: The present study was experimentally carried out...

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