نتایج جستجو برای: mobile phone jammers

تعداد نتایج: 231873  

M. Hosseini, M. Sheikh Fathollahi, N. Kamyab, Z. Mordouei,

Background: Excessive use of mobile phones is addictive and causes many complications. The severity of these complications depends on the duration of the call and the frequency of using mobile phones. Therefore, this study aimed to determine the effect of mobile phone waves on salivary secretion. Materials and Methods: This descriptive study was conducted on 120 dental students in Rafsanjan, Ir...

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...

2016
F. Shekoohi Shooli S. A. R. Mortazavi S. Jarideh S. Nematollahii F. Yousefi M. Haghani S. M. J. Mortazavi M. B. Shojaei-fard

BACKGROUND Substantial evidence indicates that exposure to electromagnetic fields (EMF) above certain levels can affect human health through triggering some biological responses. According to WHO, short-term exposure to EMF at the levels present in the home/environment do not cause any apparent detrimental effects in healthy individuals. However, now, there is a debate on whether long-term expo...

2015
A. Rafati S. Rahimi A. Talebi A. Soleimani M. Haghani S. M. J. Mortazavi

INTRODUCTION The rapid growth of wireless communication technologies has caused public concerns regarding the biological effects of electromagnetic radiations on human health. Some early reports indicated a wide variety of non-thermal effects of electromagnetic radiation on amphibians such as the alterations of the pattern of muscle extractions. This study is aimed at investigating the effects ...

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...

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