نتایج جستجو برای: mobile phone data

تعداد نتایج: 2582791  

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
Michael O. Mireku William Mueller Charlotte Fleming Irene Chang Iroise Dumontheil Michael S.C. Thomas Marloes Eeftens Paul Elliott Martin Röösli Mireille B. Toledano

Mobile phone use, predominantly smartphones, is almost ubiquitous amongst both adults and children. However adults and children have different usage patterns. A major challenge with research on mobile phone use is the reliability of self-reported phone activity for accurate exposure assessment. We investigated the agreement between self-reported mobile phone use data and objective mobile operat...

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...

Journal: :progress in biological sciences 2014
behnaz hajiuon

electromagnetic waves can damage sex organs and cause hormonal disorders, and garlic isknown to reduce risk factors for various diseases. the aim of this study was to investigate theprobable effects of mobile phone radiation and the consumption of garlic on testosterone levelsand testicular changes. five groups of rats were used: control, sham (exposed to 900 mhzwavelength), experimental group ...

Fatemeh Kholghi Mohammad Atefi Seyed Mohammad Javad Mortazavi

Background: The use of mobile phone by children is increasing drastically. Children are likely to accumulate many years of exposure during their lives. Furthermore, as nervous systems in children are developing, children may be at a greater risk compared to adults. In this light, some scientists have suggested that the use of mobile phones should be restricted in high-risk groups such as childr...

Journal: :journal of biomedical physics and engineering 0
m eghlidospour smj mortazavi f yousefi sar mortazavi

mobile phone use and wireless communication technology have grown explosively over the past decades. this rapid growth has caused widespread global concern about the potential detrimental effects of this technology on human health. stem cells generate specialized cell types of the tissue in which they reside through normal differentiation pathways. considering the undeniable importance of stem ...

The study investigated the roles of different stakeholders influencing the use of mobile phones in accessing agricultural information in Tanzania. While information is becoming an important ingredient in agriculture, farmers in Tanzania suffer the problem of lacking access to agricultural information. Promisingly, mobile phone technology has become the most valued infrastructure which gives peo...

Journal: :Connections 2014
W Scott Comulada

Mobile phone-based data collection encompasses the richness of social network research. Both individual-level and network-level measures can be recorded. For example, health-related behaviors can be reported via mobile assessment. Social interactions can be assessed by phone-log data. Yet the potential of mobile phone data collection has largely been untapped. This is especially true of egocent...

2009
Paula Vicente Elizabeth Reis Maria Santos

The increase in mobile phone penetration is stimulating a trend towards the use of mobile phones to supplement or even replace traditional telephone surveys. Despite this trend, few studies have systematically compared differences between the two modes. This paper describes a study in which both mobile and fixed phones were used to collect data on a national survey on internet and cultural prac...

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