Results 241 to 250 of about 15,289,136 (259)
Some of the next articles are maybe not open access.
Academic Pediatrics, 2023
To examine the associations of passive (ie, television) and active (ie, electronic games, computer use) screen time (ST) with perceived school performance of adolescents across gender.Data were from the 2014 Health Behaviour in School-aged Children survey conducted across 38 European countries and Canada. Perceived school performance was assessed using
Sjaan Gomersall +2 more
exaly +5 more sources
To examine the associations of passive (ie, television) and active (ie, electronic games, computer use) screen time (ST) with perceived school performance of adolescents across gender.Data were from the 2014 Health Behaviour in School-aged Children survey conducted across 38 European countries and Canada. Perceived school performance was assessed using
Sjaan Gomersall +2 more
exaly +5 more sources
Social Psychiatry and Psychiatric Epidemiology, 2020
To quantify the strength of association between passive and active forms of screen time and adolescent major depressive episode and anxiety disorders.Data from the 2014 Ontario Child Health Study, a representative sample of 2,320 adolescents aged 12-17 years in Ontario (mean age = 14.58, male = 50.7%) were used.
Katholiki Georgiades +2 more
exaly +3 more sources
To quantify the strength of association between passive and active forms of screen time and adolescent major depressive episode and anxiety disorders.Data from the 2014 Ontario Child Health Study, a representative sample of 2,320 adolescents aged 12-17 years in Ontario (mean age = 14.58, male = 50.7%) were used.
Katholiki Georgiades +2 more
exaly +3 more sources
Journal of Affective Disorders, 2023
High screen use has been adversely linked with mental wellbeing; however, little is known about how active versus passive screen time are associated with sleep-onset difficulties among adolescents.We analysed data from 38 European and North American countries that participated in the 2014 Health Behaviour in School-aged Children (HBSC) survey ...
Elizabeth Edwards +2 more
exaly +5 more sources
High screen use has been adversely linked with mental wellbeing; however, little is known about how active versus passive screen time are associated with sleep-onset difficulties among adolescents.We analysed data from 38 European and North American countries that participated in the 2014 Health Behaviour in School-aged Children (HBSC) survey ...
Elizabeth Edwards +2 more
exaly +5 more sources
Active and Passive Screen Time for Children Aged 5–6
Sotsiologicheskie issledovaniyaThe social situation of development largely determines the cognitive and emotional development of a child. The use of digital devices is an important part of the social situation in development of modern preschool children. By the age of 5–6, children start using digital devices independently and in various modes highlighting importance of ...
Elena A. Chichinina +2 more
openaire +1 more source
2010 International Workshop on Antenna Technology (iWAT), 2010
At present, the imaging of concealed weapons and contraband is primarily carried out at a relatively short stand-off range of a few meters mainly because of spatial resolution considerations. In order to maintain a reasonable aperture size, there is a desire to extend the operating frequency towards 1 THz.
Luukanen, Arttu +10 more
openaire +2 more sources
At present, the imaging of concealed weapons and contraband is primarily carried out at a relatively short stand-off range of a few meters mainly because of spatial resolution considerations. In order to maintain a reasonable aperture size, there is a desire to extend the operating frequency towards 1 THz.
Luukanen, Arttu +10 more
openaire +2 more sources
Journal of Chromatography A, 2015
The aim of this study was first to develop and validate an analytical method for the quantification of 35 polar pesticides and 9 metabolites by ultra-high-performance-liquid chromatography combined with a high resolution time-of-flight mass spectrometer detector (UHPLC-(Q)-TOF).
Guibal, Robin +5 more
openaire +3 more sources
The aim of this study was first to develop and validate an analytical method for the quantification of 35 polar pesticides and 9 metabolites by ultra-high-performance-liquid chromatography combined with a high resolution time-of-flight mass spectrometer detector (UHPLC-(Q)-TOF).
Guibal, Robin +5 more
openaire +3 more sources
Relationship Between Screen Time and Chinese Children’s Cognitive and Social Development
Journal of Research in Childhood Education, 2020Timothy Teo, Biying Hu, Zhongling Wu
exaly
Passive Seismic Source Imaging using Elastic Generalized-Screen Time-Reversal Method
NSG 2025: 31st Meeting of Environmental and Engineering GeophysicsB. Kim, R.L. Gibson
openaire +1 more source