نتایج جستجو برای: prevailing age group

تعداد نتایج: 1583694  

2017
Kristin Haraldstad Knut-Andreas Christophersen Sølvi Helseth

BACKGROUND Pain problems are common in children and adolescents. Measures of health-related quality of life (HRQoL) can be used to assess children's subjective perspectives of pain experience and its impact on their life. The aims of the study were to describe HRQoL and the prevalence of pain in a nonclinical population of children and adolescents, and to analyze the relationships between HRQoL...

2016
Daniel L. King Alex Russell Sally Gainsbury Paul H. Delfabbro Nerilee Hing

Background and aims Social casino games (SCGs) are not technically considered a form of gambling but they do enable players to spend money in a game that is gambling themed or structurally approximate to gambling. It has been theorized that SCGs could be a gateway to gambling activities or otherwise normalize the experience of gambling for young people, particularly when money becomes involved....

Journal: :Public health nutrition 2016
Trine Pagh Pedersen Bjørn E Holstein Rikke Krølner Annette Kjær Ersbøll Thea Suldrup Jørgensen Anne Kristine Aarestrup Jennifer Utter Sarah A McNaughton Dianne Neumark-Stzainer Mette Rasmussen

OBJECTIVE To investigate: (i) how lunch frequency of adolescents varies between schools and between classes within schools; (ii) the associations between frequency of lunch and individual sociodemographic factors and school characteristics; and (iii) if any observed associations between lunch frequency and school characteristics vary by gender and age groups. DESIGN Cross-sectional study in w...

2010
Emiko Tanaka Etsuko Tomisaki Ryoji Shinohara Yuka Sugisawa Lian Tong Taeko Watanabe Yoko Onda Yuri Kawashima Maki Hirano Yukiko Mochizuki Kentaro Morita Amarsanaa Gan-Yadam Yuko Yato Noriko Yamakawa Shoji Itakura Tamiko Ogura Aya Kutsuki Misa Kuroki Tokie Anme

BACKGROUND The purpose of this study was to examine the relations between children's social competence and initial index of theory of mind at 30 months of age. METHODS The participants of the study were 322 toddlers and parents/caregivers who were registered with the Japan Science and Technology Agency (JST) project. They completed a five-minute interaction session, which was coded using the ...

Journal: :Journal of applied behavior analysis 2005
Catherine A Cote Rachel H Thompson Paige M McKerchar

We compared the effects of two antecedent strategies commonly used in early childhood settings to increase compliance during activity transitions: a warning condition, in which children were informed of the transition 2 min before it began, and a condition in which children were allowed access to a toy during the transition. Both antecedent interventions were ineffective when implemented alone;...

Journal: :Psychological science 2013
Michael Ramscar Melody Dye Joseph Klein

The question of how children learn the meanings of words has long puzzled philosophers and psychologists. As Quine famously pointed out, simply hearing a word in context reveals next to nothing about its meaning. How then do children learn to understand and use words correctly? Here, we show how learning theory can offer an elegant solution to this seemingly intractable puzzle in language acqui...

2010
Jana Pelclová Walid El Ansari Jana Vašíčková

This study assessed the physical activity (PA) levels and its variability across days, months and seasons of two groups of high school pupils: those who did and those who did not participate in regular organized after-school physical activity (ASPA). Thirteen pupils wore pedometers continuously for one school-year, logged their step counts into record sheets and were then interviewed for inform...

2013
Mario A. Legramandi Bénédicte Schepens Giovanni A. Cavagna

In an ideal elastic bounce of the body, the time during which mechanical energy is released during the push equals the time during which mechanical energy is absorbed during the brake, and the maximal upward velocity attained by the center of mass equals the maximal downward velocity. Deviations from this ideal model, prolonged push duration and lower upward velocity, have found to be greater i...

Journal: :Journal of applied behavior analysis 2007
Catherine A Cote Rachel H Thompson Gregory P Hanley Paige M McKerchar

Teachers were asked to identify and rank 10 preferred stimuli for 9 toddlers, and a hierarchy of preference for these items was determined via a direct preference assessment. The reinforcing efficacy of the most highly preferred items identified by each method was evaluated concurrently in a reinforcer assessment. The reinforcer assessment showed that all stimuli identified as highly preferred ...

Journal: :Vision Research 2009
Ruxandra Sireteanu Regina Rettenbach Manuela Wagner

Sudden events and sharp discontinuities in the external world act as powerful attention attractors in adult humans. Does this reflex-like orienting towards targets deviating from their surround occur in early infancy? Here, we present evidence that, during the first months of life, infants orient preferentially towards repetitive visual patterns, rather than towards uniquely deviating targets. ...

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