نتایج جستجو برای: age group
تعداد نتایج: 1570562 فیلتر نتایج به سال:
Some differences in behavioral characteristics have been attributed to atopic dermatitis (AD). In this study, AD patients compared with healthy toddlers had significantly higher scores in perceptual sensitivity and high pleasure in an early childhood behavior questionnaire (ECBQ). They tended to be more energetic and impulsive, and also showed more excitement when subjected to novel stimuli.
Public health guidelines for physical activity (PA) behaviors are being updated with 2018 as a proposed release date. Currently, ≥60 minutes of daily PA are recommended for youth. Thus, the purpose of this study was to investigate the association between reported days of aerobic PA and health-related fitness (HRF). Participants included 4448 students in grades 6-8. Self-reported days of ≥60 min...
The primary purpose of this paper was to provide insight into the effect of different training methods on sprinting time in male youth aged 8-18 years. Specific and nonspecific training methods were identified, the participants of the five teen studies categorized into pre, mid- and postpeak height velocity and effect sizes and percent changes calculated for each training method were appropriat...
OBJECTIVE To identify whether changes in pubertal status and self-efficacy for diabetes management are associated with longitudinal declines in parental responsibility for diabetes, and to determine whether these factors moderate associations between declining parental responsibility and deteriorating adherence across adolescence. METHODS Adolescents (N = 252; 53.6% females) with type 1 diabe...
This study examines the effects of chronic (i.e., repeated and cumulative) mediated exposure to political violence on ideological beliefs regarding political conflict. It centers on these effects on young viewers, from preadolescents to adolescents. Ideological beliefs refers here to support of war, perception of threat to one's nation, and normative beliefs concerning aggression toward the out...
Female rats are less susceptible during puberty to the lethal effects of percutaneous exposure to VX
Nerve agents with low volatility such as VX are primarily absorbed through the skin when released during combat or a terrorist attack. The barrier function of the stratum corneum may be compromised during certain stages of development, allowing VX to more easily penetrate through the skin. However, age-related differences in the lethal potency of VX have yet to be evaluated using the percutaneo...
China promulgated her first food based dietary guidelines (FBDGs) in 1989. It was proposed by the standing board of Chinese Nutrition Society. The guidelines consisted of 8 items, each followed by a paragraph of explanation words. The second FBDGs came out in 1997, was expanded to include 3 parts i.e. guide lines for general population, for 7 particular population groups (infants, toddlers and ...
Mother-daughter relationships are generally characterized by frequent contact and high levels of regard. Yet little is known about what mothers and daughters find enjoyable about their contact. Forty-eight pairs of older mothers (M = 76 years) and their middle-aged daughters (M = 46 years) and 44 pairs of middle-aged mothers (M = 47 years) and their young adult daughters (M = 21 years) (N = 182...
Many theories of early word learning begin with the uncertainty inherent to learning a word from its co-occurrence with a visual scene. However, the relevant visual scene for infant word learning is neither from the adult theorist's view nor the mature partner's view, but is rather from the learner's personal view. Here we show that when 18-month old infants interacted with objects in play with...
What do toddlers learn from everyday picture-book reading interactions? To date, there has been scant research exploring this question. In this study, the authors adapted a standard imitation procedure to examine 18- to 30-month-olds' ability to learn how to reenact a novel action sequence from a picture book. The results provide evidence that toddlers can imitate specific target actions on nov...
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