Longitudinal twin study of early reading development in three countries: Preliminary resultsTeachingLearningand TestingWe have initiated parallel longitudinal studies in Australia (Byrne, PI), the United States (Olson, PI), and Norway (Samuelsson, PI) of identical and fraternal twins who are being ...
To assess the prospective associations of physical activity behaviors and screen time with early sexual intercourse initiation (i.e., before 15 years) in a large sample of adolescents. We used two waves of data from the Rotterdam Youth Monitor, a longitudinal study conducted in the Netherlands. ...
Continuity of aggression from childhood to early adulthood as a predictor of life outcomes: implications for the adolescent-limited and life-course-persist... Using data from the Columbia County Longitudinal Study, a 40-year longitudinal study following an entire county's population of third-grade ...
Forecasting transitions between tidal ecosystem states, such as between bare tidal flats and vegetated marshes, is crucial because it may imply the irreversible loss of valuable ecosystem services. In this study, we combine geospatial analyses of three European estuaries with a simple numerical model ...
Moreover, a recent analysis of a massive longitudinal dataset of audio and video recordings of one child for 3 years after birth found that the distinctiveness of the visual contexts of a word’s usage is more predictive of its early production than its frequency in caregiver’s speech (...
The objective of this study was to find out whether moderate doses of growth hormone (GH) in combination with oxandrolone (Ox) and late initiation of puber... N Stahnke,E Keller,H Landy,... - 《J Pediatr Endocrinol Metab》 被引量: 91发表: 2002年 Growth hormone-deficiency in the adult...
A path model of genetic and shared family environmental transmission was fitted to general cognitive ability data from 1-, 2-, 3-, and 4-year-old adopted and nonadopted children and their parents in order to assess the etiology of longitudinal stability from infancy to early childhood. Stabilit...
In addition, this study suggests that being supervised by female advisors may amplify gender disparities in the interdisciplinarity level of their students’ doctoral theses. The findings indicate the potential underrepresentation of female scientists in pursuing interdisciplinary research at the early stages...
The objective of the present study is to investigate the impact of Sex Chromosome Trisomy (SCT; XXX, XXY, XYY) on the early appearance of Autism Spectrum D
PurposeTo determine whether higher self-esteem and higher academic performance among youth reduce the likelihood of early sexual intercourse and illegal substance use.MethodsUsing data from waves I–III of the National Longitudinal Study of Adolescent Health, this study used multivariate logistic regression...