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Developmental origins of chronic physical aggression: an international perspective on using singletons, twins and epigenetics
(SAGE, 2015-09-08)
This chapter takes an international and historical perspective to discuss the present state of knowledge on the developmental origins of physical aggression and its implications for the prevention of chronic physical ...
Early nonparental care and social behavior in elementary school : support for a social group adaptation hypothesis
(Wiley, 2015-08-06)
We examined the contribution of non-parental child care services received during the preschool years (i.e. between 5 months and 5 years) to the development of social behavior between kindergarten and the end of elementary ...
Intrinsic motivation and achievement in mathematics in elementary school : a longitudinal investigation of their association
Motivation and mathematical achievement
(Wiley, 2015-11)
This study examined the associations between intrinsic motivation and achievement in mathematics in a sample of 1,478 Canadian school‐age children followed from Grades 1 to 4 (ages 7–10). Children self‐reported their ...
Short-term heart rate variability in a population-based sample of 10-year-old children
(Springer Verlag, 2015)
Heart rate variability (HRV) is a non-invasive quantitative marker of cardiac autonomic function derived from continuous electrocardiogram (ECG) recordings. Normative HRV values and development factors have not been ...
Trajectories of gambling problems from mid-adolescence to age 30 in a general population cohort
(American Psychological Association, 2015-12)
Studies of gambling starting before adulthood in the general population are either cross-sectional, based on the stability of these behaviors between 2 time points, or cover a short developmental period. The present study ...
Variety of gambling activities from adolescence to age 30 and association with gambling problems: a 15‐year longitudinal study of a general population sample
Variety of gambling activities
(Wiley, 2015-12)
Participants
A mixed‐gender general population cohort assessed at ages 15 (n = 1882), 22 (n = 1785) and 30 (n = 1358).
Measurements
Adolescent and adult versions of the South Oaks Gambling Screen (SOGS).
Findings
Group‐based ...