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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 ...
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 ...