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Leopold, Daniel R.; Christopher, Micaela E.; Burns, G. Leonard; Becker, Stephen P.; Olson, Richard K.; Willcutt, Erik G. – Journal of Child Psychology and Psychiatry, 2016
Background: Although multiple cross-sectional studies have shown symptoms of sluggish cognitive tempo (SCT) and attention-deficit/hyperactivity disorder (ADHD) to be statistically distinct, studies have yet to examine the temporal stability and measurement invariance of SCT in a longitudinal sample. To date, only six studies have assessed SCT…
Descriptors: Attention Deficit Hyperactivity Disorder, Longitudinal Studies, Cognitive Processes, Children
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Van Ryzin, Mark J.; Dishion, Thomas J. – Journal of Child Psychology and Psychiatry, 2014
Background: Early substance use co-occurs with youths' self-organization into deviant peer groups in which substance use is central to social interaction. We hypothesized that the social dynamics of deviant peer groups amplify the risk of progressing from early use to later dependence, and that this influence occurs over and above escalations…
Descriptors: Substance Abuse, Smoking, Drinking, Marijuana
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Ranta, Klaus; Junttila, Niina; Laakkonen, Eero; Uhmavaara, Anni; La Greca, Annette M.; Niemi, Paivi M. – Child Psychiatry and Human Development, 2012
The aim of this study was to investigate symptoms of social anxiety and the psychometric properties of the "Social Anxiety Scale for Adolescents" (SAS-A) among Finnish adolescents, 13-16 years of age. Study 1 (n = 867) examined the distribution of SAS-A scores according to gender and age, and the internal consistency and factor structure…
Descriptors: Evidence, Anxiety Disorders, Test Validity, Factor Structure
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Gracious, Barbara L.; Findling, Robert L.; Seman, Christopher; Youngstrom, Eric A.; Demeter, Christine A.; Calabrese, Joseph R. – Journal of the American Academy of Child and Adolescent Psychiatry, 2004
Objective: To examine the effect of combined lithium and divalproex sodium on thyroid-stimulating hormone (TSH) levels in children and adolescents with bipolar disorders and to identify risk factors for lithium-induced hypothyroidism. Method: Bipolar youths aged 5 to 17 years participating in an open-label clinical trial received treatment with…
Descriptors: Psychiatry, Adolescents, Risk, Depression (Psychology)