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This longitudinal study examined familial and child predictors of academic achievement and behavioral adjustment. Participants included 115 children with ADHD and 59 normative comparisons. Data analyses spanned three assessment waves from elementary- through secondary-school grades. We evaluated the degree to which child and familial factors present during(More)
The purposes of this study were to examine the prevalence of gambling among youth, compare rates of gambling between 1992 and 1995, and determine what levels of gambling frequency may be considered common and uncommon. The two samples included 122,700 Minnesota public school students in the 6th, 9th, and 12th grades in 1992; and 75,900 9th and 12th grade(More)
The responses of Tettigonia cantans to species-specific song and substrate conducted vibration have been tested under three experimental regimes. When directional cues are adequate the sound source can be located by audition alone; where such cues fail to provide sufficient information then vibration signals become of value. In two-choice experiments(More)
A vulnerability model of adolescent substance abuse treatment outcome provided the basis for selection of demographic, individual, interpersonal, and treatment factors to predict the follow-up use of alcohol and marijuana in a sample of adolescents (N = 225) with psychoactive substance use disorders. Pretreatment levels of sibling substance use and(More)
A structural equation model incorporating substance abuse problem severity, psychosocial risk and protection, and treatment variables examined adolescent drug abuse treatment outcome pathways across 6- and 12-month follow-up points. Findings on resiliency factors and an empirical method adapted from previous research were used to select and assign 10(More)
The primary aims of the present study were to assess ADHD history as a risk factor for earlier initiation and current use of licit and illicit substances among a sample of drug using adults. It was hypothesized that ADHD history would accelerate the Gateway Theory of drug use. Participants included 941 drug-using African American and Caucasian individuals(More)
The development and initial psychometric properties of a new parent questionnaire for assessing adolescent drug abuse are described. The Personal Experience Inventory-Parent Version (PEI-PV) is intended to provide a standardized parent report as a companion measure to the adolescent self-report instrument, the Personal Experience Inventory. The PEI-PV(More)
This article provides an overview of drug and alcohol use and risk factors among American adolescents. Current trends indicate that tobacco, alcohol, and marijuana are the most frequently used substances among this age group. Further, the greatest risk factors for using these substances are being male, being White, being an older adolescent, engaging in(More)
The authors examined gender differences in rates of comorbid psychiatric disorders among adolescents with I or more psychoactive substance use disorders. Baseline diagnostic data were obtained from 135 adolescents, ages 12 to 19, and their parents-guardians, who participated in a study to develop and efficacy test Integrated Family and Cognitive-Behavioral(More)
Motivational theorists in psychology have moved away from individual-based approaches to socio-cognitive and socio-ecological models to explain student engagement and motivation for learning. Such approaches consider, for example, the influence of family and neighborhood environments as important constructs in youth behavior. In this study, links between(More)