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  • 1
    ISSN: 1432-2072
    Schlagwort(e): Self-Infusion ; Primates ; Secobarbital ; Chlordiazepoxide ; Choice Procedure ; Preference ; Multiple Addiction
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Monkeys were exposed to a 24 h continuous experimental procedure which provided a periodic forced choice between the self-infusion of secobarbital versus saline. Preference for secobarbital over saline was readily obtained using choice trials programmed approximately every 2 h at a dose of 9 mg/kg of secobarbital per infusion. Preference for self-infusion of chlordiazepoxide over saline was obtained using choice trials every 3 h, and a dose on the order of 1 mg/kg per infusion. In a subsequent experiment, two of the animals addicted to chlordiazepoxide were given a choice every 3 h between an infusion of chlordiazepoxide or secobarbital. Following a period of intake of both drugs, a gradual shift in preference from chlordiazepoxide to secobarbital was observed over a period of some 60 days. In general, this preference procedure provides a flexible technique with several dependent measures for single or multiple drug addiction studies.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    American journal of community psychology 27 (1999), S. 383-404 
    ISSN: 1573-2770
    Schlagwort(e): gang membership ; risk behaviors ; African American ; adolescent females
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Psychologie
    Notizen: Abstract Differential rates of participation in three categories of risk behaviors (i.e., sexual activity, substance use, violence) were explored, comparing gang members to nonmembers, within a sample of 1,143 inner-city African American adolescent females. The relationship between gang membership and risk behavior also was examined, by exploring the association between a variety of microsystemic influences (e.g., gang, family, school) and participation in risk behaviors. MANOVA analyses indicated that gang members, relative to nonmembers, reported higher rates of participation in each of the three categories of risk behaviors. Stepwise linear regression analyses indicated that gang membership was the variable with the most consistent predictive ability, across all categories of risk, as it entered early in all equations and remained in all three final models after controlling for other statistically significant contextual variables. Findings suggest that intervention efforts aimed at reducing adolescent females' participation in sexual activity, substance use, and violence should consider the influence of gang membership on the participation in these behaviors.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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