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An emerging population-based paradigm is now being used to guide the design of preventive trials used to test developmental models. We discuss elements of the designs of several ongoing randomized preventive trials involving reduction of risk for children of divorce, for children who exhibit behavioral or learning problems, and for children whose parents are being treated for depression. To test developmental models using this paradigm, we introduce three classes of design issues: design for prerandomization, design for intervention, and design for postintervention. For each of these areas, we present quantitative results from power calculations. Both scientific and cost implications of these power calculations are discussed in terms of variation among subjects on preintervention measures, unit of intervention, assignment, balancing, number of pretest and posttest measures, and the examination of moderation effects. 相似文献
204.
A developmental framework emphasizing the combined impact of correlated constraints within and without the individual was applied to a prospective longitudinal study of early parenthood. The purpose was to use a person-approach to the analysis of longitudinal data to clarify risk for early parenthood and to generate hypotheses about potentially useful intervention strategies. Respondents were 475 youth who were assessed annually from seventh grade through the end of high school and, again, at ages 20 and 24. The risk patterns associated with parenthood were the same for both sexes. Individuals with a middle-school configuration of low socioeconomic status, high aggression, low academic skills, low popularity, and prior grade failure were most likely to become parents by early adulthood. Risk for early parenthood increased substantially for respondents who dropped out of school early, regardless of their initial risk status. 相似文献
205.
Raymond G. Miltenberger Jennifer A. Roberts Sherry Ellingson Tami Galensky John T. Rapp Ethan S. Long Vicki A. Lumley 《Journal of applied behavior analysis》1999,32(3):385-388
Previous research has shown that behavioral skills training to teach sexual abuse prevention skills to women with mental retardation results in skill acquisition but poor generalization. In this investigation we evaluated procedures for enhancing generalization following training. Five women with mental retardation received 10 behavioral skills training sessions followed by in situ training when the skills did not fully generalize. Behavioral skills training resulted in skill acquisition and in situ training produced generalized responding during naturalistic assessments. 相似文献
206.
V A Lumley R G Miltenberger E S Long J T Rapp J A Roberts 《Journal of applied behavior analysis》1998,31(1):91-101
Programs to teach sexual abuse prevention skills to persons with mental retardation have rarely been evaluated empirically, and typical evaluations are limited to assessment of the participants' knowledge rather than their performance of specific skills. In the present study, 6 adult women with mental retardation were trained in sexual abuse prevention, and performance was assessed using four separate measures: pretests and posttests of knowledge, verbal report, role play, and naturalistic probes. All women learned the skills but failed to exhibit them to criterion during the probes. We discuss the implications for further training and assessment of sexual abuse prevention skills. 相似文献
207.
Mary Jane Rotheram-Borus Marya Gwadz M. Isa Fernandez Shobha Srinivasan 《American journal of community psychology》1998,26(1):73-96
Examined the effectiveness of an HIV intervention program among 151 adolescents ages 13 to 24 years who were randomly assigned to (a) seven sessions of 1.5 hr each (10.5 hr); (b) three sessions of 3.5 hr each (10.5 hr); or (c) a no-intervention condition. Using cognitive-behavioral intervention strategies, social skills and HIV-related beliefs, perceptions, and norms were targeted in both the three- and seven-session, small-group intervention conditions. Regression analysis indicated that over 3 months, the number of unprotected risk acts and the number of sexual partners were lower in the seven-session condition compared to the other conditions. Factors mediating risk acts changed in a complex manner: For example, perceived vulnerability increased for those with initially lower vulnerability scores among youths in the seven-session condition compared to others. Self-approval of condom use was also higher for those with initially low scores in the seven-session compared to the three-session condition. Self-efficacy for risk avoidance and condom use was significantly higher in the three-session condition for those with initially low scores compared to other groups. On the role-play measure, those with higher baseline scores in the low-pressure situation improved significantly only in the three-session intervention; in the high-pressure situation, the participants reported significantly higher scores in the seven-session intervention, and those with higher scores improved the most. Results suggest the importance of multisession HIV intervention programs to be delivered with fidelity in community settings. 相似文献
208.
Martie P. Thompson Nadine J. Kaslow Ann Webb Price Kimberly Williams J. B. Kingree 《Journal of abnormal child psychology》1998,26(5):357-366
This study examined the psychological consequences and secondary stressors associated with death of a parent. The sample (N = 116) consisted of 26 youths who had lost a parent to homicide, 45 youths who had lost a parent to natural death, and 45 nonbereaved youths. Youngsters completed face-to-face interviews, while their guardians completed measures assessing the children's functioning. Results based on both child and guardian reports indicated that parental death was associated with an increase in secondary stressors, regardless of the mode of death. Findings based on guardian reports also revealed that parental death was related to increased internalizing distress, and that parental death due to homicide was related to increased externalizing distress. Furthermore, secondary stressors mediated the parental death–child distress relation such that parental death led to an increase in stressors, which in turn led to increased child distress. Implications for secondary and tertiary preventive interventions are discussed. 相似文献
209.
The present report accomplishes three goals. First, to provide an empirical rationale for placing parental monitoring of children's adaptations as a key construct in development and prevention research. Second, to stimulate more research on parental monitoring and provide an integrative framework for various research traditions as well as developmental periods of interest. Third, to discuss current methodological issues that are developmentally and culturally sensitive and based on sound measurement. Possible intervention and prevention strategies that specifically target parental monitoring are discussed. 相似文献
210.
Self-protective behaviors were taught to three preschool children in order to prevent the opportunity for abduction. An analogue measure of self-protection was developed in which confederate adults approached and verbally attempted to lure each child from the setting, before, during, and after training. A multiple baseline design across subjects was used. During baseline, all the children displayed susceptibility to the lures. Training procedures included modeling, behavior rehearsal, and social reinforcement. Within 1 week after training began, all children displayed appropriate responses to all of the lures both in the training setting and in the community. 相似文献