青少年吸毒行为预防干预研究述评及展望

青少年吸毒问题已令人触目惊心,应引起研究者高度的关注。该文对国外18岁以下青少年吸毒预防干预的方法、模式和影响干预效果有效性的重要要素进行了述评,介绍了一些国外著名的青少年吸毒预防干预方案,在此基础上结合当前最新的研究进展对该领域未来的发展方向和趋势进行了展望。     

When should clinicians switch treatments? An application of signal detection theory to two treatments for women with alcohol use disorders

Statistical application of signal detection theory has been used to study the clinical utility of early treatment response in a range of treatments and psychiatric disorders. The current study sought to examine the predictive value of weekly within-treatment drinking using receiver operator curves (ROCs) and zero-inflated Poisson (ZIP) regression in 102 women with alcohol use disorders (AUDs) randomized to either alcohol behavioral individual treatment (ABIT; n = 52) or alcohol behavioral couples treatment (ABCT; n = 50). ROC analyses indicated that failure to achieve or sustain abstinence by the end-of-treatment and one-year follow-up was predicted with reasonable accuracy by week 4 percent days abstinent (PDA) in ABIT. ZIP models yielded similar results with evidence for within-treatment PDA with week 6 PDA predicting both the abstinence as well as percent days drinking at the end-of-treatment and one-year follow-up. Within-treatment PDA was a significantly better predictor of outcomes for ABIT than ABCT, despite a better overall treatment response for ABCT. Implications for stepped care models of alcohol treatment are discussed and recommendations for future research made. When Should Clinicians Switch Treatments: An Application of Signal Detection Theory to Two Treatments for Women with Alcohol Use Disorders.     

Do PTSD symptoms and course predict continued substance use for homeless individuals in contingency management for cocaine dependence?

Homeless individuals (n = 187) entering contingency management (CM) for cocaine dependence were assessed for PTSD diagnosis, and a subset of 102 participants reporting traumatic exposure also periodically completed a self-report measure of PTSD symptoms. Patients with PTSD in full remission at 6 months (end of active treatment) and 12 months (end of aftercare) used substances much less frequently during aftercare than those with no PTSD diagnosis. Those whose PTSD diagnosis improved to full remission status during active treatment, and remained in full remission at 12 months, also had superior substance use outcomes. Severity of PTSD symptoms at 6 months, but not baseline or 2 months, was associated with substance use across treatment phases. Substance use during aftercare, however, was better predicted by changes in PTSD symptom severity. Patients whose PTSD symptoms improved more during active treatment fared better during aftercare than those with less improvement. Findings suggest homeless individuals with comorbid PTSD entering CM for cocaine dependence are not necessarily at increased risk for substance use compared to those without the comorbidity. However, course of PTSD does predict substance use, with the potential for CM to be unusually effective for those who respond with substantial, lasting improvements in PTSD.     

Infant's perception of goal-directed actions performed by a mechanical device

The present work investigated whether by the end of the first year, infants interpret actions performed by a mechanical device as goal-directed and why they would do so. Using a modified version of the Woodward (1998) habituation paradigm, 9- and 12-month-old infants were tested in a condition in which they saw a mechanical claw performing an action (Study 1). When infants viewed the claw grasping and transporting objects to the back of a stage, 12-month-old but not 9-month-old infants interpreted the action as goal-directed. In Study 2, 9-month-olds received prior to habituation an information phase showing infants how a human held and operated the claw. This enrichment of infants’ knowledge enabled 9-month-old infants to interpret the action display as goal-directed. The role of the developing means-end understanding and tool-use for infants’ interpretation of actions performed by a mechanical device is discussed.     

Married Women’s Situational Use of Last Names: An Empirical Study

Situational last name use was examined in a sample of 600 married women who responded to a mail survey. The sample was selected from the faculty and staff of a state university in the Midwest with over-sampling of women whose last name differed from their husband’s last name. Overall, 12% of married women reported situational last name use. Women from all last name choices (e.g., changed to husband’s, kept birth surname) reported situational surname use, but the most common occurrence of this practice was among hyphenators. Situational users were most likely to use their husband’s last name in family situations and their birth surname in professional situations. Factors that increase situational last name use included full-time employment, higher levels of educational attainment, and an older age at marriage. Situational last name use by married women can be seen as a manifestation of ambiguity over identity with family and non-family roles.     

压力性生活事件与青少年自尊：被动性社交网站使用和人生意义感的中介作用

采用青少年生活事件量表、被动性社交网站使用量表、生命意义感量表以及自尊量表对605名青少年施测,旨在探讨压力性生活事件对自尊的效应以及被动性社交网站使用和人生意义感的中介作用。结果发现：被动性社交网站使用和拥有人生意义感在压力性生活事件与自尊之间起中介作用,压力性生活事件分别通过被动性社交网站使用、拥有人生意义感的中介作用和被动性社交网站使用与拥有人生意义感的序列中介作用对自尊产生效应。     

Disinhibitory trait profile and its relation to Cluster B personality disorder features and substance use problems

Certain personality and motivational traits may present vulnerability towards disinhibitory psychopathology (e.g. antisocial personality disorder, substance abuse). Cluster analysis was used to separately group 306 women and 274 men on impulsivity, Constraint, Negative Emotionality, behavioural activation system (BAS), and behavioural inhibition system (BIS) scores. As expected, a ‘disinhibited’ group with low Constraint, high impulsivity, weak BIS, and strong BAS emerged that showed elevated drug use problems, and histrionic and antisocial personality disorder features across gender. A ‘high affectivity’ group with high Negative Emotionality and strong BIS also showed elevated drug use problems and personality disorder features. Results suggested that two different trait profiles are associated with disinhibitory psychopathology and both may present vulnerability toward the development of such disorders. Copyright © 2006 John Wiley & Sons, Ltd.     

Cognitive Social Maturity, Life Change Events, and Health Risk Behaviors among Adolescents: Development of a Structural Equation Model

Purpose: To examine the roles of cognitive social maturity and life change events in a structural equation model (SEM) to explain adolescents' use of marijuana, tobacco, and alcohol. Methods: Data were derived from 1322 9th and 10th graders in a HIV prevention study. Students completed a survey of their cognitive social maturity, recent life events and substance use habits. A model from a study on the metabolic control of adolescents with diabetes was modified to apply to health risk behaviors. Results: A SEM was tested and fit the data well. Lower cognitive social maturity and greater life change events significantly predicted health risk behaviors. Life events partially mediated the relationship between cognitive social maturity and health risk behaviors. Conclusions: Adolescents' social thought processes are related to their recent life events, which in turn are related to their substance use behaviors. Suggestions are made for interventions to improve adolescents' cognitive social maturity.