美沙酮维持治疗者社会网络的现状分析及对策——基于无锡市吸毒者的医学社会学研究

通过社会流行病学调查,对受艾滋病和社会歧视双重威胁的关沙酮维持治疗者的社会交往和社会支持网络的构成、特征进行分析;表明该群体的社会交往网络局限于非正式群体;而社会支持网中的正式群体对其回归社会起关键作用;因而完善其家庭和社会功能恢复的途径,对我国禁毒工作和遏制艾滋病传播尤为重要。     

Acquisition and maintenance of trusting behavior

This study determined whether a two-person exchange situation contained natural contingencies for trusting behavior or whether external contingencies were necessary. Pairs of college students worked matching-to-sample problems for money. On each trial there was one problem and the subjects determined which of them would solve it. Trusting behavior was defined as an increase in the number of consecutive problems each subject allowed his partner to work during sessions that also ended with an equitable distribution. Simply, trust was a temporary deviation from equity. A subject could give the problem to the other person (cooperate), or not respond and let the other person take the problem (share). Other possibilities were for both subjects to try to take the problem (complete), or for neither subject to respond and thereby let the person who worked the last problem also work the next one (passive trust). When only four lever pulls were required to distribute a problem (no external contingencies to reach either equity or trust) subjects reached equity, but only minimal trust (strict alternation of single problems) developed in 18 sessions. When 30 or 60 lever pulls were required to distribute a problem (smaller response requirement for passive trust and therefore a contingency for trust), trusting behavior developed after a few sessions (fixed ratio 30) or after several trials of the first session (fixed ratio 60) and it ordinarily expanded gradually to 10 to 15 consecutive problems through passive trust. The aversiveness of the inequity involved in trusting appears to necessitate a contingency for acquisition. Once trust develops, however, this aversiveness is reduced as subjects learn the inequity is only temporary (e.g., once trust was acquired at fixed ratio 60 it was maintained at fixed ratio 4, which would not initially produce it), and the direction of the inequity appears to become of questionable importance (e.g., being behind was alternated over rather than within sessions and usually not in a systematic manner).     

胖负面身体自我女大学生对胖信息的注意偏好:注意警觉还是注意维持

本研究对已有负面身体自我个体注意偏好研究采用的实验范式的问题进行了分析,提出胖负面身体自我个体对胖相关信息的注意偏向存在的另一种可能,即胖负面身体自我个体对胖相关信息可能存在注意维持时间更长的假设。共设计了3个实验对假设进行验证。实验1a采用线索范式研究高胖负面身体自我个体对胖相关词语的注意警觉和注意维持,线索目标SOA为300ms,实验1b采用同样的实验范式,只是将实验材料变为更具直接意义的身体轮廓图。两个实验的结果均支持实验假设,但是未能排除反应准备和线索对目标产生掩蔽等因素的影响。因此,实验2在身体和花瓶轮廓图周围呈现字母,要求被试对字母进行辨认,对被试的注意维持成分进行直接的测量。结果验证了高胖负面身体自我女大学生对胖身体轮廓图注意维持时间更长。综合几个实验的结果,得到以下结论:在本实验条件下,胖负面身体自我女大学生对胖身体信息的注意偏差成分是注意维持时间更长。     

Core self-evaluation moderates distinctive similarity preference in ideal partner’s personality

This research investigated the moderation effects of core self-evaluation (CSE) on singles’ ideal partner preference, concerning distinctive similarity in personality. The data were collected from singles from three countries (i.e., China, Denmark, and US), and modelled in a multilevel profile analysis. The results show that CSE moderated distinctive profile similarity preference in that people high in CSE preferred higher distinctive profile similarity with their ideal partner. In addition, CSE moderated distinctive trait similarity preference in Emotionality, Extraversion, Agreeableness, and Conscientiousness in that people high in CSE preferred their ideal partner to share higher distinctive similarity on these four traits. Implications and limitations of the research and findings are also discussed.     

Retention of Quiet Eye in Older Skilled Basketball Players

There is mounting research to suggest that cognitive and motor expertise is more resistant to age-related decline than more general capacities. The authors investigated the retention of skills in medium-aged skilled (n = 14) and older-aged skilled (n = 7) athletes by comparing them with medium-aged less skilled (n = 15) and older-aged less skilled (n = 15) participants. Participants performed basketball free throws and dart throws as a transfer task under standardized conditions. Motor performance (accuracy) and perceptual performance (quiet eye) were examined across the four groups. There were significant differences between skill groups and age groups in throwing accuracy on both throwing tasks. Skilled players outperformed less skilled and medium-aged players outperformed older-aged players in basketball and dart throws. There were no significant differences in quiet eye duration across the skill or age groups in either task. These results indicate expertise in a perceptual motor task such as the basketball free throw can be retained in older athletes and that present models of skill maintenance should be re-evaluated to consider the issue of transfer.     

Perceived Work Competency and Sex Role Conflict: An Empirical Study

The present study examined sex role conflict, perceived work competency, and motivational needs among a broad sample of 298 working women and men (135 men, 163 women) at different hierarchical levels to see what possible gender differences existed in relationships among the variables. Correlation analysis and analysis of variance indicated that the female subjects had significantly higher levels of sex role conflict than the men, but a similar sense of work competency. Sex role conflict and perceived work competency were found to be negatively linked for the women but not for the men. Significant relationships were found between certain motivational needs and both sex role conflict and sense of work competency.     

Cognitive Factors in the Maintenance of PTSD

Abstract

Cognitive behavioural therapies have the strongest empirical support as the treatments of choice for Post-traumatic Stress Disorder (PTSD). Despite the relative efficacy of these treatments compared to other psychological treatments, and no treatment, a large proportion of PTSD patients retain their diagnosis after treatment. In this article, a review of cognitive factors that are suggested to be responsible for the maintenance of PTSD in unimproved patients is presented. Among these factors are: anger and rage, guilt and shame, attentional bias and memory bias, negative attributional style, low self-efficacy, cognitive avoidance, dysfunctional schemas, catastrophic interpretations of intrusive recollections and pathological trauma memory structures. In the discussion section, suggestions about how therapy programmes might be modified in order to maximize cognitive change are provided.     

Risks and realities: dyadic interaction between 6-month-old infants and their mothers in opioid maintenance treatment

A number of studies point to methadone exposure in utero as a possible risk factor in the developing mother–infant relationship in the first year of life. This study is part of a larger, national follow-up of 38 infants prenatally exposed to methadone or buprenorphine and 36 comparison, low-risk infants. The aim of the present paper is to assess the quality of mother–infant relationship when the infants are 6 months old. Videotaped mother–infant interactions were rated in a global scale (NICHD). Maternal and infant contributions collapsed into the variables “infant style” and “maternal style” showed that the only factor making significant contribution to the outcome measure “dyadic mutuality” was maternal style. The importance of group membership (exposed versus non-exposed), was reduced when controlling for maternal drug use prior to opioid maintenance treatment (OMT), maternal depression and parenting stress as well as infants’ developmental status and sensory-integrative functions. This suggests that prediction of dyadic mutuality should be based on individual characteristics rather than group characteristics. These results support previous research findings that methadone and buprenorphine use per se does not have direct influence on the quality of early mother–infant relationship, but tailored follow-up procedures targeting drug-free pregnancies and parenting support are beneficial for women in OMT and their children.