Expanding the traditional user versus non‐user dichotomy amongst ecstasy users

Differences in the drug use characteristics and psychosocial variables in the use and non‐use of ecstasy within 845 16–25 year‐olds in the UK was examined. Based on levels of ecstasy use and intentions, two groups of non‐users (resistant and vulnerable), three groups of users (light, moderate and heavy) and an ex‐user group were identified. It was found that there is predictive utility in this way of expanding the widely employed ‘user versus non‐user’ dichotomy. Resistant non‐users were more likely to be younger, female, and were characterized by lower levels of use of four other drugs (amphetamine, cannabis, cocaine and LSD). Those ‘at risk’ of using ecstasy reported more frequent use of amphetamine, LSD, and cannabis than resistant non‐users. Heavy user groups reported using amphetamine, cocaine and LSD more frequently than all the other groups. Having ecstasy using friends increased the odds of being an ‘at risk’ non‐user or an ecstasy user. Normative influence also differentiated between the three user groups (light, moderate, and heavy). Beliefs about ecstasy use being immoral, ecstasy offers being difficult to resist, ecstasy use making one feel guilty and ecstasy being readily available differentiated between user and non‐user groups. These factors could usefully inform the content of health education materials designed to change ecstasy use. Copyright © 2003 John Wiley & Sons, Ltd.     

Latent profiles of work motivation in adolescents in relation to work expectations,goal engagement,and changes in work experiences

Motivation plays a key role in successful entry into working life. Based on a cross-sectional and a one-year longitudinal study, we used a person-centered approach to explore work-related motivation (i.e., autonomous goals, positive affect, and occupational self-efficacy) among 577 students in 8th grade (Study 1) and 949 adolescents in vocational training (Study 2). Based on latent profile analysis, in both studies we identified four groups that were characterized by different levels of overall motivation and one group characterized by low positive affect and mean levels in autonomous goals and self-efficacy. Profiles characterized by high levels of motivation showed the highest levels of positive work expectations and goal engagement and the lowest levels of negative work expectations in Study 1 and the highest levels of person-job fit, work engagement, and job satisfaction in Study 2. Moreover, latent difference score analysis showed that motivational profiles predicted changes in person-job fit and work engagement across one year but not in job satisfaction. The results imply that career counselors should be aware of characteristic motivational patterns of clients that may require specific counseling approaches.     

Limits to preference and the sensitivity of choice to rate and amount of food

Studies of choice holding food‐amount ratio constant while varying food‐rate ratio within sessions showed that local changes in preference depend on relative amount of food. The present study investigated whether sensitivity of choice to food‐rate ratio and sensitivity to food‐amount ratio are independent of one another when food‐rate ratios are varied across sessions and food‐amount ratios are varied within sessions. Food deliveries for rats’ presses on the left and right levers were scheduled according to three different food‐rate ratios of 1:1, 9:1, and 1:9; each food‐rate ratio lasted for 106 sessions and was arranged independently of seven food‐amount ratios (7:1, 6:2, 5:3, 4:4, 3:5, 2:6, and 1:7 food pellets) occurring within sessions in random sequence. Each amount ratio lasted for 10 food deliveries and was separated from another by a 60‐s blackout. Sensitivity to rate ratio was high (1.0) across food deliveries. Sensitivity to amount ratio was low when food rates were equal across alternatives, but was high when rate ratio and amount ratio opposed one another. When rate ratio and amount ratio went in the same direction, choice ratio reached an elevenfold limit which reduced sensitivity to approximately zero. We conclude that three factors affect sensitivity to amount: (1) the limit to preference, (2) the equal effect on preference of amounts greater than four pellets, and (3) the absence of differential effects of switches in amount in the equal‐rates (1:1) condition. Taken together, these findings indicate that rate and amount only sometimes combine independently as additive variables to determine preference when amount ratios vary frequently within sessions.     

Profiles of Peritraumatic Emotions

Researchers have identified peritraumatic emotions as important predictors of who will develop posttraumatic stress disorder (PTSD) symptoms. However, such investigations have not examined full profiles of emotions, perhaps because of the typical emphasis on fear or other Criterion A2 emotions. Such an examination could help us identify which peritraumatic emotions are prominent, and how they relate to important posttrauma outcomes. Thus, the aim of this study was to identify distinct profiles of peritraumatic emotions and their correlates using a comprehensive survey of peri- and posttraumatic reactions. We conducted a latent profile analysis of peritraumatic emotions in 398 undergraduate students who reported a DSM–IV A1 trauma and then compared the resulting profiles on trauma type, PTSD, depression, and posttraumatic cognitions. Six distinct profiles emerged: 3 had consistently low, medium, or high levels across the range of emotions, with 3 others primarily characterized by low shame and guilt, high anger and guilt, and low guilt. These profiles significantly differed in terms of trauma type, PTSD, depression, and posttraumatic cognitions. In particular, profiles with high levels of anger, shame, and guilt were consistently related to overall worse functioning. Importantly, fear and associated emotions did not differentiate between profiles. These results have important implications for the phenomenology of posttrauma emotional reactions and strongly suggest that the clinical assessment of traumatic experiences go beyond fear-based conceptualizations.     

Profiles of commitment in standard and fixed-term employment arrangements: Implications for work outcomes

This paper develops and tests a framework for understanding the relative importance and predictive efficacy of commitment to one’s profession, organization, supervisor and job in both standard and fixed-term employment arrangements. Drawing from the commitment and employment arrangement literatures, we test a set of hypotheses identifying distinct patterns of commitments (i.e., commitment profiles) to these four targets that should yield desired work-related outcomes in standard and fixed-term employment arrangements. We test our hypotheses using latent profile analysis on data collected from two Finnish universities (N1 = 235, N2 = 233). A high macro profile, characterized by high commitment to profession, organization and job, and moderate commitment to supervisor, emerged for employees in standard employment relationships, and this profile was associated with significantly higher positive work behaviours and work effort and lower turnover intentions than the other profiles. For employees with fixed-term employment contracts, a high cosmopolitan profile emerged, characterized by high commitment to the profession and job and low commitment to the organization and supervisor. For these employees, this profile was associated with positive work behaviours and work effort comparable to the high macro profile. Implications for theory, research and practice are discussed.     

Clients’ experiences of dynamic interpersonal therapy (DIT): opportunities and challenges for brief,manualised psychodynamic therapy in the NHS

Dynamic interpersonal therapy (DIT) is a brief manualised psychodynamic intervention for depression. This is a first study exploring clients’ experiences of DIT specifically and brief, manualised psychodynamic psychotherapy (PP) in general. Interpretative phenomenological analysis was the methodology employed. Five participants completed a semi-structured interview, three weeks to ten months after completing DIT. The scores of pre- and post-therapy outcome measures of depression and anxiety were also available. Two emerging superordinate themes are presented here: (1) ‘The Distinct Features of DIT’, referring to how its therapeutic style and time limitations were experienced and (2) the ‘Impact of Therapy’, referring to perceived outcomes. While previous findings showed that therapist’s perceived limited activity in long-term PP was experienced as hindering/unhelpful, the perceived sense of direction in DIT appeared adequate to most participants. Secondly, the time limitations provoked complex responses. Reactions to the distinct elements of DIT are to be treated both as therapeutic opportunities and as challenges. Further, in line with psychoanalytic theory, most participants described relational changes that went beyond symptom relief and remained in progress after therapy ended. Intriguingly, there was no consistency between participants’ qualitative accounts of change and the scores of the outcome measures.     

Dynamic interpersonal therapy in an NHS tertiary level specialist psychotherapy service

We describe the introduction of dynamic interpersonal psychotherapy (DIT) into an National Health Service (NHS) tertiary psychoanalytic specialist psychotherapy service. Training in DIT began as our contribution to Improving Access to Psychological Therapies and primary care services, supporting the training and supervision of their DIT practitioners. We then discovered DIT could be a valuable treatment within our own tertiary NHS service for patients with complex presentations. Currently fighting for survival, like many NHS psychoanalytic psychotherapy services nationally, we have adopted a manual-guided, psychoanalytically based therapy to broaden our tertiary clinical psychoanalytic service and accommodate trends in mental health service provision, whilst protecting the quality and integrity of our psychotherapy. DIT helped us continue providing relevant and beneficial psychoanalytic and psychodynamic services to individual patients despite limitations of the financially challenged NHS, NICE guidelines and Payment by Results. We outline the progress and outcomes for patients with complex mental health presentations, include individual case discussion and our experience of using the DIT approach within a traditionally longer term psychoanalytic psychotherapy service.     

用户换位型思维的形成及对机会信念绩效的影响

用户换位型思维是创业者进行机会识别并应对市场竞争的重要因素,但已有研究忽视了其模式、形成机理及对机会信念绩效的影响。针对此问题,基于结构映射理论与注意力参与模型解构用户换位型思维模式,包括吸收式、归纳式、启发式和分析式;然后,从“个体-用户”双元视角探讨与用户有关的先验知识、灵活的角色导向、认知复杂性以及用户需求不确定性和碎片化等因素对用户换位型思维形成的正向影响;最后,以机会信念形成速度和创新性为绩效指标,阐释用户换位型思维模式对机会信念形成绩效的影响,并考察适应新的信息环境和调用自身知识结构的认知管理策略对用户换位型思维模式与机会信念形成绩效的调节作用。研究结论将丰富用户换位型思维的内涵,拓展结构映射理论与注意力参与模型的解释范围,也为指导创业者运用用户换位型思维去识别机会提供参考,对创业者思考与理解用户有重要意义。