初中生积极适应的发展轨迹:基于潜变量增长模型的分析

采用问卷法对290名初中生在初中三年间积极适应的发展状况进行四次追踪测试,利用潜变量增长模型检验个体积极适应的变化趋势,同时考察了随时间稳定变量(学校转换)和随时间变化变量(压力知觉)对积极适应的影响。结果发现:1、从初一到初三,个体积极适应的自我肯定和行事效率维度呈曲线上升趋势,且上升速度逐年下降;亲社会倾向呈线性上升趋势;积极应对呈线性下降趋势;2、学校转变对初中生积极适应发展的影响较小;3、压力知觉可显著抑制当时初中生的积极适应。     

Perceived discrimination, social connectedness, and other predictors of adjustment difficulties among Turkish international students

This study examined the role of perceived discrimination, social connectedness, age, gender, years of study in the US, English language competency, and social contact patterns on adjustment difficulties among a sample of 229 Turkish international students studying in the United States. Findings indicated that students who reported higher levels of social connectedness, lower levels of perceived discrimination, more years of study in the US, and higher levels of English language competency reported lower levels of adjustment difficulties. Other results showed that (lack of) social connectedness and perceived discrimination were predictors of adjustment difficulties. In addition, results indicated that students who socialized with individuals from the US had lower levels of adjustment difficulties than did those who socialized with coculture members. Implications are discussed and suggestions for interventions are provided.     

Why are conservatives happier than liberals? Comparing different explanations based on system justification,multiple group membership,and positive adjustment

This study examined the relation between conservatism and life satisfaction. Analyses based on data from a representative German survey (ALLBUS 2010) revealed a positive relation between conservatism and self‐reported life satisfaction, thus supporting prior claims of this link. Different accounts have been proposed for this relationship, suggesting system justification, positive adjustment, or multiple group membership as potential mediators. Going beyond prior research, this study allowed for a comparison between these different mechanisms. Analyses revealed that system justification and one of the three examined constructs related to positive adjustment (i.e., religiosity) were significant mediators of the positive relationship between political conservatism and life satisfaction. Comparable results were obtained after controlling for a number of sociodemographic variables. The present findings indicate (i) that conservatives report to be more satisfied with their lives than liberals and (ii) that this difference is in part due to conservatives' system justification and religiosity.     

Transforming Social Regularities in a Multicomponent Community‐Based Intervention: A Case Study of Professionals’ Adaptability to Better Support Parents to Meet Their Children's Needs

This paper presents an in‐depth case study of the dynamic processes of mutual adjustment that occurred between two professional teams participating in a multicomponent community‐based intervention (CBI). Drawing on the concept of social regularities, we focus on patterns of social interaction within and across the two microsystems involved in delivering the intervention. Two research strategies, narrative analysis and structural network analysis, were used to reveal the social regularities linking the two microsystems. Results document strategies and actions undertaken by the professionals responsible for the intervention to modify intersetting social regularities to deal with a problem situation that arose during the course of one intervention cycle. The results illustrate how key social regularities were modified in order to resolve the problem situation and allow the intervention to continue to function smoothly. We propose that these changes represent a transition to a new state of the ecological intervention system. This transformation appeared to be the result of certain key intervening mechanisms: changing key role relationships, boundary spanning, and synergy. The transformation also appeared to be linked to positive setting‐level and individual‐level outcomes: confidence of key team members, joint planning, decision‐making and intervention activities, and the achievement of desired intervention objectives.     

Task-related and person-related variables influence the effect of low back pain on anticipatory postural adjustments

BackgroundPeople with low back pain exhibit altered postural coordination that has been suggested as a target for treatment, but heterogeneous presentation has rendered it difficult to identify appropriate candidates and protocols for such treatments. This study evaluated the associations of task-related and person-related factors with the effect of low back pain on anticipatory postural adjustments.MethodsThirteen subjects with and 13 without low back pain performed seated, rapid arm flexion in self-initiated and cued conditions. Mixed-model ANOVA were used to evaluate group and condition effects on APA onset latencies of trunk muscles, arm-raise velocity, and pre-movement cortical potentials. These measures were evaluated for correlation with pain ratings, Fear Avoidance Beliefs Questionnaire scores, and Modified Oswestry Questionnaire scores.FindingsDelayed postural adjustments of subjects with low back pain were greater in the cued condition than in the self-initiated condition. The group with low back pain exhibited larger-amplitude cortical potentials than the group without pain, but also significantly slower arm-raise velocities. With arm-raise velocity as a covariate, the effect of low back pain remained significant for the latencies of postural adjustments but not for cortical potentials. Latencies of the postural adjustments significantly correlated with Oswestry and Fear Avoidance Beliefs scores.InterpretationDelayed postural adjustments with low back pain appear to be influenced by cueing of movement, pain-related disability and fear of activity. These results highlight the importance of subject characteristics, task condition, and task performance when comparing across studies or when developing treatment of people with low back pain.     

Processes of anticipatory postural adjustment and step movement of gait initiation

The purpose of this study was to elucidate whether the anticipatory postural adjustment (APA) and focal step movement of gait initiation are produced as a single process or different processes and whether the APA receives an inhibitory drive from the ongoing stop process of gait initiation. Healthy humans initiated gait in response to a first visual cue that instructed the initial swing leg. In some trials, a switch or stop cue was also provided after the first cue. When the stop cue was provided, participants withheld gait initiation. When the switch cue was provided, participants immediately switched the initial swing leg. In both the stop and switch tasks, the APA in response to the first cue, represented by the S1 period of the displacement of the center of pressure, appeared in more than half of the trials in which the withholding of gait initiation or switching of the initial swing leg was successfully completed. These findings indicate that the APA and focal step movement of gait initiation are produced as a dual process. In trials in which the APA in response to the first cue appeared, the amplitude and duration of the APA were decreased when the participants switched the initial swing leg or withheld gait initiation. This finding indicates that the ongoing stop process of gait initiation produces an inhibitory drive over the APA. The decreases in the amplitude and duration of the APA during the switching of the initial swing leg were similar to those during the withholding of gait initiation; moreover, the decreases during the switching of the initial swing leg were positively correlated with the decreases during the withholding of gait initiation. Thus, the stop processes during switching the initial swing leg and withholding gait initiation likely share a common inhibitory mechanism over the APA.     

The role of violence between parents on the sexism and well-being of their children / El papel de la violencia entre progenitores en el sexismo y bienestar de los hijos e hijas

The main purpose of this study was to analyse whether children’s exposure to marital violence was associated with higher levels of hostile or benevolent sexism and with lower psychological well-being when they are adults. The sample consisted of 1,378 university students of both sexes aged between 17 and 30. As was expected, marital violence and ambivalent sexism inversely predicted children’s psychological well-being. Children’s exposure to marital violence was a significant predictor of ambivalent sexism, although its low predictive value is discussed.