特质目标定向与变革型领导

对72家企业的203名管理人员的特质目标定向与变革型领导的关系进行了研究,结果表明,我国企业管理人员的特质目标定向对下属知觉变革型领导具有极其显著的预测力,而三种特质目标定向中,具有学习目标定向可以有效地预测下属将管理者知觉为变革型领导,回避目标定向和证实目标定向则对下属知觉变革型领导无预测力。     

不同类型的测评维度对评价中心结构效度的影响研究

本研究将测评维度分为行为能力和心理特质两组,考察对评价中心结构效度的不同影响。A公司216名部门副经理级员工接受了本次管理素质评价中心测评,采用公文筐、角色扮演和无领导小组讨论三种方法,测查行为能力和心理特质两组维度,各自有三个维度被一种以上的方法测量。多质多法和验证性因素分析的结果表明,评价中心以行为能力比以心理特质为测评维度结构效度好;以行为能力为测评维度时,会聚效度和区分效度都较好。     

Coping skills training for children: effects on distress before, during, and after hospitalization for surgery

Thirty-three parent-child dyads (children's mean age = 7.2 years, SD = 1.2) were randomly assigned to information, anxiety reduction, or coping skills presurgical preparatory interventions. All groups received the "information" procedure that described typical hospitalization and surgery experiences via a puppetry film viewed 1 week prior to hospital admission. In the anxiety reduction group, parents also learned procedures (e.g., relaxation) to help them reduce their own distress. Parents in the coping skills group learned how to help their children use coping self-talk and related techniques. The coping skills intervention was expected to assist children most effectively, although the anxiety reduction procedure was also expected to improve adaptation relative to the information condition. These hypotheses were generally supported. Anxiety reduction and coping skills groups, compared to the information group, reduced children's self-reported fearfulness and parents' reported distress. Furthermore, only the coping skills group, compared to the information group, exhibited fewer maladaptive behaviors during hospitalization (ratings by observers) and less problematic behavior in the preadmission week and second postdischarge week (daily parental diaries). Theoretical explanations for these results are discussed in light of the similar findings obtained by Peterson and Shigetomi (1981).     

Regional gray matter volume mediates the relationship between family socioeconomic status and depression-related trait in a young healthy sample

Socioeconomic status (SES) is a complex phenomenon that is predicted by a broad spectrum of variables and is often conceptualized as a combination of financial, occupational, and educational influences. SES is associated with symptoms of depression and depression-related personality traits. Many studies have focused on the relationship between SES and depression symptoms in clinical subjects; however, there are few studies of the neural basis of the relationship between SES and depression-related personality traits in nonclinical subjects. Thus, in the present study, we studied the neural basis of the relationship between SES and depression-related traits. The first step was to use voxel-based morphometry (VBM) to investigate the neuroanatomical basis underlying family SES in a large sample of healthy subjects. We found a significant negative correlation between family SES and the medial prefrontal cortex (mPFC) that extending to the anterior cingulate cortex (ACC). Then, the mediation analysis revealed that the correlation between family SES, especially family income, and depression-related traits were mediated by the region of the mPFC that extending to the ACC volume. These findings suggest that the family income may play more important role in driving depression-related traits than that of parental education. They also suggest that the mPFC extension to the ACC may play an important role in the correlation between familial SES, especially with respect to family income and the depression-related traits.     

关于认知方式的实验研究——场依存性特征对学习和图形后效的影响

本文报告了关于认知方式的两个实验研究。第一个实验通过镶嵌图形测验与少年儿童学习能力测验和课业成绩的比较,发现场独立性越强,数学能力越好,但与语文学习无关。第二个实验比较分析了在图形后效中附加参照物对于场依存性和场独立性的不同效应,发现附加参照物对于场依存性强的人的斜线图形后效有显著的影响,而对场独立性强的人影响不大。另外,本实验显示了在认知方式上存在着一定的性别差异。     

四至九岁儿童类概念的发展的实驗——Ⅰ.分类与分类命名的实驗研究

問題 关于概念形成和发展的心理学研究已有过不少,但多是研究較簡单的概念,至于不同层次类概念的研究,則以韦尔契(L.Welch)的研究为最系統。他既研究了真实概念的形成,也研究了人为概念的形成,还进行了关于概念形成的个別訓練。結果說明从单一客体的抽象和从一組客体或从范围較广的客体的抽象是属于不同阶段和层次的,其抽     

无关工作记忆表征的负性情绪信息能否捕获视觉注意?一项眼动研究

研究通过分析视觉搜索任务的首次注视点和行为反应时, 探讨无关工作记忆表征的负性情绪信息对视觉注意选择的影响。实验1发现在反映早期注意选择的首次注视点百分率指标上, 不管工作记忆表征的情绪效价如何, 均出现了显著的注意捕获效应; 实验2发现当采用中性情绪靶子刺激时, 首次注视点百分率指标上仍表现出了稳健的注意捕获效应; 在首次注视点持续时间指标上, 实验1和实验2均发现记忆匹配条件的干扰刺激显著小于控制条件的干扰刺激, 表现出注意的快速脱离; 而在行为反应时指标上, 早期的注意捕获效应消失(实验1), 甚至被反转为注意抑制效应(实验2)。这些结果表明在早期注意选择阶段, 记忆驱动的注意捕获效应不受工作记忆表征情绪效价的影响, 但认知控制会在早期注意捕获之后促使注意快速脱离记忆匹配的干扰刺激, 其作用效果受靶子刺激情绪效价的调节。     

单亲家庭儿童相对剥夺感与心理适应的循环作用关系：一项追踪研究

本研究基于经典相对剥夺理论和发展情境理论, 采用纵向设计, 以湖北省某地区273名单亲家庭儿童为被试, 进行连续3次的追踪测查, 考察单亲家庭儿童相对剥夺感与心理适应的特点及其循环作用关系。结果发现: (1)单亲家庭男生的抑郁和孤独感水平比女生高; 贫困单亲家庭儿童的相对剥夺感、抑郁和孤独感水平比非贫困单亲家庭儿童高, 自尊水平比非贫困单亲家庭儿童低; (2)控制了性别、学段和家庭经济状况后, 在个体内水平上T1时的相对剥夺感显著负向预测T2时的心理适应, 进而显著负向预测T3时的相对剥夺感, 同时T2时的相对剥夺感也能显著负向预测T3时的心理适应; (3)相对剥夺感与心理适应的循环作用在不同家庭经济状况单亲儿童中存在显著差异, 贫困单亲家庭儿童的心理适应对其相对剥夺感的作用比非贫困单亲家庭儿童更大。可见, 单亲家庭儿童的相对剥夺感与心理适应存在循环作用关系, 即前测(T_n)的相对剥夺感会导致后测(T_n+1)的心理适应不良, 进而影响后测(T_n+2)的相对剥夺感, 研究结果对于单亲家庭儿童心理适应的干预具有一定启示意义。     

骨形成蛋白在骨缺损修复中的矛盾与克服

正确理解骨形成蛋白 (ＢｏｎｅＭｏｒｐｈｏｇｅｎｅｔｉｃＰｒｏ ｔｅｉｎ ,ＢＭＰ)在骨缺损修复中的矛盾与克服 ,将有助于ＢＭＰ的研究、应用和骨缺损修复这一临床难题的解决。1　ＢＭＰ的发现和确立ＢＭＰ是 2 0世纪中叶发现和确立的。 195 2年 ,Ｕｒｉｓｔ将未分化的结缔组织细胞植入动物眼前房诱导新骨形成[1] 。 196 5年他将动物的长骨皮质骨基质脱钙冻干后植入同种动物的肌肉组织内也诱导形成新生骨组织[2 ] 。随后 ,他在这方面进行了广泛和深入的研究 ,并总结回顾了以往的研究结果 ,于196 7年提出了骨诱导物质 (ＢｏｎｅＩｎｄｕｃ…     

蒽环类耐药转移性乳腺癌的治疗现状与思考

蒽环类药物是治疗乳腺癌最有效的化疗药物之一,但蒽环类耐药后乳腺癌可发生复发或转移,而转移性乳腺癌仍然提倡以化疗为主的综合治疗。肿瘤学工作者应以循证医学为指导,合理选择化疗方案,注重个体化治疗,才能在蒽环类耐药转移性乳腺癌的治疗上取得新突破。