医改"市场化"之争:目标定位与现实选择

"市场化"抑或"反市场化"之争,使得已整整20年的医疗体制改革基调突然变奏,医改在路向选择上也陷入模糊.医疗体制改革现状及其路径走向理性研判之后,"市场化"并非医改困局的根源.在此基础上,以国际上四种不同卫生体系模式的医改经验为鉴,明确了医疗体制改革的目标定位,并提出现实的对策构想.     

Goal orientation, task difficulty, and task interest: A multilevel analysis

We studied whether goal orientation affects the relationships that task difficulty and interest have with self-set goals. Using a sample of 499 undergraduate students who listed grade goals for their classes, we employed Hierarchical Linear Modeling to explain differences in the extent to which difficulty and interest related to goals. Higher goals were set for more interesting and easier classes, and for individuals higher in mastery goal orientation and for those lower in performance-avoidance orientation (at average levels of interest and difficulty). Furthermore, performance-approach and performance-avoidance orientations reduced and strengthened (respectively) the effects of task difficulty on self-set goals, and the buffering effect of mastery orientation was marginally significant. Portions of this paper were presented at the 19^th Annual Conference of the Society for Industrial and Organizational Psychology, Chicago, IL, in April 2004.     

Intracranial self-stimulation improves memory consolidation in rats with little training

Post-training intracranial electrical self-stimulation can improve learning and memory consolidation in rats. However, the molecular mechanisms involved are not known yet. Since previous paradigms of this kind of facilitation are relatively unsuitable to try a molecular approach, here we develop a single and short model of learning and memory facilitation by post-training self-stimulation that could make easier the research of its neural and molecular basis. Thus, three consecutive experiments were carried out to ascertain whether post-training self-stimulation is able to facilitate memory when learning consists of only a brief (5 trials) two-way active avoidance conditioning session. The results of Experiment 1 showed that it is actually possible, and that 48 h after the acquisition session is a very good time to observe the memory improvement. As a way to probe the retroactive effect of self-stimulation, in Experiment 2 we observed that the same self-stimulation treatment given to the subjects not post-training but 48 h before a single two-way active avoidance session does not improve the acquisition of conditioning. In Experiment 3, we showed that the SS facilitative effect observed 48 h after the acquisition session in Experiment 1 was still maintained one week later. We concluded that post-training intracranial self-stimulation can consistently improve memory consolidation even when little acquisition training is given to the animals in a single training session.     

Performance goals: The moderating roles of context and achievement orientation

Past research has yielded mixed findings for performance achievement goals. To help resolve this inconsistency, two experiments explored the moderating role of context and individual differences in achievement orientation. Participants in Study 1 pursued either a performance goal or no goal while solving enjoyable puzzles. They did so within either an evaluative or non-evaluative context, and received positive feedback after task completion. Results show that performance goals did not affect performance on the puzzles and undermined interest only when pursued within evaluative contexts by people low in achievement orientation. Study 2 replicated Study 1 and extended it by manipulating outcome feedback valence. Negative feedback given in an evaluative context undermined interest for people high in achievement orientation, but had no effect on those low in achievement orientation. The findings are related to classic achievement motivation findings and current approach-avoidant models of achievement goal theory.     

运动情境四维成就目标定向量表的初步编制——以第十二届特奥会中国籍智力残疾运动员为被试

该研究在文献分析和访谈的基础上,确定智力残疾运动领域成就目标定向的四维结构并编制初测问卷。对400名特奥会运动员进行了施测,对数据进行项目分析、验证性因素分析和信度分析。验证性因素分析和信度分析显示,问卷具有较好的效度和信度,可以作为运动领域四维目标定向的测量工具。     

Paleolithic Art and Cognition

In this article, I have explored some of the possible relationships between the first appearance of representational art in human history and the early development of human cognition. I argue that most Upper Paleolithic depictions directly represent generalized mental images of their animal subjects rather than percepts or recollected scenes from life and that these images, in turn, are representations of concepts at the basic level of categorization. A common feature of Paleolithic art forms is the salience of parts, and the treatment of parts indicates analytic and synthetic (recombinative) abilities. There are some indications of superordinate categorization. An expansion of conceptual thinking seems to be implied as well as the beginnings of operational thought. The presence and practice of depiction may have had the effect of bringing concepts into consciousness and thus inducing reflection in at least a partially abstract mode.     

成就目标：理论、应用及研究趋势

成就目标理论是当前教育领域有关学生成就动机最为活跃的研究热点之一。20世纪中后期Weiner在整合动机理论和归因理论的基础上提出了成就目标理论。之后,Dweck等学者对成就目标的概念、分类及动机模式进行了大量研究。成就目标理论具有很好的发展前景,并在学校教育、体育运动和生涯发展等领域得到广泛的应用。未来研究应强调成就目标的动态性与多维性,注重成就目标的性别差异和社会期许效应,运用多元化方法以提高成就目标研究的外部效度,拓宽研究对象以增强成就目标的应用性研究,更加关注情绪情感与成就目标之间的关系。     

The Role of Self-Focus,Task Difficulty,Task Self-Relevance,and Evaluation Anxiety in Reaction Time Performance

Self-focused attention has been found to facilitate task performance in some instances and inhibit it in others. Among chronically anxious individuals it appears to consistently hinder performance. Less is known about the impact of self-focus on the performance of normal individuals. The present study examines the role of task difficulty, task self-relevance, and presence of evaluation anxiety in the performance effects of self-focus among normal individuals. Participants performed a simple reaction time (RT) and a lexical decision task, in Experiments 1 and 2, respectively, with or without self-focus. Self-focus and evaluation anxiety resulted in faster responding in simple RT, but there was no significant effect of self-focus on performance in the more difficult lexical decision task. Participants' heart rate (HR) was monitored and indicated that orienting was associated with slower RT in both experiments, and less orienting was found during self-focus and evaluation conditions. Results are interpreted in light of several self-focus theories.