《中国人群死亡及其危险因素:流行水平、趋势和分布》的研究思路

回顾了该研究的思路,指出进行这样的研究,关键是建立一个有代表性的监测系统,针对同一监测人群,开展综合监测,发展规范的现场工作程序,确保获得高质量数据.建立标准的、动态的人口库、出生、死亡和危险因素个案库,是完成这项研究的前提,世界卫生组织专家称这是中国人在流行病学监测中的天才创新.     

生物库管理:如何避免失败

近年来,生物库成为了人们关注的焦点,因为生物库已经成为了生物制药和药学研究领域新的必备基础和来源.生物库所承载的历史使命是极具挑战性的,甚至有些令人望而却步:它既要将现有生物样本库转化成基因学研究的新的研究工具,又要建立大规模人群生物库.建立或维护生物库不仅仅是一项简单的收集工作,而是要通过生物库管理来赋予其特定的知识价值,这种知识价值可以产生相应的医疗健康意义或某种经济价值.生物库的成败与否,生物库创造价值的能力,取决于管理体系的确立和有序模式的建立,其建立可以为分类提供策略,并最终建立一个互动的网络体系,这个互动网络体系呈现在一系列不同的领域中:科学/技术领域,医药/卫生领域,产业化经济领域,法律道德和社会政治领域.     

回溯性监测判断与预见性监测判断发展的比较研究

实验采用3×3×2(年龄,材料,性别)三因素混合实验设计,按照学习成绩好、中、差分层随机选取小二、初二、大二被试各18名,其中男女各半,对被试回溯性监测判断与预见性监测判断的发展进行了比较研究,得到如下结论①三种监测判断发展的速度不同,回溯性监测判断发展最早,回忆准备就绪程度的判断发展较早,任务难度的预见判断发展最晚。②材料在三种监测判断中的作用不同。③三种监测判断发展中性别差异均不显著。④预见性监测水平与记忆成绩之间存在较高正相关,而回溯性监测水平与记忆成绩之间相关较低。     

读者的元理解监测为什么不精确？

精确的元理解监测对随后的元理解控制和阅读理解有重要作用,但是,通常情况下,读者的元理解监测并不精确。回顾20余年的元理解监测研究,发现元理解监测的精确性主要受制于阅读材料特征、监测线索与标准测验特征等因素。未来研究应注意元理解监测的判断形式、监测线索及评价标准对元理解监测精确性的交互关联影响。     

元记忆监测研究综述

元记忆监测是元记忆能力的重要部分,元记忆监测能力是元记忆能力的关键。近年来元记忆监测引起越来越多人的研究兴趣,这种研究兴趣渗透到心理学的不同领域,如记忆心理学、认知神经心理学和社会心理学等。本文探讨了元记忆监测的含义、类型、机制理论和研究方法,也指出了存在的问题并进行了展望。     

肿瘤数据库及组织库的建设

随着肿瘤研究的日益深入,肿瘤组织库的重要性逐渐显现,世界各地都建立了肿瘤组织库。作为肿瘤组织库管理系统和肿瘤临床资料收集、管理者的肿瘤数据库在组织库建设以及肿瘤研究中具有重要的作用。近十年来,我国的肿瘤数据库和组织库开始出现,仍处于起步阶段,存在着诸多问题,建立标准化数据库和组织库具有十分重要的意义。     

肿瘤数据库及组织库的建设

随着肿瘤研究的日益深入,肿瘤组织库的重要性逐渐显现,世界各地都建立了肿瘤组织库.作为肿瘤组织库管理系统和肿瘤临床资料收集、管理者的肿瘤数据库在组织库建设以及肿瘤研究中具有重要的作用.近十年来,我国的肿瘤数据库和组织库开始出现,仍处于起步阶段,存在着诸多问题,建立标准化数据库和组织库具有十分重要的意义.     

元记忆监测研究的横向比较

元记忆监测在记忆活动中发挥重要作用。元记忆自FOK研究开始,到理论框架的提出,各种理论逐渐发展成熟。文章从元记忆监测总过程的视角对近年来EOL、FOK、JOL、JOC等元记忆监测成分的研究范式、认知机制及神经机制进行了横向比较,概述了元记忆监测研究的进展及动态。     

小学高年级学生元认知监测对认知操作输出的影响:执行功能的调节作用

研究采用经典的执行功能测验-威斯康星卡片分类任务,通过自由报告法让被试对每次分类反应进行元认知监测、控制,以探讨小学五、六年级学生元认知控制、执行功能在元认知监测对认知操作输出（奖惩分数、正确应答比例提高指标）影响中的调节作用。研究结果发现：（1）执行功能指标中完成分类数、错误分类数、非持续性错误数、持续性错误数指标在元认知监测与正确应答比例提高之间的调节作用显著;（2）元认知监测在较低的执行功能水平上具有促进作用,即,当执行功能水平较低时,有效的元认知监测可以提高认知操作的输出成绩。研究结果支持元认知监控是与动机有关的、有意识的调节控制,为从理论上厘清元认知监控与执行功能的关系提供了实证支持。     

奖赏通过增强信号监测提升认知控制

认知控制是动态的、过程性的认知调控, 涉及监测和控制两个过程。先前研究表明奖赏可以提升认知控制, 但是奖赏是通过增强信号监测来提升认知控制的, 还是作用于控制过程来提升认知控制的, 是一个有待研究的重要问题。在本研究中, 我们设计了三个实验来调查这一问题。实验1采用Stop-Signal任务验证奖赏是否能提升认知控制; 实验2通过改变反应规则将Stop-Signal任务信号监测加工分离出来, 探讨实验1中奖赏的提升作用是否来源于奖赏对信号监测的增强; 实验3通过操纵注意资源损耗分析, 考察注意资源分配对信号监测的促进作用。实验1结果显示, 个体能更快地根据奖赏信息做出抑制反应。实验2结果表明, 在信号监测任务中, 个体能更加快速地监测到与当前抑制状态相冲突且和奖赏相关的反应信号, 据此可认为奖赏通过增强对相关信号的监测, 有助于个体更早地启动奖赏刺激信号所对应的反应, 更高效地控制冲突。实验3结果说明, 当任务难度增大, 注意资源损耗, 奖赏相关信号的反应时和正确率仍优于无奖赏信号, 说明注意资源的分配可以调节相关信号的监测速度。总体来看, 本研究通过一系列实验表明, 以目标为导向的行为发生过程中, 奖赏能有效提升认知控制效率, 其关键机制在于通过注意资源分配增强相关信号的监测。     

中国的安乐死观念与卫生保健

把在荷兰福利体制下狭义的安乐死概念移植到中国是不适当的.对于临终病人医疗上的缺陷不能用他们临终时的体面、尊严这一标准来衡量.这一问题的解决不是迅速地结束生命,而是要通过中国卫生医疗决策中的分配公正来提高生命的质量,需要建立一个跨国框架来讨论安乐死的特性与共性.     

Representation and working memory in early arithmetic

Working memory has been implicated in the early acquisition of arithmetic skill, but the relations among different components of working memory, performance on different types of arithmetic problems, and development have not been explored. Preschool and Grade 1 children completed measures of phonological, visual-spatial, and central executive working memory, as well as nonverbal and verbal arithmetic problems, some of which included irrelevant information. For preschool children, accuracy was higher on nonverbal problems than on verbal problems, and the best and only unique predictor of performance on the standard nonverbal problems was visual-spatial working memory. This finding is consistent with the view that most preschoolers use a mental model for arithmetic that requires visual-spatial working memory. For Grade 1 children, performance was equivalent on nonverbal and verbal problems, and phonological working memory was the best predictor of performance on standard verbal problems. For both age groups, problems with added irrelevant information were substantially more difficult than standard problems, and in some cases measures of the central executive predicted performance. Assessing performance on different components of working memory in conjunction with different types of arithmetic problems provided new insights into the developing relations between working memory and how children do arithmetic.     

Differential constraints on the working memory and reading abilities of individuals with learning difficulties and typically developing children

This study examined the factors that constrain the working memory span performance and reading ability of individuals with generalized learning difficulties. In the study, 50 individuals with learning difficulties (LD) and 50 typically developing children (TD) matched for reading age completed two working memory span tasks. Participants also completed independent measures of the processing and storage operations involved in each working memory span task and Raven's Coloured Progressive Matrices. The results showed that despite an equivalent level of working memory span, the relative importance of the constraints on working memory differed between the groups. In addition, working memory span was not closely related to word recognition or sentence comprehension performance in the LD group. These results suggest that the working memory span performance of LD and TD individuals may reflect different working memory limitations and that individuals with generalized learning difficulties may approach cognitive tasks in a qualitatively different way from that of typically developing individuals.     

Ethical Guidelines for Counselors When Working With Clients With Terminal Illness Requesting Physician Aid in Dying

In 2005, the American Counseling Association (ACA) introduced a new ethical standard for counselors working with clients with terminal illness who are considering hastened death options. The authors’ purpose is to inform counselors of the Death With Dignity Act and explore relevant ethical guidelines in the ACA Code of Ethics ( ACA, 2005 ).     

The role of working memory in achievement goal pursuit

The present research examined the role of working memory in the pursuit of qualitatively different achievement goals. Pursuit of a mastery-approach goal entails a focus on developing self-referential competence while a performance-approach goal entails a focus on demonstrating normative competence. Across two experiments it was found that, when working memory is loaded, individuals pursuing a mastery-approach goal experienced larger performance decrements than individuals pursuing a performance-approach goal or those in a no-goal control. It was also found that reliance upon working memory intensive strategies (explicit strategies) was more evident for those in a mastery-approach condition, whereas reliance upon less working memory intensive strategies (implicit strategies) was more evident for those in the performance-approach condition. Results suggest that a motivated focus on developing self-referential skill relies heavily on working memory, facilitated by the use of deliberative, ‘step-by-step’ strategies during goal pursuit. Conversely, a focus on demonstrating normative skill depends less on working memory, facilitated by the use of more heuristic ‘short-cut’ strategies during goal pursuit. These findings show, for the first time, that working memory plays an important, but selective, role in achievement goal pursuit.     

Effects of game‐based and standard executive control training on cognitive and academic abilities in elementary school children

Several studies indicate that executive functions (EF), such as working memory (WM), inhibition or flexibility can be improved by training and that these training‐related benefits in WM capacity generalize to reading and mathematical abilities. However, the results of these studies are inconsistent and most of them focused on WM training in children with learning difficulties. Evidence for typically developing children is rare and no study has investigated inhibition training or flexibility training. There is also a lack of studies taking motivational factors into account. Therefore, this study compared the effects of game‐based and standard training regimens targeting WM, inhibition, or flexibility in children. One hundred and fifty‐three typically developing elementary school students (mean age = 9.6 years, standard deviations  = 0.8) were investigated in an intervention design with a pretest, 21 sessions of training, a posttest and a follow‐up after three months. They were randomized into one of six training groups or a control group. We found training gains in all training groups and higher self‐reported motivation in the game‐based as compared to the standard training groups. Furthermore, there was domain‐specific transfer to untrained EF tasks across all training groups. We found greater performance improvements in reading ability (but not mathematics) in the game‐based flexibility training group and the game‐based inhibition training group as compared to the control group. Transfer effects were still significant at follow‐up. In sum, our findings provide first evidence for a systematic comparison of training on different domains of EF and their differential effects on academic abilities.     

The Role of Death Qualification in Capital Trials Involving Juvenile Defendants1

The purpose of this study was to investigate the role of death qualification in capital trials involving juvenile defendants. Two hundred residents of the 12^th Judicial Circuit in Florida completed a booklet of stimulus materials that contained the following: One question that measured participants' level of support for the death penalty; One Witt death‐qualification question; a summary of the guilt and penalty phases of a capital case involving either an adult or a juvenile defendant; sentence preference; the Revised Legal Attitudes Questionnaire (RLAQ); and standard demographic questions. Results indicated that death‐qualified participants were more likely to sentence both defendants to death. In addition, death‐qualified participants were more likely to recommend the death sentence for the juvenile defendant. Legal implications are discussed.     

The Politics of Biometric Standards: The Case of Israel Biometric Project

In 2017, after years of public debate, Israel ratified a national biometric project consisting of two initiatives: issuing of biometric ID cards and passports to all Israeli citizens and establishment of a centralized database for storing their bodily information. Design and implementation of a preceding four-year pilot study were accompanied by extensive standardization. Discourse and standard analyses of 33 official state documents – from legal records to performance reports – published by Israeli authorities during the pilot study, unravel the politics of biometric standards employed as part of this project. Biometric standards were used to establish hierarchies between individuals and groups by defining particular bodies as ‘biometrically ineligible.’ These individuals are mostly members of underprivileged and marginalized social groups. Biometric standards were also constructed discursively as scientific and objective to legitimize such discriminatory treatment. Israeli authorities used standards strategically, both as infrastructural elements and as a discursive means. As infrastructural elements, biometric standards were employed, inter alia, to achieve predetermined results and confirm the project’s success. As a discursive means, Israeli authorities actively adopted a ‘discourse of standardization’ to construct an objective and fair image to the project. Standardization of people – namely, quantification of lives, bodies and experiences – is inherently discriminatory because it necessarily results in the creation of categories and hierarchies between biometrically in/eligible bodies.     

The Mid-Career Award

Working memory is an extremely influential concept within experimental psychology, with, at the time of writing, over 90 papers with this term in their title published in this journal alone since 2000. One reason for this interest is that measures of working memory tend to be strong correlates of important indices of real-world function. In addition, at first sight working memory appears to be a relatively simple concept to understand. However, despite this apparent simplicity, explaining working memory performance is not straightforward. In this paper I address this challenge, with a particular focus on the development of working memory performance in children; both children developing typically and those experiencing atypical development. I specifically highlight the multiple constraints on working memory performance, and how these constraints inter-relate. I then consider the broader theoretical implications of each of these constraints for current accounts of working memory and its development.     

中美医疗责任保险之比较研究

医疗责任保险是转移损害、分散风险的有效方法之一.为促进我国医疗责任保险的发展,对中美医疗责任保险的市场主体、产品供给、运营环境、运作实践和医界的保险意识进行比较分析,借鉴美国的先进经验,从社会系统工程的角度提出我国医疗责任发展对策.