创造力测评中的评分者效应

创造力测评中的评分者效应(rater effects)是指在创造性测评过程中, 由于评分者参与而对测评结果造成的影响.评分者效应本质上源于评分者内在认知加工的不同, 具体体现在其评分结果的差异.本文首先概述了评分者认知的相关研究, 以及评分者,创作者,社会文化因素对测评的影响.其次在评分结果层面梳理了评分者一致性信度的指标及其局限, 以及测验概化理论和多面Rasch模型在量化,控制该效应中的应用.最后基于当前研究仍存在的问题, 指出了未来可能的研究方向, 包括深化评分者认知研究,整合不同层面评分者效应的研究, 以及拓展创造力测评方法和技术等.     

中国残疾人就业政策的结构与扩展

残疾人就业受到国际性的普遍关注,其就业水平以及就业政策结构不仅是各国经济发展水平的标志之一,也是各国人权观念的体现.我国自八五期间起便开始系统关注残疾人就业问题,迄今已经形成了相对完整的残疾人就业政策体系.本文在客观描述我国近年来残疾人就业的市场格局与系统概括我国残疾人就业政策结构的基础上,考虑我国和谐社会发展以及残疾人就业的自身特殊性,借鉴国外实践,对我国残疾人就业政策的扩展进行了初步探讨.     

历史唯物主义与精神生活的现代性处境

<正>精神生活是一种人类生活的基本维度,是人类生命获得意义和价值的重要的生活样式,也是人的存在本质、价值追求、文化教养乃至一个民族或社会文明发展程度的重要表征。伴随着席卷全球的现代化浪潮和时代精神的转变,精神生活问题已经成为我们这一时代的焦点问题之一。反思人类精神生     

Set ambiguity: A key determinant of reliability and validity in the picture story exercise

The picture story exercise (PSE), in which participants write imaginative stories in response to motivationally-arousing images, is the most commonly-used tool for the assessment of implicit motives. Despite decades of research into the qualities of effective individual picture cues, much less is known about the desirable properties of overall picture sets. The present research highlights a previously undocumented methodological consideration—set ambiguity—which has important implications for the reliability and validity of the PSE. In a four-part study of 74 undergraduates, motive scores derived from an ambiguous picture set comprising cues that vary in motivational focus displayed greater test–retest reliability, convergent validity, and predictive validity than those derived from an unambiguous picture set. Researchers are therefore advised to consider set ambiguity when selecting images for use in PSE research.     

地方政府间竞争:经济溢出和技术溢出视角

推进区域经济协调发展已成为国家战略的重要组成部分。本文在现有研究基础上,首次提出区域间经济溢出与技术溢出整合分析框架,以引资政策竞争为切入点,构建地方政府博弈模型,探讨区域竞争效应,并通过对模型推演得出一系列推论。研究发现,在追求自身利益最大化的条件下,地方政府会充分考虑其决策对其它地区的经济与技术溢出效应,透过对双重溢出效应相对大小的考量,并结合短期或长期利益追求以及自身所处客观环境条件而做出相应的战略选择,据此能够理解我国地方政府竞争与合作行为,特别是对现实中地方政府引资竞争中为何屡屡出现恶性竞争现象给予了符合逻辑的解读。技术溢出效应导致区域创新投入并不一定能够显著促进本区域经济的快速增长,特别是对短期经济目标的追求。所以,需要更高层面的政府打破行政区域限制,构建跨区域的创新平台,推动创新要素的流动和合理配置,扩大技术溢出效应,这也使得设计整体社会利益最大化追求机制成为可能。     

Recent Transformations in China's Economic,Social, and Education Policies for Promoting Innovation and Creativity

The purpose of this study is to review major Chinese policies related to creativity education. We first identify and describe the role of innovation and creativity in economic and social development policies over the past 20 years, then analyze how the call for enhanced Chinese innovation and creativity was actualized in corresponding education policies. The article concludes with an analysis of issues surrounding Chinese education policy toward creativity and several directions for future research in this area.     

Response inhibition in adults and teenagers: spatiotemporal differences in the prefrontal cortex

Inhibition is a core executive function reliant on the frontal lobes that shows protracted maturation through to adulthood. We investigated the spatiotemporal characteristics of response inhibition during a visual go/no-go task in 14 teenagers and 14 adults using magnetoencephalography (MEG) and a contrast between two no-go experimental conditions designed to eliminate a common confound in earlier studies comparing go with no-go trials. Source analyses were performed using an event-related beamformer algorithm with co-registered individual structural MRIs. Performance was controlled to be similar across subjects. Analyses of MEG data revealed bilateral prefrontal activity in the inhibitory condition for both age groups, but with different spatiotemporal patterns: around 300ms after stimulus onset in middle frontal gyri in teenagers vs. around 260ms in inferior frontal gyri in adults. Moreover, the inhibition of a prepotent motor response showed a stronger recruitment of the left hemisphere in teenagers than in adults and of the right hemisphere in adults than in teenagers. These findings provide high-resolution temporal and spatial information regarding response inhibition in adolescents compared to adults, independent of motor components and performance differences.     

Behaviorally inhibited temperament is associated with severity of post-traumatic stress disorder symptoms and faster eyeblink conditioning in veterans

Prior studies have sometimes demonstrated facilitated acquisition of classically conditioned responses and/or resistance to extinction in post-traumatic stress disorder (PTSD). However, it is unclear whether these behaviors are acquired as a result of PTSD or exposure to trauma, or reflect preexisting risk factors that confer vulnerability for PTSD. Here, we examined classical eyeblink conditioning and extinction in veterans self-assessed for current PTSD symptoms, exposure to combat, and the personality trait of behavioral inhibition (BI), a risk factor for PTSD. A total of 128 veterans were recruited (mean age 51.2 years; 13.3% female); 126 completed self-assessment, with 25.4% reporting a history of exposure to combat and 30.9% reporting current, severe PTSD symptoms (PTSS). The severity of PTSS was correlated with current BI (R(2) = 0.497) and PTSS status could be predicted based on current BI and combat history (80.2% correct classification). A subset of the veterans (n = 87) also completed the eyeblink conditioning study. Among veterans without PTSS, childhood BI was associated with faster acquisition; veterans with PTSS showed delayed extinction, under some conditions. These data demonstrate a relationship between current BI and PTSS, and indicate that the facilitated conditioning sometimes observed in patients with PTSD may partially reflect personality traits such as childhood BI that pre-date and contribute to vulnerability for PTSD.     

“It’s Not Like Judgment Day”: Public Understanding of and Reactions to Personalized Genomic Risk Information

The value of genomic risk assessment depends upon patients making appropriate behavioral changes in response to increased risk leading to disease prevention and early detection. To date, few studies have investigated consumers’ response to personalized genomic disease risk information. To address this gap, we conducted semi-structured interviews with 60 adults participating in the Coriell Personalized Medicine Collaborative. The interviews took place after receiving results providing genomic and other risk information for up to eight common complex diseases. We found that participants were most likely to recall results which conferred an increased risk or those of particular personal interest. Participants understood the multi-factorial nature of common complex disease, and generally did not have negative emotional responses or overly deterministic perceptions of their results. Although most participants expressed a desire to use results to improve their health, a minority had actually taken action (behavior change or shared results with their doctor) at the time of the interview. These results suggest that participants have a reasonable understanding of genomic risk information and that provision of genomic risk information may motivate behavior change in some individuals; however additional work is needed to better understand the lack of change seen in the majority of participants.     

Differential effects of progesterone and medroxyprogesterone on delay eyeblink conditioning in ovariectomized rats

Ovarian hormones modulate acquisition processes involved in classical conditioning. Although progesterone has been indirectly implicated, its role in classical conditioning of the eyeblink response has not been directly investigated. We assessed the effects of daily dosing of progesterone or medroxyprogesterone (MPA), a non-metabolized synthetic progestin, upon the acquisition of a classically conditioned eyeblink response in ovariectomized (OVX) female rats. Rats were dosed 4h prior to each training session with 0.1 or 1.5 mg/kg of either of these hormones or sesame oil. A delay conditioning paradigm was employed using a 500 ms conditioned stimulus coterminating with a 10 ms 10 V unconditioned stimulus. At the low dose, progesterone and MPA rats did differ from each other, with MPA-treated rats learning slower, but neither group differed from OVX-oil or Sham-oil controls. No group differences in acquisition were observed at the higher dose. During extinction trials, high-dose MPA-treatment and OVX-oil groups extinguished quicker than the high-dose progesterone-treated group. In addition, unconditional response (UR) amplitudes were lower in all OVX groups, regardless of hormone or oil treatment, compared to the sham-oil group. Since MPA did not affect extinction, it is likely the slower extinction in the progesterone-treated rats is due to a metabolite of progesterone. Corticosterone is discussed as a likely candidate for such a role. In addition, we found chronic absence of ovarian hormones decreased UR amplitudes, although differences in UR amplitudes were not associated with changes in the acquisition process. These results are discussed with respect to differences in the hormonal effects upon acquisition versus extinction processes and how these data may explain reports of learning differences in women based on oral contraceptive usage.