从"耳目"、"喉舌"到"向导"、"政监"——略论清末报人的办报理念与公众舆论的话语伦理

清朝末年,随着报刊业的发展和社会思潮的流转,报人对报刊的社会角色和功用提出了自己的理解,始曰“耳目”、“喉舌”,继之言“第四种族”与“舆论之母”,再则称“政监”与“向导”,愈转愈进,愈转愈激。由于立意于作为“政监”和“向导”,报刊特重“主观”之“言论”,遂由“代言”而逐渐转向“灌输”,甚至直接“制造舆论”。因此,尽管报人与报刊仍以代表“公意”、“公益”而自期,但主观之“言论”究竟在多大程度表达了“一般国民之公共意志”而于“民主政治”建设有所贡献,不免令人生疑。     

内侧前额皮层-伏隔核环路在决策冲动中的作用：基于动物模型的研究

注意缺陷多动障碍(attentiondeficit/hyperactivitydisorder,ADHD)行为控制不足与决策冲动密切相关,后者受内侧前额皮层(medial prefrontal cortex, mPFC)与伏隔核(nucleus accumbens, NAc)调节。为调查ADHD决策冲动与m PFC-NAc间功能耦合的关系,研究采用ADHD模型SHR (spontaneously hypertensive rat, SHR)大鼠,结合延迟折扣任务和在体电生理,研究发现,与对照Wistar (WIS)大鼠相比, SHR大鼠对延迟大奖赏的选择百分比降低; WIS大鼠m PFC-NAc的Theta频段相干值表现为延迟选择时显著大于立即选择时、首次选择时大于连续选择时、转换试次时大于连续试次时,而SHR大鼠在上述条件均低于WIS大鼠。回归分析发现m PFC-NAc的相干差值与延迟大奖赏选择率显著正相关。结果表明m PFC-NAc间功能联系减弱是ADHD决策冲动缺陷的重要环路基础,该缺陷与其深度信息加工以及策略转换能力受损有关,扩展了ADHD决策冲动的认知和神经机制的认识。     

The temporal structure of spoken sentence comprehension in Chinese

Three experiments with 60 native Chinese speakers were conducted to examine the temporal structure of spoken sentence comprehension in Chinese. In the two sentence-gating experiments, listeners heard sentence fragments of various sizes, either successively or individually, and decided on the agent role of the sentence. In the agent-naming experiment, listeners repeated aloud the sentence agent upon hearing the sentence. Converging evidence was derived from these experiments indicating the usefulness of sentence gating in tapping into the temporal structure of comprehension and in evaluating listeners’ comprehension on the basis of partial information. Results from these experiments show that partial sentence information plays a very important role in Chinese sentence comprehension, and that Chinese listeners integrate incomplete and ungrammatical sentence fragments by reference to complete and grammatical models in the language. It is argued that these processing characteristics reflect properties of the Chinese language in which few morphological, grammatical, and syntactic constraints are placed on the relationships between sentence constituents.     

心理因素和慢性前列腺炎关系的思考

慢性前列腺炎患者大多伴有不同程度的心理障碍,应重视患者的心理状态和精神活动,改善患者的生存质量.对这些患者,单纯的药物治疗,效果往往不佳,辅以相应的心理认知疗法,可以明显提高治愈率.经过心理治疗的患者复发率低,并对其周围的慢性前列腺炎患者有良好的诱导和表率作用,具有一定的临床和社会意义.     

Stopping rules for multi-category computerized classification testing

Computerized classification testing (CCT) aims to classify persons into one of two or more possible categories to make decisions such as mastery/non-mastery or meet most/meet all/exceed. A defining feature of CCT is its stopping criterion: the test terminates when there is enough confidence to make a decision. There is abundant research on CCT with a single cut-off, and two common stopping criteria are the sequential probability ratio test (SPRT) statistic and the generalized likelihood ratio statistic (GLR). However, there is a relative scarcity of research extending the SPRT to the multi-hypothesis case for when there is more than one cut-off. In this paper, we propose a new multi-category GLR (mGLR) statistic as well as a stochastically curtailed version of the CCT with three or more categories. A simulation study was conducted to show that the mGLR statistic outperformed the existing stopping rules by generating shorter average test length without sacrificing classification accuracy. Results also revealed that the stochastically curtailed mGLR successfully increased test efficiency in certain testing conditions.     

Using EM Algorithm for Finite Mixtures and Reformed Supplemented EM for MIRT Calibration

Psychometrika - This study revisits the parameter estimation issues in multidimensional item response theory more thoroughly and investigates some computation details that have seldom been...     

述情障碍与中学生人际关系:有调节的中介模型

为明确述情障碍与中学生人际关系间关系的内在机制,采用中学生人际关系量表、多伦多述情障碍量表、社交焦虑量表及领悟社会支持量表调查了北京市、石家庄市、佳木斯市三所中学7至11年级共998名学生,根据述情障碍的筛查标准,最终获得218份有效数据。结论如下：（1）述情障碍与社交焦虑呈显著正相关,与人际关系、社会支持呈显著负相关;人际关系与社交焦虑呈显著负相关,而与社会支持呈显著正相关;社交焦虑与社会支持呈显著负相关;（2）社交焦虑在述情障碍与中学生人际关系间起中介作用;社会支持在述情障碍与中学生人际关系间起调节作用;（3）"述情障碍→社交焦虑→中学生人际关系"这一中介路径的前半段,受到社会支持的调节。与高社会支持个体相比,述情障碍对低社会支持个体的社交焦虑影响更大。     

父母学业参与、父母学业压力与青少年早期的学业投入:有调节的中介模型

为探讨父母学业参与和学业压力与青少年早期学业投入之间的关系,考察成就目标取向的中介作用,以及学业成就水平在该中介过程中的调节作用,对2487名初一学生进行测查,结果发现：（1）父母学业参与正向预测青少年早期个体的学业投入、负向预测学业抽离,父母学业压力正向预测学业抽离;（2）掌握目标取向在父母学业参与和青少年早期的学业投入之间起正向中介作用,在父母学业参与和学业抽离间发挥负向中介作用;表现回避目标取向在父母学业压力和学业抽离间具有正向中介作用;（3）掌握目标取向的中介作用受到学业成就水平的调节。研究结果揭示了父母学业参与和学业压力对青少年早期的学业投入的共同作用,为从家庭层面提高青少年的学业投入水平提供了参考。     

职场排斥对员工家庭的溢出效应：归属需求和工作家庭区隔偏好的作用

以往研究证实了职场排斥会对员工组织内诸多方面产生危害, 然而关于职场排斥向组织外部特别是家庭领域的溢出效应还知之甚少。本研究基于资源保存理论构建了一个有调节的中介效应模型, 探讨职场排斥对员工家庭贬损和家庭满意度的溢出效应和具体机制, 研究结果表明：(1)职场排斥对员工家庭贬损有显著正向作用, 对家庭满意度有显著负向作用; (2)工作压力中介了职场排斥与家庭贬损和家庭满意度的关系; (3)员工归属需求调节了职场排斥对工作压力的影响, 同时调节了工作压力在职场排斥与家庭贬损、家庭满意度之间的中介效应; (4)员工工作家庭区隔偏好调节了工作压力对家庭贬损和家庭满意度的作用, 并且调节了职场排斥通过工作压力对家庭贬损和家庭满意度的中介效应。     

口语句子的韵律边界：窥探言语理解的秘窗

韵律边界加工与言语理解紧密相关, 最近十几年来逐渐成为心理学和语言学的研究焦点。韵律系统包含若干由小到大的韵律单位, 不同单位的韵律成分其边界强度不同, 表现在音高、延宕和停顿三个声学线索上的参数也不同。句子的听力理解过程中, 听话人运用声学线索感知权重策略对韵律边界的声学线索进行加工。从神经层面上来看, 对于韵律边界的加工, 大脑显示出独立且特异性的神经机制。韵律边界的加工能力在婴儿出生后随年龄的增长而发展, 到了老年阶段则逐渐退化, 而且似乎能够对二语迁移。未来, 需要扩大对韵律边界声学表现的考查范围, 进一步明确韵律边界的加工过程, 进一步厘清韵律边界加工和句法加工之间的关系, 进一步关注二语者韵律边界加工能力的发展。