文昌鱼的光动反应

文昌鱼的中枢神经系统早在上个世纪就受到神经解剖学家们的注意。这是因为它代表着动物演化上的一个很典型的阶段。在这个阶段,动物身体的背侧开始有了神经管。这个神经管在外形上很象脊椎动物胚胎初期形成的神经管,其内部的神经组织也较简单。此外,正如神经管初成阶段的脊椎动物胚胎一样,文昌鱼还不具备发育的和特异     

The Stroop congruency effect is more observable under a speed strategy than an accuracy strategy

Naming the ink color of an incongruent color word (e.g., RED printed in green) usually takes longer than naming the ink color of a color bar. However, when the ink matches the word (e.g., RED printed in red), naming tends to be faster. These phenomena are known as the STroop interference effect and the Stroop congruency effect, respectively. Although the interference effect has been robust and reliable across studies, the congruency effect tends to be elusive. It was hypothesized that this variation in outcomes might be related to subjects' response strategy. The experiment conducted to test this hypothesis induced either a speed or an accuracy strategy in two separate groups of subjects. Significant interference effects were found for both groups and the magnitudes did not differ. At the same time, the congruency effect was observed in the speed group but not in the accuracy group. These results suggest that researchers who wish to observe and study the Stroop congruency and interference effects should place special emphasis on speed. Implications of the study for a model of the Stroop effect are also discussed.     

平行斜线诱导的垂直错觉之规律及原因初探

此实验测定了20个大学生和青年工人的垂直错觉。错觉模式的诱导部分为一组平行斜线,测试部分为差不多互相垂直的竖直线和水平线。在平行斜线诱导下,被试产生了把测试部分看成垂直的错觉。错觉量的大小与诱导线的倾斜角度有关。把此错觉模式的诱导部分与测试部分分开,以实体镜观察时(一个眼各看一部分,两眼同时观察)则没有发生错觉,说明此错觉最初可能发生于视网膜上。此错觉可用侧抑制理论来解释。     

全球地域化:基督宗教在华传播史的一种诠释——对章开沅"传播与植根"观念的解读

章开沅自20世纪80年代中期涉足中国基督宗教史研究领域.他通过深入考察基督宗教在中国传播的历史进程,精辟阐释中西文化的巨大差异,透彻解析中外基督徒有识之士的经典著述,站在跨文化对话的高度,对中国基督宗教史予以"全球地域化"解读.章开沅认为,只有构筑中国本土化的世界观与价值观,才是基督宗教在华"传播与植根"的必由之路.     

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.     

Word Learning in L2 Chinese: from Perspectives of Learner-Related and Language-Related Factors

Journal of Psycholinguistic Research - Word learning in a second language (L2) is a complex process, which is affected by learner-related (e.g., morphological awareness) and language-related (e.g.,...     

Lattices of Finitely Alternative Normal Tense Logics

Studia Logica - A finitely alternative normal tense logic $$T_{n,m}$$ is a normal tense logic characterized by frames in which every point has at most n future alternatives and m past alternatives....     

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...     

汉语发展性阅读障碍儿童视觉同时性加工技能子成分的发展及其与阅读的关系

通过分别以高频汉字(实验1)和图形非言语材料(实验2)为刺激的两个联合视觉注意任务, 并采用基于Budensen视觉注意理论的参数估计方法, 系统地探查小学三~六年级汉语发展性阅读障碍儿童的视觉同时性加工技能缺陷的内在机制。以43名汉语发展性阅读障碍儿童和46名生理年龄匹配典型发展儿童为被试, 每类被试均被分为小学中年级组(三、四年级)和高年级组(五、六年级)。两个实验均发现不同年级组的阅读障碍儿童在知觉加工速度参数上显著小于控制组儿童。在空间注意分布权重参数上, 实验1的结果显示, 不同于控制组儿童向左侧化发展的注意分布模式, 两个年级组的阅读障碍儿童均表现为无偏的注意分布; 而实验2未发现显著组别差异。且这两种同时性加工子技能分别与不同水平的汉语阅读技能密切相关。结果表明, 汉语阅读障碍儿童在同时加工多个视觉刺激时存在持续的知觉加工速度缓慢的问题, 在同时加工言语类刺激时还表现出异常的空间注意分布模式。本研究有助于从基础认知层面揭示汉语发展性阅读障碍儿童的缺陷机理, 为进一步设计相关的提高阅读效率的干预方案提供理论依据。     

规范错觉对外出就餐中食物浪费的影响：心理机制与应对策略

规范错觉是指个体的规范感知与实际存在于群体中的社会规范之间存在差异, 规范错觉影响了社会生活的方方面面。对957份问卷调查的分析显示, 人们普遍高估了他人的食物浪费(行为错觉)以及对浪费的赞同程度(态度错觉), 而这两种错觉又加剧了人们自身的浪费行为。中介效应检验显示, 印象管理中的社交性维度部分中介了两种错觉与浪费行为间的关系。两个随机对照实验进一步检验了描述性(命令性)规范信息对行为(态度)错觉的影响, 结果发现, 描述性规范信息降低了行为错觉, 并通过社交性减少了浪费行为; 而命令性规范信息并不改变态度错觉本身, 但通过降低态度错觉对浪费的影响而减少了浪费行为。上述结果意味着两种规范信息尽管高度相似, 但其作用机制却可能不同, 同时这一发现也为政策制定者提出了两种干预途径。