题库结构对原始题在线属性标定准确性之影响研究

目前已有研究证明可达阵在认知诊断测验编制中起重要作用,但迄今为止并没有引起普遍注意。本文主要讨论当题库缺少某些可达阵对应的项目类,对原始题的属性向量在线标定的准确性的影响。本文对含6个属性的独立型结构进行了模拟试验,结果显示：如果题库不充要,原始题的属性标定准确性受到影响,题库中非可达阵中项目对标定有一定的弥补作用。间接印证了可达阵在认知诊断题库起到非常重要的作用。     

Auditory repetition priming is impaired in pure alexic patients

Alexia without agraphia, or "pure" alexia, is an acquired impairment in reading that leaves writing skills intact. Repetition priming for visually presented words is diminished in pure alexia. However, it is not possible to verify whether this priming deficit is modality-specific or modality independent because reading abilities are compromised. Hence, auditory repetition priming was assessed with lexical decision and word stem completion tasks in pure alexic patients with lesions in left inferior temporal-occipital cortex and the splenium. Perceptually based, modality-specific priming models predict intact auditory priming, since auditory association cortex is spared in the patients. Alternatively, modality-independent models, which suggest that priming reflects the temporary modification of an amodal system, might predict impairments. Baseline performance was matched in the patients and controls, although lexical decision priming measures showed an interaction between group and repetition lag. The patients showed intact immediate priming but significantly less priming than controls at longer delays. Furthermore, word stem completion priming was abolished in the patients. One explanation for the deficit is that left inferior temporal-occipital cortex supports amodal aspects of priming, as suggested by recent neuroimaging results. Another possibility is that long-term auditory priming relies on covert orthographic representations which were unavailable in the patients. The results provide support for interactive models of word identification.     

A Beautiful Mind

It is often difficult to discern the line between creativity and madness. This presents a particular hazard for the analyst, whose failure to recognize real potential can result in undermining the individual's developmental strivings. This dilemma is explored through a case illustration of a woman whose creativity was undermined by a lack of recognition. To vivify the dilemma, the author invites the reader to look through her eyes into the lens offered by the film A Beautiful Mind, which portrays the struggles of Nobel Prize-winning mathematician John Nash to maintain his sanity while also testing the limits of his mind and imagination. These illustrations encourage us to consider the dilemma of the gifted individual when excessive tension arises between absorption in one's medium versus needs for recognition.     

Physical and conceptual priming effects on picture and word identification

In the study phase of these experiments, subjects were asked to think of an item suggested by the omission in an incomplete sentence, and then look at a picture or word describing an item and say whether it was the same as theirs. In the test phase, they were asked to identify studied and nonstudied items presented briefly in either picture or word form. Subjects were then required to recall the words or pictures shown in the study phase. Experiment 1, with a within-subjects design, revealed that the studied pictures were identified more readily than studied words and nonstudied pictures. This indicates a physical priming effect. In word identification, studied words were identified more readily than nonstudied words; however, there was no difference between studied words and studied pictures, and the performance for studied pictures and nonstudied items were largely the same. The physical priming effect on picture identification was also shown in Experiment 2, with a between-subjects design. Different processing mechanisms in picture and word identification are discussed.     

刺激属性对内隐社会知觉的影响

本文通过选择不同词性（消极词、积极词和中性词）的双字词64个,主要对“刺激属性”变量进行了实验操作;采用“意识过滤”技术和速示辨认测验对内隐社会知觉的特点进行了考察;结果发现,实验材料的笔划数和被试的性别对内隐社会知觉没有影响,刺激的特性和刺激的启动作用对内除社会知觉有显著的影响;同时还证明速示辨认测验不受意识的“污染”,将速示辨认作为内臆测验的方法是比较“纯净的”。     

Utility of teacher behavior ratings for identifying special needs students

The purpose of this study was to explore the efficacy of a teacher behavior rating instrument for identifying special needs students. Using a modified form of theDevereux Elementary School Behavior Rating (DESB)Scale 35 kindergarten through grade 6 regular classroom teachers completed ratings on all of their 876 students. Subsequently, extensive aptitude, academic, social, and behavioral assessment was conducted and those students were identified who were in need of supportive educational programming to function adequately within the regular class setting. Analysis of the teacher behavior ratings indicated a highly significant difference between those students identified for special supportive services and their regular classroom peers on 9 of 11 behavioral factors. The findings lend clear support for the use of classroom teachers' behavior ratings in the identification process.     

The relative sensitivities of same-different and identification judgment models to perceptual dependence

Probabilistic models of same-different and identification judgments are compared (within each paradigm) with regard to their sensitivity to perceptual dependence or the degree to which the underlying psychological dimensions are correlated. Three same-different judgment models are compared. One is a step function or decision bound model and the other two are probabilistic variants of a similarity model proposed by Shepard. Three types of identification models are compared: decision bound models, a probabilistic multidimensional scaling model, and probabilistic models based on the Shepard-Luce choice rule. The decision bound models were found to be most sensitive to perceptual dependence, especially when there is considerable distributional overlap. The same-different model based on the city-block metric and an exponential decay similarity function, and the corresponding identification model were found to be particularly insensitive to perceptual dependence. These results suggest that if a Shepard-type similarity function accurately describes behavior, then under typical experimental conditions it should be difficult to see the effects of perceptual dependence. This result provides strong support for a perceptualindependence assumption when using these models. These theoretical results may also play an important role in studying different decision rules employed at different stages of identification training.We thank Robert Melara, Jerome Busemeyer and three anonymous reviewers for comments on an earlier draft of this paper.     

Physiological arousal and reactions to outgroup members during competitions that implicate an important social identity

Exposure to sports competitions, especially those involving violence, can elevate physiological arousal, potentially setting the stage for transforming hostile inclinations into aggressive behavior. Personality and cognitive factors that influence the interpretation given to such competitions may influence the impact of these events. The effects of exposure to a sporting competition that had high or low importance for subjects' social identity on pre- to post-film blood pressure and evaluations of outgroups were examined. Aggression may be particularly likely when arousal levels are elevated, and such arousal was expected to be determined by the importance of the identity at stake, regardless of the outcome of the competition. Individuals who were either strongly identified with America or were less identified viewed a boxing match where the American athlete lost the competition (and the Russian contestant won), or the Russian athlete lost (and the American won). Both diastolic and systolic blood pressure measures showed an increase pre- to post-film in the highly identified persons while no such change was observed in the low identitied individuals. Cognitive measures assessing evaluations of the Russian boxer, and Russians in general, showed effects parallel to the arousal indexes with high identified persons expressing more derogation of threat-relevant targets than did those low in identification. Arousal increases in only the highly identified viewers predicted derogation of Russians. Discussion centers on the role of identification with a sports team on physiological processes and their implications for spectator aggression.     

The dual path of the rejection (dis)identification model: A study on adolescents with a migrant background

Ethnic-based rejection, especially when prolonged over time, can result in withdrawal (e.g., resignation) and antisocial (e.g., delinquent) behaviors. Rejection (dis)identification literature suggests that identification with the minority (ethnic) group and disidentification with the majority (national) group mediate the relationship between rejection and different dimensions of well-being. Through secondary analyses of survey data from an international sample of adolescents with a migrant background (N = 1,163) we tested the predictions that, following chronic experiences of rejection, disidentification from the national (rejecting) group will increase withdrawal and feelings of resignation whereas identification with the ethic (rejected) group will have a protective role toward delinquent behaviors. Results of the path analysis were consistent with these hypotheses without significant differences between immigrant generations. The study sheds light on the multifaceted nature of identification processes following social rejection and contributes to the integration of the rejection-identification model with classical theorizations of social exclusion.