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31.
以往研究关于视觉工作记忆回溯线索效应的产生机制主要存在5种假设, 目前依然存在争议。本研究通过改进前人研究实验范式, 采用包含内源性回溯线索的颜色回忆报告范式, 进一步对这5种假设进行检验。在实验1中, 我们调控了线索与探测阵列之间的时间间隔, 发现不同时间间隔不影响无线索条件的行为表现, 而在正常线索条件中被试的记忆精度以及能记住的项目数量均优于无线索条件; 在实验2中, 我们对回溯线索伴随的干扰刺激类型进行控制, 结果显示, 在不同条件下记忆精度不存在差别, 但当回溯线索伴随干扰刺激呈现时, 被试能记住的项目数量会被降低, 降低程度受干扰刺激的类型调制; 在实验3中, 我们对伴随回溯线索的干扰刺激的呈现时间进行控制, 发现虽然回溯线索效应仍然存在, 但干扰刺激的呈现时间不会影响效应程度。研究结果表明, 回溯线索的出现使得被试能够在决策加工前完成内部注意资源的再分配, 从而避免了同时进行这两种认知加工与记忆表征维持本身竞争认知资源。本研究为认知阶段分离假设提供了支持证据, 对解决回溯线索效应产生机制的争议以及理解内部注意与视觉工作记忆的关系有重要意义。 相似文献
32.
视觉工作记忆中(VWM)已稳定存储的表征,依然会受内部注意选择的影响,说明内部注意选择对VWM发挥重要作用。本文首先阐述该领域主要的研究方法,然后对VWM中内部注意选择的效果和四个特性:时程、对象、容量和可持续性,以及其背后可能的理论机制和神经机制进行分析和总结。并据此从VWM的存储结构、内部注意的产生机制和处理方式等方面,为未来研究提出方向和建议。 相似文献
33.
Martin-Vallas F 《The Journal of analytical psychology》2002,47(4):539-554
In the first part of the paper the author presents an account of the analysis of a woman who is psychically extremely disturbed. This clinical presentation focuses on the unfolding of the transference process, and on the countertransference difficulties encountered during the course of the treatment which lasted more than ten years. In the second part of the paper the author proposes a theoretical approach to the breakdown experienced by the patient, and puts forward the hypothesis that there was insufficient differentiation between her internal objects and the archetypes, and that this prevented the development of symbolization. The author proposes the idea of a collapse between internal and external objects, which destroys the space necessary for representation and symbolization that normally arise between the two poles of the object. The account of this transference process between the analyst and the patient is thus seen as the account of the (re)construction of true internal objects, and of the resumption of a symbolic process to make possible the development of subjectivity. 相似文献
34.
Colman W 《The Journal of analytical psychology》2000,45(4):521-539
This paper sets the archetypal relationship between the tyrannical, devouring father and his sons in the context of a disjunction in the parental couple (syzygy) whereby the role of the maternal feminine is eclipsed and excluded. This is shown to originate in an omnipotent defence against infantile dependence on the mother. Successful liberation from the father's tyranny requires the restoration of mutuality between the internal couple. Although the main focus is on the internal world (and a detailed clinical illustration is given, showing the working out of this process in the analytical relationship), reference is also made to political tyranny, attitudes to the control of Nature by technological means and patriarchal forms of masculinity. The Chronos myth is amplified through the use of two modern variants in the films The Terminator and Star Wars. 相似文献
35.
Cross-sociocultural group measurement equivalency is an important issue that generally has not been studied in the coping literature. Measurement equivalency of the COPE (Carver, Scheier, & Weintraub, 1989) was assessed across two sociocultural groups, a sample of 100 Anglo middle-class divorced mothers and a sample of 122 low-income Mexican American/Mexican immigrant mothers. A series of restrictive confirmatory factor analyses revealed that seven of the COPE's subscales may be measuring the same underlying construct across populations. However, scores derived from the subscales may not represent the same magnitude of the construct in these two groups. This study makes an important first step in furthering the understanding of coping strategies in low-income Mexican American/Mexican immigrant mothers. This study also illustrates the importance of testing for measurement equivalency before conducting comparative research in disparate populations. 相似文献
36.
Arnulf JK 《Scandinavian journal of psychology》2005,46(1):59-68
Organizational measurement is necessary for managing incremental improvements or change efforts. Some have argued that indicators of financial performance measure the past and should be joined by "lead" measures such as management development and customer relations, assumed to be drivers of performance. Approaches of "lead" measures have met criticism for not contributing to operational management. The present is an empirical case study where measures from a customer satisfaction survey and a management assessment instrument were analyzed and compared to actual measures of financial performance. The effects of measures obtained seem to depend on the interpretations and reflection taking place in the organization. The pursuit of "lead" indicators did not seem to drive results. Counter-intuitively, higher scores on these measures were related to poorer financial performance. The explication of and reflection on the underlying dynamic seemed to turn the development in a profitable direction. 相似文献
37.
Eunjeong?KangEmail author Ana María?Brannan Craig Anne?Heflinger 《Journal of child and family studies》2005,14(1):43-56
The aim of this study was to examine differences in responses to the Caregiver Strain Questionnaire (CGSQ) between African American and White caregivers of children with emotional and behavioral challenges. Significant item- and scale-level differences were detected across groups with African Americans consistently reporting less strain. We examined whether these differences were more likely due to nonequivalent measurement than to real differences in the experience of caregiver strain. Confirmatory factor analysis showed that the model fit the data well for both racial groups, but there were some differences in structural components. Internal consistency was equivalent across the groups. In an examination of criterion validity, regression analyses showed that African American caregivers experienced a slower rate of increase in objective caregiver strain at a given increase in child internalizing problems. No other race differences were found in the regression analyses. In general, we conclude that the CGSQ can be useful for detecting caregiver strain and identifying family support needs for both White and African American caregivers. Differences across groups in reports of caregiver strain, however, call for more research on racial differences in the impact on the family of caring for a child with emotional and behavioral disorders. 相似文献
38.
Dadds MR Whiting C Bunn P Fraser JA Charlson JH Pirola-Merlo A 《Journal of abnormal child psychology》2004,32(3):321-334
Cruelty to animals may be a particularly pernicious aspect of problematic child development. Progress in understanding the development of the problem is limited due to the complex nature of cruelty as a construct, and limitations with current assessment measures. The Children and Animals Inventory (CAI) was developed as a brief self- and parent-report measure of F. R. Ascione's (1993) 9 parameters of cruelty. The CAI emerged as a reliable, stable, and readily utilized measure of cruelty using parent and child reports. Children (especially the older children) reported higher rates of cruelty than their parents and boys reported more cruelty than girls. Self- and parent-reports showed good convergence with independent observations of cruelty versus nurturance during free interactions with domestic animals. The results indicate that cruelty to animals can be reliably measured using brief child and parent report measures. 相似文献
39.
Over-Assignment of Structure 总被引:1,自引:0,他引:1
40.
A person-fit index for polytomous rasch models,latent class models,and their mixture generalizations
A normally distributed person-fit index is proposed for detecting aberrant response patterns in latent class models and mixture distribution IRT models for dichotomous and polytomous data.This article extends previous work on the null distribution of person-fit indices for the dichotomous Rasch model to a number of models for categorical data. A comparison of two different approaches to handle the skewness of the person-fit index distribution is included.Major parts of this paper were written while the first author worked at the Institute for Science Education, Kiel, Germany. Any opinions expressed in this paper are those of the authors and not necessarily of Educational Testing Service. The results presented in this paper were improved by valuable comments from J. Rost, K. Yamamoto, N.D. Verhelst, E. Bedrick and two anonymous reviewers. 相似文献