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31.
以2009年对扬州市24个行政村的实地调查为基础,本文对社会主义新农村建设背景下农民集中居住的需求进行了考察。研究结果表明,有一定比例的农民具有明确的集中居住的需求,且文化程度较高、家庭收入主要来源于非农业、收入水平较高的农户集中居住的需求相对较强。但对大多数的经济欠发达地区而言,农民的文化程度相对较低,农业收入是主要的家庭收入来源,且农户的收入水平不足以支撑居住集中化过程中房屋搬迁和重建的相关费用时,比较适合农民生产和生活的居住形式还是村庄。 相似文献
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Jeanine Warisse Turner James D. Robinson Yan Tian Alan Neustadtl Pam Angelus Marie Russell Betty Levine 《人类交流研究》2013,39(2):252-268
This investigation examined the impact of social support messages on patient health outcomes. Forty‐one American Indian, Alaska Native, and Native Hawaiian patients received a total of 618 e‐mail messages from their healthcare provider (HCP). The e‐mail messages were divided into 3,565 message units and coded for instances of emotional social support. Patient glycosulated hemoglobin scores (HbA1c) showed significantly improved glycemic control and emotional social support messages were associated with significant decreases in HbA1c values. Patient involvement with the system, measured by system login frequency and the frequency of uploaded blood glucose scores to the HCP, did not predict change in HbA1c. 相似文献
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Working memory (WM) and empathy are core issues in cognitive and social science, respectively. However, no study so far has explored the relationship between these two constructs. Considering that empathy takes place based on the others’ observed experiences, which requires extracting the observed dynamic scene into WM and forming a coherent representation, we hypothesized that a sub-type of WM capacity, i.e., WM for biological movements (BM), should predict one’s empathy level. Therefore, WM capacity was measured for three distinct types of stimuli in a change detection task: BM of human beings (BM; Experiment 1), movements of rectangles (Experiment 2), and static colors (Experiment 3). The first two stimuli were dynamic and shared one WM buffer which differed from the WM buffer for colors; yet only the BM conveyed social information. We found that BM-WM capacity was positively correlated with both cognitive and emotional empathy, with no such correlations for WM capacity of movements of rectangles or of colors. Thus, the current study is the first to provide evidence linking a specific buffer of WM and empathy, and highlights the necessity for considering different WM capacities in future social and clinical research. 相似文献
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Evidence of effects of face attractiveness on memory is mixed and little is known about the underlying mechanisms of this relationship. Previous work suggests a possible mediating role of affective responding to faces (i.e., face likeability) on the relationship between face attractiveness and memory. Age-related change in social motivation may reduce the relevance of face attractiveness in older adults, with downstream effects on memory. In the present study, 50 young and 51 older participants were presented with face-trait pairs. Faces varied in attractiveness. Participants then completed a face-trait associative recognition memory task and provided likeability ratings for each face. There was a memory-enhancing effect of face attractiveness in young (but not older) participants, which was partially mediated by face likeability. In addition, more attractive and less attractive (compared to moderately attractive) faces were more likely remembered by both young and older participants. This quadratic effect of face attractiveness on memory was not mediated by face likeability. Findings are discussed in the context of motivational influences on memory that vary with age. 相似文献
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Yanlou Liu Tao Xin Björn Andersson Wei Tian 《The British journal of mathematical and statistical psychology》2019,72(1):18-37
Two new methods to estimate the asymptotic covariance matrix for marginal maximum likelihood estimation of cognitive diagnosis models (CDMs), the inverse of the observed information matrix and the sandwich-type estimator, are introduced. Unlike several previous covariance matrix estimators, the new methods take into account both the item and structural parameters. The relationships between the observed information matrix, the empirical cross-product information matrix, the sandwich-type covariance matrix and the two approaches proposed by de la Torre (2009, J. Educ. Behav. Stat., 34, 115) are discussed. Simulation results show that, for a correctly specified CDM and Q-matrix or with a slightly misspecified probability model, the observed information matrix and the sandwich-type covariance matrix exhibit good performance with respect to providing consistent standard errors of item parameter estimates. However, with substantial model misspecification only the sandwich-type covariance matrix exhibits robust performance. 相似文献
37.
Dawei Wang Xiaowen Li Mengmeng Zhou Phil Maguire Zhaobiao Zong Yixin Hu 《Scandinavian journal of psychology》2019,60(2):152-159
Drawing on the Conservation of Resources Theory by Hobfoll, we examined the relationships between abusive supervision, job insecurity, locus of control, and employees’ innovative behavior. Using self‐reported data collected from employees among four enterprises in China (N = 641), we found that abusive supervision was positively correlated with job insecurity. In contrast, both job insecurity and abusive supervision were negatively correlated with employees’ innovative behavior, with the impact of abusive supervision on innovative behavior being mediated by its effect on job insecurity. Having an external locus of control that served as a buffering factor for employees, mitigating the relationship between abusive supervision and job insecurity. These findings complement the existing research on the impacts of abusive leadership, providing practical information for enterprises on how to enhance levels of innovation and vitality among employees. 相似文献
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物质主义的经典研究分别从人格、价值观、目标和需要的角度界定和理解物质主义的相关现象。自我概念一直是贯穿物质主义研究的线索, 但直到最近研究者才试图以它为理论基点统摄与整合已有研究。相关研究表明, 物质主义者对自我的评价较低, 表现为低自尊、权变性自尊; 对自我的认识具有不一致性, 表现为自我概念不清晰、外显-内隐自尊分离、以及自我差距(理想自我与现实自我的差距)。最近出现的两个综合理论——物质主义的自我逃离理论与物质主义的认同目标追求理论提出, 物质主义是个体将物质拥有作为逃避自我的方式或满足自我认同动机的手段。这两个理论弥补了现有物质主义研究缺乏整合性理论的不足。未来研究可以通过借鉴有关自我概念的理论, 超越单纯的物质主义者自我匮乏的思路, 从而做出更大的理论贡献。 相似文献
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Generalized DINA Model(G-DINA)为认知诊断模型提供了一个一般性的理论框架,而高阶诊断模型不仅能描述被试的总体水平,还能描述被试对属性的掌握情况(微观的认知状态)以及被试掌握属性与能力的关系,提供更丰富的信息。如果能把这两者结合起来,可能对实际诊断工作的操作有较大帮助。文章首先对考虑高阶结构的整合性模型——HO-GDINA模型的形式进行讨论,探讨其参数估计EM算法的实现,并用模拟过程对模型的估计精度进行研究,结果验证了HO-GDINA的EM算法的正确性,并且说明该算法对该模型有较高估计精确度。然后用饱和模型在约束条件下的特殊形式HO-DINA模型对"分数减法"这一经典数据进行EM算法参数估计和具体分析,展示了HO-GDINA在实际情况中的具体使用,并与de la Torre之前用MCMC估计算法得到的研究结果做比较,基本一致,进一步表明HO-GDINA模型的参数估计EM算法在实际情境中的特殊形式下仍然适用。 相似文献