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排序方式: 共有219条查询结果,搜索用时 15 毫秒
61.
Auburn Jimenez James Joseph Balamuta Steven Andrew Culpepper 《The British journal of mathematical and statistical psychology》2023,76(3):513-538
Cognitive diagnostic models provide a framework for classifying individuals into latent proficiency classes, also known as attribute profiles. Recent research has examined the implementation of a Pólya-gamma data augmentation strategy binary response model using logistic item response functions within a Bayesian Gibbs sampling procedure. In this paper, we propose a sequential exploratory diagnostic model for ordinal response data using a logit-link parameterization at the category level and extend the Pólya-gamma data augmentation strategy to ordinal response processes. A Gibbs sampling procedure is presented for efficient Markov chain Monte Carlo (MCMC) estimation methods. We provide results from a Monte Carlo study for model performance and present an application of the model. 相似文献
62.
ObjectivesThe rating of perceived exertion (RPE) and the heart rate (HR) have been widely studied and monitored during exercise, but their hysteresis behaviour is still unexplored. Our aim was to study the hysteresis behaviour of RPE and HR in triathletes and non-athletes.DesignCross-sectional study.MethodEighteen triathletes at different competitive levels (elite n = 9, non-elite n = 9) and ten students were tested while cycling and running, using a pyramidal protocol (incremental/decremental workloads). The hysteresis area, considered positive when values of the dependent variables (RPE and HR) at the same workload were higher in the decremental phase than in the incremental phase, and vice versa for the negative areas, was calculated in all tests. The Wilcoxon matched-pairs test and Kruskal Wallis ANOVA were applied to detect intra- and inter-group differences, respectively, of RPE and HR values during the incremental and decremental phases, as well as between cycling and running.ResultsThe following results were observed: a) an incoherent relationship of RPE with HR and workload, b) positive hysteresis areas of RPE and HR in all groups during cycling and running, c) a partial negative hysteresis area of RPE, but not of HR, in the triathlete groups, d) larger hysteresis areas of RPE and HR in students than in triathletes, and e) larger hysteresis areas in cycling than in running.Conclusionsthe study of the hysteresis behaviour of RPE and HR reveals the history dependency of both variables, highlights their incoherent or non-unique relationship during a pyramidal exercise, and questions their widely assumed linear association to workload intensity. The hysteresis area is proposed as a new non-invasive marker of exercise stress and tolerance that should be further investigated. 相似文献
63.
如何善用权力惠及于民既是一个重要的科学问题, 也是一个关键的管理实践问题。以往学者主要关注组织情境中权力对亲社会行为的消极作用, 对积极作用的发生机制尚不清楚。梳理组织中权力正向影响亲社会行为的相关文献, 发现责任感知在权力促进亲社会行为中起中介作用; 掌权者在行使权力时会考虑自身需求、与他人的关系, 以及与组织的关系, 从而增强责任感知, 且不同路径会受个体层面、人际层面和组织层面的潜在因素影响。权力通过责任感知促进亲社会行为的综合模型, 对组织以及掌权者如何善用权力具有重要的启示意义。 相似文献
64.
Trust is an essential element in productive and effective intraorganizational communication and interaction. The present study examined several consequences of trust in terms of influence strategies used and the frequency with which people interact with each other. The study also examined the extent to which the technology of work affects management's dependency on their employees. It was found that distrust of subordinates by managers (n = 275) was associated with the use of strong tactics of influence, little dependency on employees, and the use of personal-related characteristics to explain distrust. It was also found that distrust of managers by subordinates (n = 267) was associated with the use of strong methods of influence, less interaction, less attempts to influence, and the use of personal-related characteristics to explain lack of trust. These findings have clear implications for understanding the relation among worker trust, dependency, and social influence. The data suggest that both employees and employers could benefit from considering the importance of a trusting relationship in the workplace. 相似文献
65.
Preschool teachers rely on several strategies for motivating children to participate in learning activities. In the current study, we evaluated the effectiveness of and preference for three teaching contexts in which embedded, sequential, or no programmed reinforcement was arranged. The embedded context included highly preferred teaching materials, the sequential context included highly preferred edible items for correct responding, and a control context included neither. In addition, an exclusively play-oriented activity was included as a fourth option to determine if one of the direct teaching contexts could compete with a relatively unstructured and exclusively child-led activity. All participants preferred the sequential context (use of high-quality consequences) over the embedded context (use of high-quality teaching materials), 2 of the 4 participants preferred some motivational system to none at all, and the play area was selected over all variants of the instructional contexts during the majority of trials. We found either no or small differences in correct responding in the different instructional contexts; however, rates of undesirable behavior were highest in the least preferred interaction area for 3 of the 4 participants. Implications for the design of effective and preferred teaching environments for young children are discussed. 相似文献
66.
In the current study, a direct assessment of the effect of language lexical‐syntactic structure and magnitude semantic access on numerical processing was made by contrasting the performance of Arabic/Hebrew bilinguals in a digital (Hindi‐digits/Arabic‐digits) and verbal numerical comparison task (Arabic, an inverted language: Units‐Decades, Hebrew, a non‐inverted language: Decades‐Units). Our data revealed in the digital presentation format (Experiment 1) a regular distance effect in Arabic language‐Hindi digits and Hebrew language‐Arabic digits, characterized by an inverse relation between reaction times and numerical distance with no difference in the mean reaction times of participants in Arabic‐L1 and Hebrew‐L2. This indicates that both lexical digits of two‐digit numbers in L1 and L2 are similarly processed and semantically accessed. However in the verbal presentation format (Experiment 2) a similar pattern of distance effect was found, but the mean reaction times in Arabic were lower than in Hebrew in each numerical distance. This indicates that the processing of two‐digit number words in L1 and L2 is semantically accessed and determined by the syntactic structure of each language. 相似文献
67.
A comparison of a modified sequential oral sensory approach to an applied behavior‐analytic approach in the treatment of food selectivity in children with autism spectrum disorder
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Kathryn M. Peterson Cathleen C. Piazza Valerie M. Volkert 《Journal of applied behavior analysis》2016,49(3):485-511
Treatments of pediatric feeding disorders based on applied behavior analysis (ABA) have the most empirical support in the research literature (Volkert & Piazza, 2012); however, professionals often recommend, and caregivers often use, treatments that have limited empirical support. In the current investigation, we compared a modified sequential oral sensory approach (M‐SOS; Benson, Parke, Gannon, & Muñoz, 2013) to an ABA approach for the treatment of the food selectivity of 6 children with autism. We randomly assigned 3 children to ABA and 3 children to M‐SOS and compared the effects of treatment in a multiple baseline design across novel, healthy target foods. We used a multielement design to assess treatment generalization. Consumption of target foods increased for children who received ABA, but not for children who received M‐SOS. We subsequently implemented ABA with the children for whom M‐SOS was not effective and observed a potential treatment generalization effect during ABA when M‐SOS preceded ABA. 相似文献
68.
Acting for the Greater Good: Identification with Group Determines Choices in Sequential Contribution Dilemmas
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In mixed‐motive interactions, defection is the rational and common response to the defection of others. In some cases, however, group members not only cooperate in the face of defection but also compensate for the shortfalls caused by others' defection. In one field and two lab studies, we examined when group members were willing to compensate for versus match defection using sequential dilemmas. We found that the level of identification with the broader group increased willingness to compensate for intragroup defection, even when it was personally costly. Compensating for a defecting partner's actions, however, is not an act of unconditional cooperation: It is accompanied by a lack of trust in the errant group member and a desire to be perceived as more ethical. Cooperation by others, on the other hand, is matched independent of whether the cooperator was an in‐group or out‐group member. We find similar patterns of compensation and matching when the personal cost involved contributing money or effort. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
69.
Heather D. Flowe Harriet M. J. Smith Nilda Karoğlu Tochukwu O. Onwuegbusi Lovedeep Rai 《Memory (Hove, England)》2016,24(3):306-314
Configural processing supports accurate face recognition, yet it has never been examined within the context of criminal identification lineups. We tested, using the inversion paradigm, the role of configural processing in lineups. Recent research has found that face discrimination accuracy in lineups is better in a simultaneous compared to a sequential lineup procedure. Therefore, we compared configural processing in simultaneous and sequential lineups to examine whether there are differences. We had participants view a crime video, and then they attempted to identify the perpetrator from a simultaneous or sequential lineup. The test faces were presented either upright or inverted, as previous research has shown that inverting test faces disrupts configural processing. The size of the inversion effect for faces was the same across lineup procedures, indicating that configural processing underlies face recognition in both procedures. Discrimination accuracy was comparable across lineup procedures in both the upright and inversion condition. Theoretical implications of the results are discussed. 相似文献
70.
When intergroup apology is not enough: Seeking help and reactions to receiving help among members of low status groups
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Relations between groups are characterized by competition and suspicion. As a consequence, members of low status groups may question the meaning of apologies offered by a high status group, especially under unstable status relations. In two experiments, the present research investigated the role of the intergroup versus interpersonal apology and the potential moderating effect of the stability of intergroup relations on low status group members' (a) help seeking (Study 1) and (b) responses to receiving help (Study 2) from a high status group. Consistent with our hypotheses, when status relations were unstable rather than stable, following a formal intergroup relative to an interpersonal apology by an Israeli official, Israeli‐Arab students sought less dependency‐oriented and more autonomy‐oriented help from an Israeli‐Jewish study coordinator (Study 1) and Jewish‐Ethiopian newcomers reacted more negatively when they read about an Ethiopian‐Jewish student receiving unsolicited dependency‐oriented help from an Israeli‐Jewish college student (Study 2). Theoretical and practical implications are discussed. 相似文献