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Children's selective trust decisions: rational competence and limiting performance factors 下载免费PDF全文
Jonas Hermes Tanya Behne Anna Elisa Bich Christa Thielert Hannes Rakoczy 《Developmental science》2018,21(2)
Recent research has amply documented that even preschoolers learn selectively from others, preferring, for example, reliable over unreliable and competent over incompetent models. It remains unclear, however, what the cognitive foundations of such selective learning are, in particular, whether it builds on rational inferences or on less sophisticated processes. The current study, therefore, was designed to test directly the possibility that children are in principle capable of selective learning based on rational inference, yet revert to simpler strategies such as global impression formation under certain circumstances. Preschoolers (N = 75) were shown pairs of models that either differed in their degree of competence within one domain (strong vs. weak or knowledgeable vs. ignorant) or were both highly competent, but in different domains (e.g., strong vs. knowledgeable model). In the test trials, children chose between the models for strength‐ or knowledge‐related tasks. The results suggest that, in fact, children are capable of rational inference‐based selective trust: when both models were highly competent, children preferred the model with the competence most predictive and relevant for a given task. However, when choosing between two models that differed in competence on one dimension, children reverted to halo‐style wide generalizations and preferred the competent models for both relevant and irrelevant tasks. These findings suggest that the rational strategies for selective learning, that children master in principle, can get masked by various performance factors. 相似文献
94.
In this article, the authors discuss problems and challenges of supervising postgraduate community psychology students at the University of the Witwatersrand, South Africa. As part of their community work, students developed community projects in schools in Alexandra Township, aimed at dealing with social ills such as HIV/AIDS, gangs, violence, substance abuse and teenage pregnancy. Students found community work to be extremely exhausting, stressful and demanding. Therefore, community psychology supervision became an important space in helping students to reflect on the experiences, anxieties and frustrations. This article discusses key themes that have emerged in community supervision, including gender, race and class issues. In conclusion, recommendations are provided on how to improve community psychology supervision based our experiences. Supervisors need to be proactive in helping students to reflect on their experiences and actively engage with some of the theoretical and practical issues that emerge in community work. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
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Eylin Palamaro Munsell James R. Cook Ryan P. Kilmer Tanya Vishnevsky Melissa Strompolis 《Journal of child and family studies》2011,20(6):771-781
Although a growing body of literature has examined wraparound implementation and fidelity, child and family team (CFT) members’
levels of participation and the consistency of their attendance have not been systematically examined. This study explored
the relationship between CFT member attendance consistency and the fidelity of wraparound team level implementation processes
in a System of Care (SOC). Specifically, utilizing Participant Rating Form (PRF) data collected from caregivers, facilitators,
youth, supportive persons, and service providers, as well as meeting attendance records, the relationship between team attendance
consistency and fidelity of wraparound implementation was explored. Records for 88 teams, with a total of 2,643 members’ ratings
of CFT meetings between 2004 and 2009, were examined. Analyses indicate that the structural team factors of attendance consistency
and mean team members present relate to CFT members’ ratings of team functioning and the degree to which meeting processes
are consistent with the tenets of wraparound. Team attendance variables related to the views of meeting functioning by facilitators,
service providers, and caregivers, the individuals most often responsible for implementation of the plan of care, but not
ratings by youth or supportive persons. These findings have implications for policy and the successful implementation of wraparound,
underscoring the relevance of attending to and tracking the composition of the CFT and more actively encouraging consistent
meeting attendance. Results also highlight the need to measure structural variables that may have salience in fidelity and
implementation assessments and, more globally, the effectiveness of SOCs. 相似文献
96.
Williams TJ Torres-Reveron A Chapleau JD Milner TA 《Neurobiology of learning and memory》2011,95(2):206-220
Clinical and preclinical studies indicate that women and men differ in relapse vulnerability to drug-seeking behavior during abstinence periods. As relapse is frequently triggered by exposure of the recovered addict to objects previously associated with drug use and the formation of these associations requires memory systems engaged by the hippocampal formation (HF), studies exploring ovarian hormone modulation of hippocampal function are warranted. Previous studies revealed that ovarian steroids alter endogenous opioid peptide levels and trafficking of mu opioid receptors in the HF, suggesting cooperative interaction between opioids and estrogens in modulating hippocampal excitability. However, whether ovarian steroids affect the levels or trafficking of delta opioid receptors (DORs) in the HF is unknown. Here, hippocampal sections of adult male and normal cycling female Sprague-Dawley rats were processed for quantitative immunoperoxidase light microscopy and dual label fluorescence or immunoelectron microscopy using antisera directed against the DOR and neuropeptide Y (NPY). Consistent with previous studies in males, DOR-immunoreactivity (-ir) localized to select interneurons and principal cells in the female HF. In comparison to males, females, regardless of estrous cycle phase, show reduced DOR-ir in the granule cell layer of the dentate gyrus and proestrus (high estrogen) females, in particular, display reduced DOR-ir in the CA1 pyramidal cell layer. Ultrastructural analysis of DOR-labeled profiles in CA1 revealed that while females generally show fewer DORs in the distal apical dendrites of pyramidal cells, proestrus females, in particular, exhibit DOR internalization and trafficking towards the soma. Dual label studies revealed that DORs are found in NPY-labeled interneurons in the hilus, CA3, and CA1. While DOR colocalization frequency in NPY-labeled neuron somata was similar between animals in the hilus, proestrus females had fewer NPY-labeled neurons that co-labeled with DOR in stratum oriens of CA1 and CA3 when compared to males. Ultrastructural analysis of NPY-labeled axon terminals within stratum radiatum of CA1 revealed that NPY-labeled axon terminals contain DORs that are frequently found at or near the plasma membrane. As no differences were noted by sex or estrous cycle phase, DOR activation on NPY-labeled axon terminals would inhibit GABA release probability equally in males and females. Taken together, these findings suggest that ovarian steroids can impact hippocampal function through direct effects on DOR levels and trafficking in principal cells and broad indirect effects through reductions in DOR-ir in NPY-labeled interneurons, particularly in CA1. 相似文献
97.
Sherrilene Classen Austin Lee Nichols Robert McPeek Judith F. Breiner 《Transportation Research Part F: Traffic Psychology and Behaviour》2011,14(5):381-389
Objective
To examine the role of psychological type in older driver performance.Methods
A convenience sample of 50 older adults was prospectively enrolled in the study. Each completed a demographic profile, the Myers–Briggs Type Indicator® (MBTI®) Step III™ instrument, a self-reported Safe Driving Behaviors Measure (SDBM), clinical tests and a standardized on-road driving evaluation yielding a fail/pass determination and Sum of Maneuvers Score (SMS).Results
Participants (M age = 72.96, SD = 4.78) who had Extraversion and Judging preferences were better drivers than those with Introversion or Perceiving preferences. Those with Sensing vs. Intuition preferences rated themselves better on the SDBM (S = 317.62, N = 305.33; t(48) = 2.19, p = .03). Those with Introvert preferences failed the on-road course with sensitivity = .714, specificity = .767, area under the curve = .76, p = .03.Conclusion
Our findings provide the basis for further research investigating personality and driving. Specifically, if the main findings are consistent in a representative sample of older drivers, personality testing may be added to a driving assessment battery. Future research must build on these findings to more clearly identify the risk associated with psychological type and examine how personality profiles can be used to keep older drivers on the road longer and more safely. 相似文献98.
To provide the first systematic test of whether young children will spontaneously perceive and imitate hierarchical structure in complex actions, a task was devised in which a set of 16 elements can be modelled through either of two different, hierarchically organized strategies. Three-year-old children showed a strong and significant tendency to copy whichever of the two hierarchical approaches they witnessed an adult perform. Responses to an element absent in demonstrations, but present at test, showed that children did not merely copy the chain of events they had witnessed, but acquired hierarchically structured rules to which the new element was assimilated. Consistent with this finding, children did not copy specific sequences of actions at lower hierarchical levels. 相似文献
99.
Engineering educators have long discussed the need to teach professional responsibility and the social context of engineering
without adding to overcrowded curricula. One difficulty we face is the lack of appropriate teaching materials that can fit
into existing courses. The PRiME (Professional Responsibility Modules for Engineering) Project (http://www.engr.utexas.edu/ethics/primeModules.cfm) described in this paper was initiated at the University
of Texas, Austin to provide web-based modules that could be integrated into any undergraduate engineering class. Using HPL
(How People Learn) theory, PRiME developed and piloted four modules during the academic year 2004–2005. This article introduces
the modules and the pilot, outlines the assessment process, analyzes the results, and describes how the modules are being
revised in light of the initial assessment. In its first year of development and testing, PRiME made significant progress
towards meeting its objectives. The PRiME Project can strengthen engineering education by providing faculty with an effective
system for engaging students in learning about professional responsibility.
An earlier version of this paper was presented at the 2005 conference, Ethics and Social Responsibility in Engineering and Technology, Linking Workplace Ethics and Education, co-hosted by Gonzaga University and Loyola Marymount University, Los Angeles, CA, USA, 9–10 June 2005. 相似文献
100.