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981.
The Travelling Salesperson Problem (TSP) is a nondeterministic-polynomial hard (NP-hard) combinatorial problem that occurs in a wide range of industrial domains, including logistics, route finding, and computer wiring. Interestingly, despite the problem’s inherent computational difficulty, when presented in Euclidean space (ETSP), human participants can produce close-to-optimal solutions in near-linear time. However, when asked to compare and select the most optimum solution from a set of pre-defined competing solution options, participants can struggle. In this study we investigate this paradox by asking participants to compare four closed-loop Euclidean TSP solutions, in order to determine which solution they perceived to have the most optimal tour cost. We hypothesise that the extracted geometric properties have an effect on stimulus selection in a discrimination task (selection or no selection). Accordingly, we extracted four geometric properties from competing stimuli in order to create a perceptual activation function. Predictive analytics demonstrated that a classification model could identify the most optimal solution 97% of the time using the perceptual activation scores alone, yet human participants only correctly determined the most optimal solution 47% of the time. Mixed-effects models suggest that ‘likelihood of stimulus selection’ can be modelled as a function of the weighted coefficients of competing perceptual activation scores within each trial; however only a small amount of the variance is explained by these perceptual activation scores. Finally, a drift–diffusion model was used to create a theoretical framework of how likelihood of stimulus selection is influenced by competing perceptual activators. Our study highlights a novel way of extracting and analysing the importance of geometric properties that influence ETSP discrimination tasks, and links this analysis to human behaviour when discriminating between competing ETSP solutions. 相似文献
982.
983.
本研究尝试将认知诊断技术应用于中学生英语阅读问题解决(ERPS),以实现对中学生英语阅读问题解决的认知诊断,探讨中学生英语阅读问题解决的认知发展特点及其所存在的问题,为中学生的相关认知发展和知识获取服务。研究发现:(1)基于文本表征和反应决策两个加工过程中的七个认知属性是影响中学生ERPS的主要认知成分(R2=0.792);(2)中学生对于文本表征加工过程所涉及的属性的掌握情况优于反应决策加工过程所涉及的属性,学生所面临的主要困主要难于在反应决策加工阶段;(3)对不同属性掌握情况上存在显著的学校类型差异。(4)学生认知掌握状态的类型主要集中在15种(占73%),最多的三种为(1111011)、(1111110)和(1111101)(占34%)。总体来说,学生的属性掌握还是比较好的。相对地,对推理、信息匹配和正确选项的加工水平三个属性掌握较差,应引起重视。 相似文献
984.
通过问卷调查探索不同人群对留守儿童问题行为的认知差异。对五个年级的265名学生及其班级任课教师、监护人及社会一般人群进行问卷团体施测。结果显示:不同人群对留守儿童问题行为认知差异极其显著,其中教师与家长评价最低,一般人群评价次之,学生自评最好;不同群体均认为留守儿童男性问题行为严重于女性;对留守男性儿童,教师评价最低,对留守女性儿童,儿童自评最好;年级主效应极其显著,即随年级增高,问题行为评价越严重。 相似文献
985.
Research suggests that concepts are distributed across brain regions specialized for processing information from different sensorimotor modalities. Multimodal semantic models fall into one of two broad classes differentiated by the assumed hierarchy of convergence zones over which information is integrated. In shallow models, communication within- and between-modality is accomplished using either direct connectivity, or a central semantic hub. In deep models, modalities are connected via cascading integration sites with successively wider receptive fields. Four experiments provide the first direct behavioral tests of these models using speeded tasks involving feature inference and concept activation. Shallow models predict no within-modal versus cross-modal difference in either task, whereas deep models predict a within-modal advantage for feature inference, but a cross-modal advantage for concept activation. Experiments 1 and 2 used relatedness judgments to tap participants’ knowledge of relations for within- and cross-modal feature pairs. Experiments 3 and 4 used a dual-feature verification task. The pattern of decision latencies across Experiments 1–4 is consistent with a deep integration hierarchy. 相似文献
986.
C Bygott 《The Journal of analytical psychology》2012,57(4):455-461
Jung's work is fundamentally an experience, not an idea. From this perspective, I attempt to bridge conference, consulting room and living psyche by considering the influence of the 'Red Book' on clinical practice through the subtle and imaginal. Jung's journey as a man broadens out to have relevance for women. His story is individual but its archetypal foundation finds parallel expression in analytic practice today. 相似文献
987.
The "wisdom of the crowd" phenomenon refers to the finding that the aggregate of a set of proposed solutions from a group of individuals performs better than the majority of individual solutions. Most often, wisdom of the crowd effects have been investigated for problems that require single numerical estimates. We investigate whether the effect can also be observed for problems where the answer requires the coordination of multiple pieces of information. We focus on combinatorial problems such as the planar Euclidean traveling salesperson problem, minimum spanning tree problem, and a spanning tree memory task. We develop aggregation methods that combine common solution fragments into a global solution and demonstrate that these aggregate solutions outperform the majority of individual solutions. These case studies suggest that the wisdom of the crowd phenomenon might be broadly applicable to problem-solving and decision-making situations that go beyond the estimation of single numbers. 相似文献
988.
Thomas Mackrill Ask Elklit Helle Lindgaard 《Counselling and Psychotherapy Research》2012,12(4):276-286
Aims: This study surveys the childhood experiences of treatment‐seeking young adult offspring of problem drinkers (AOPDs) and their psychological state at treatment baseline. Methods: Clients (N=502) entering a Danish nationwide treatment facility for young AOPDS completed the survey. Clients completed the Adult Children of Alcoholics Trauma Inventory, The Family Tree Questionnaire, the CORE–OM 34, Major Depression Inventory, and the Work and Social Adjustment Scale at treatment start. Results: A total of 48% of the clients' mothers and 75% of the clients' fathers were problem drinkers. Both parents were problem drinkers in 25% of cases, and 27% had at least one problem drinking stepparent. Mothers had on average drunk during 11.4 years of the clients' childhood (0–18 years). Fathers had on average drunk during 13.4 years; 46% knew or believed that at least one of their parents suffered from a psychiatric illness; 44% reported physical violence; 63% reported psychological abuse; and 38% had not spoken to anyone about their family's problem. A further 20% had only spoken to a parent or sibling. Conclusions/implications: The study highlights the high degree of variation in AOPD clients' childhood experiences and in their levels of distress, corresponding with studies of non clinical samples. The study offers a bleak image of the extent of parental drinking and of other negative factors in these clients' childhood homes, coupled with the finding that clients have often not spoken to others about their parents' drinking. Mentioning parental drinking to a counsellor is thus a potentially highly significant counselling event, demanding counsellor sensitivity and attention. 相似文献
989.
Emily Qureshi-Hurst 《Zygon》2023,58(1):225-245
Theological engagement with quantum mechanics has been dominated by the Copenhagen interpretation, failing to reflect the fact that philosophers and physicists alike are increasingly moving away from the Copenhagen interpretation in favor of other approaches. One such approach, Hugh Everett's so-called Many Worlds Interpretation (MWI), is being taken increasingly seriously. As the MWI's credibility grows, it is imperative that metaphysicians, theologians, and philosophers of religion engage with its ideas and their implications. This article does just that, setting out some implications of Everettian Quantum Mechanics that are particularly relevant to theism. It argues that taking seriously the radical consequences of the Everett interpretation means facing at least three major worries for theism pertaining to personal identity, the problem of evil, and salvation. The article concludes by calling on theologians and philosophers of religion to address these worries, in order that these matters of religious significance remain both coherent and credible if the MWI turns out to be correct. 相似文献
990.
Peter Mitchell Elizabeth Sheppard Sarah Cassidy 《The British journal of developmental psychology》2021,39(1):1-18
This article proposes a link between autistic people being misperceived by the neurotypical majority and their being at risk of poor mental health and well-being. We present a transactional account of development in which the misperceptions (and consequent behaviour) of the neurotypical majority influences the perceptions and behaviour of autistic people such that they become increasingly separate and indeed isolated from mainstream society. This jeopardizes their mental health and prevents autistic people from developing to full potential. The situation is not only problematical for the development of autistic people but is also to the detriment of wider society, in so far as autistic people are effectively prevented from contributing fully. This account assumes that some (not necessarily all) autistic people yearn to be included, to be productive and to be useful. It thus directly opposes accounts that view autism as an extreme case of diminished social motivation. 相似文献