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131.
di Norcia V 《Science and engineering ethics》2002,8(1):83-98
Solving complex socio-technical problems, this paper claims, involves diverse knowledges (cognitive diversity), competing
interests (social diversity), and pragmatism. To explain this view, this paper first explores two different cases: Canadian
pulp and paper mill pollution and siting nuclear reactors in seismically sensitive areas of California. Solving such socio-technically
complex problems involves cognitive diversity as well as social diversity and pragmatism. Cognitive diversity requires one
to not only recognize relevant knowledges but also to assess their validity. Finally, it is suggested, integrating the resultant
set of diverse relevant and valid knowledges determines the parameters of the solution space for the problem.
The author is a Professor of Philosophy at The University of Sudbury, Ontario, Canada. 相似文献
132.
本研究旨在探讨知觉组块中部件类型和空间交错关系信息的学习是否促进问题解决。研究采用学习-测试范式,71名有效被试(女性25名,平均年龄=20.51±2.35岁)先学习解答组块破解问题然后进行测试。研究分别在学习和测试阶段基于组块破解任务操纵了部件类型(汉字水平vs.笔画水平)和空间交错关系(交错vs.非交错)。学习阶段,被试分别在四组中完成组块破解练习;在测试阶段完成所有四组问题。研究发现,对交错关系信息的学习与利用相对于部件类型信息促进了问题解决:在涉及交错信息的测试任务上,涉及交错信息比非交错信息的学习条件解答率更高,反应时更短;反之则不是。然而部件类型则没有发现类似的促进效应。与此同时,交错关系信息的习得需要对任务的重复操作学习:涉及交错关系信息的组块破解学习成绩在不同任务间并不随时间推移而提高,但会随重复学习次数而提高。 相似文献
133.
Research has demonstrated that false memories are capable of priming and facilitating insight-based problem-solving tasks by increasing solution rates and decreasing solution times. The present research extended this finding by investigating whether false memories could be used to bias ambiguous insight-based problem-solving tasks in a similar manner. Compound remote associate task (CRAT) problems with two possible correct answers, a dominant and a non-dominant solution, were created and normed (Experiment 1). In Experiment 2, participants were asked to solve these CRAT problems after they were given Deese/Roediger-McDermott lists whose critical lures were also the non-dominant solution to half of the corresponding CRATs. As predicted, when false memories served as primes, solution rates were higher and solution times were faster for non-dominant than dominant CRAT solutions. This biasing effect was only found when participants falsely recalled the critical lure, and was not found when participants did not falsely recall the critical lure, or when they were not primed. Results are discussed with regard to spreading activation models of solution competition in problem-solving tasks and current theories of false memory priming effects. 相似文献
134.
Carola Salvi Emanuela Bricolo John Kounios Edward Bowden Mark Beeman 《Thinking & reasoning》2016,22(4):443-460
How accurate are insights compared to analytical solutions? In four experiments, we investigated how participants' solving strategies influenced their solution accuracies across different types of problems, including one that was linguistic, one that was visual and two that were mixed visual-linguistic. In each experiment, participants' self-judged insight solutions were, on average, more accurate than their analytic ones. We hypothesised that insight solutions have superior accuracy because they emerge into consciousness in an all-or-nothing fashion when the unconscious solving process is complete, whereas analytic solutions can be guesses based on conscious, prematurely terminated, processing. This hypothesis is supported by the finding that participants' analytic solutions included relatively more incorrect responses (i.e., errors of commission) than timeouts (i.e., errors of omission) compared to their insight responses. 相似文献
135.
Piyawan Surinrut Titinun Auamnoy Somkiat Sangwatanaroj 《Mental health, religion & culture》2016,19(7):648-659
This research aims to examine how traditional insight meditation in Thailand is trained and to investigate the impact of this practice on happiness and perceived stress. The fuller meaning of mindfulness and how to interweave mindfulness in daily practice is discussed. The intervention was a seven-day traditional insight meditation retreat in Thailand. The final sample included 656 participants, n?=?330 and 326 in experimental group and control group, respectively. Validated versions of happiness and perceived stress scales for Thai people were used. The magnitude of happiness and stress changes following the intervention, determined by effect sizes were used as a benchmark for interpreting the health status change between baseline and post-test. The effect sizes for happiness and perceived stress were .379 and ?.428 in the meditation group, which is much greater, compared to the effect sizes of ?.045 and ?.003, respectively, in the control group. 相似文献
136.
F.S. Julal 《British Journal of Guidance & Counselling》2016,44(4):371-381
University support services can be a beneficial resource for students coping with personal stressors. This study investigated the predictors of service use by undergraduate students during their first year at university. Participants completed self-report measures of problem-solving effectiveness, psychological distress and perceived social support (availability and satisfaction) at the start of the academic year, frequency of exposure to stressors half-way through the first semester and support service use at the end of the first and second semesters. Perceived availability of social support and frequency of exposure to stressors predicted service use. Additional analyses examined change in psychological distress across the first semester. Implications of these findings are discussed. 相似文献
137.
Despite the fact that planning has been found to be a significant predictor of reading (particularly of reading comprehension), much less is known about its contribution to mathematics. The purpose of this study was to examine the role of two levels of planning (operation planning and action planning) in three mathematical skills (calculation fluency, math problem-solving, and math reasoning). Eighty Grade 2 children from Shanghai, China were assessed on measures of nonverbal cognitive ability (nonverbal matrices), working memory (digit span backwards and N-back), operation planning (matching numbers, planned codes, and planned search), action planning (crack the code), and mathematics (calculation fluency, math problem-solving, and math reasoning). The results of regression analyses showed that both levels of planning accounted for unique variance in mathematics over and above the effects of nonverbal cognitive ability and working memory. The effects of action planning were particularly strong in math problem-solving. These findings suggest that measures of planning could be used along with measures of working memory to detect children at-risk for mathematics disabilities and that intervention programmes targeting planning could be developed to boost children's mathematics performance. 相似文献
138.
The objective of this study was to suggest a new formulation of the core research diagnostic consensus criterion "loss of insight" in frontotemporal dementia (FTD). Eight patients with FTD (diagnoses made by interviews, medical and neuropsychological examination, CT scan, and regional cerebral glucose metabolism measured by positron emission tomography (PET) participated in the study). The results indicated that insight was present in three out of eight patients, and that insight appears to be a heterogeneous concept. Two types of insight emerged: Emotional insight associated with frontotemporal functions, and cognitive insight, related to posterior cognitive functions. These results suggest that loss of insight should not serve as a core criterion on FTD, but serves well as a supportive criterion of the disease. 相似文献
139.
Dorothy M. Fragaszy Erica Kennedy Aeneas Murnane Charles Menzel Gene Brewer Julie Johnson-Pynn William Hopkins 《Animal cognition》2009,12(3):491-504
We examined whether navigation is impacted by experience in two species of nonhuman primates. Five chimpanzees (Pan troglodytes) and seven capuchin monkeys (Cebus apella) navigated a cursor, using a joystick, through two-dimensional mazes presented on a computer monitor. Subjects completed
192 mazes, each one time. Each maze contained one to five choices, and in up to three of these choices, the correct path required
moving the cursor away from the Euclidean direction toward the goal. Some subjects completed these mazes in a random order
(Random group); others in a fixed order by ascending number of choices and ascending number of turns away from goal (Ordered
group). Chimpanzees in both groups performed equivalently, demonstrated fewer errors and a higher rate of self-correcting
errors with increasing experience at solving the mazes, and made significantly fewer errors than capuchin monkeys. Capuchins
were more sensitive to the mode of presentation than chimpanzees; monkeys in the Ordered group made fewer errors than monkeys
in the Random group. However, capuchins’ performance across testing changed little, and they remained particularly susceptible
to making errors when the correct path required moving away from the goal. Thus, these two species responded differently to
the same spatial challenges and same learning contexts. The findings indicate that chimpanzees have a strong advantage in
this task compared to capuchins, no matter how the task is presented. We suggest that differences between the species in the
dynamic organization of attention and motor processes contribute to their differences in performance on this task, and predict
similar differences in other tasks requiring, as this one does, sustained attention to a dynamic visual display and self-produced
movements variably towards and away from a goal. 相似文献
140.
顿悟的大脑机制 总被引:42,自引:5,他引:42
自从柯勒1917年提出顿悟的概念以来,这个问题一直吸引着心理学家的关注。但有关顿悟过程的精确的大脑机制却始终未被触及。从心理过程上看,顿悟是一个瞬间实现的、问题解决视角的“新旧交替”过程;它包含两个方面,一是新的有效的问题解决思路如何实现,二是旧的无效的思路如何被抛弃(即打破思维定势)。我们以谜语作为材料,利用功能性磁共振成像(fMRI)技术精确记录了人类的大脑在实现顿悟的一瞬间的活动状况。结果显示顿悟过程激活了包括额叶、颞叶、扣带前回、以及海马在内的广泛脑区。根据各方面的综合证据,本文认为:顿悟过程中,新异而有效的联系的形成依赖于海马,问题表征方式的有效转换依赖于一个“非语言的” 视觉空间信息加工网络,而思维定势的打破与转移则依赖于扣带前回与左腹侧额叶。 相似文献