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41.
Pigeons categorized binomial samples produced by two complementary random processes. Samples were 1, 2, 4, or 8 successively presented outcomes (vertical or horizontal lines) of, in effect, tossing one of two equally likely coins. One coin (A) was biased in favor of vertical, and the other coin (B) was similarly biased in favor of horizontal. Choosing red or green stimuli presented after each sample was reinforced with food if coin A or coin B had been tossed, respectively. In that sense, choosing red or green was logically analogous to inferring that the statistical evidence reflected tossing of coin A or coin B, respectively. The statistical diagnosticity of a sample, the relative likelihood of its having been produced by a particular coin, equaled, except for sampling fluctuation, the relative frequency of reinforcement of a particular color given that sample, and was experimentally varied by the bias on the coins and by sample size. All the variables that affect optimal, formal inference about binomial samples also affected intuitive inference. But inferences were very suboptimal: “undermatching” was obtained in part due to control of categorization by the sequential structure of binomial samples. These results reveal limitations of optimality theories for animal decision making in the face of uncertainty when observations in samples are presented successively. On the other hand, they are generally compatible with molecular analyses of instrumental learning which assign an important role to the local temporal organization of events preceding reinforcement. Most generally, they show that maladaptive control over intuitive statistical inference by a variable upon which optimal performance does not depend is neither a uniquely human phenomenon nor dependent upon linguistic strategies. 相似文献
42.
AIMS AND OBJECTIVES: The study evaluates the Community Outreach Library Service at Wirral Hospital National Health Service Trust (WHNT). It considers the information seeking behaviour and information needs of primary care staff, and service effectiveness in meeting those needs. METHODS: A literature review established the current context and areas of best practice. The investigative case study used postal questionnaires to 250 primary care staff and an interview with the Community Outreach Librarian. FINDINGS: Themes emerged from the literature regarding information seeking behaviour, information needs, and meeting user needs through effective service delivery. Outreach services have value in terms of improving information skills and providing services at point of need. Time is a major constraint for both users and service providers. CONCLUSIONS: Investment is needed from appropriate funding sources to support the provision and marketing of outreach library services. Librarians benefit from sharing best practice. The continued evaluation of outreach library services is recommended. 相似文献
43.
Johnson JS 《The Journal of perinatal education》2007,16(2):44-46
Maternal well-being is the key to fetal well-being. A fetus is highly vulnerable and sensitive to pain and stress, and exposure has the potential for negative developmental consequences. Childbirth educators can help raise parental awareness about the importance of the maternal environment for best outcomes in fetal development. 相似文献
44.
拉尔夫·约翰逊 《中山大学学报论丛》2011,4(1)
非形式逻辑出现于上个世纪70年代,它首先是一种寻求更好的大学逻辑教学方式的努力.进而,非形式逻辑学者们逐渐开始触及和探讨越来越多的理论议题,即发展不依赖于形式逻辑的关于论证以及好论证的理解方式.在1998年世界哲学大会上,布莱尔和我阐释了非形式逻辑为哲学所带来的理论后果,其中一点我们称之为"演绎主义的终结".那时我们并未给出演绎主义的定义,而只是把它等同于麦金泰尔的那个精炼的说法:"任何推理,不是演绎的,就是有缺陷的."但现在看来,我们在当时就作出"演绎主义的终结"这一论断,显然是有点为时过早了.因为演绎主义似乎至今都还很有生命力,甚至在那些倾向于非形式逻辑的学者那里它也能得到支持:恩尼斯长期以来都辩护演绎主义是一种论证重构策略,格罗尔克更是致力于辩护它是一种论证评价理论.在本文中我将论证,非形式逻辑最好被理解为一种不诉诸于演绎技巧和演绎规范的逻辑研究.当我们意识到演绎和演绎主义已经如何深深地扎根于我们的哲学发展史中,并且牢牢地控制了我们关于逻辑研究的理解,我们就能明白非形式逻辑这一理论努力是多么的困难和重要.我将首先澄清"演绎主义"的意思,然后再分别考察那些赞成和反对演绎主义的论证,最后,我将表明非形式逻辑是从演绎主义中挽救逻辑的理论尝试. 相似文献
45.
Austin H. Johnson Taryn S. Goldberg Rachel L. Hinant Lauren K. Couch 《Psychology in the schools》2019,56(3):360-377
Functional Behavior Assessments (FBAs) utilize direct and indirect methods to collect data on student behavior to generate a functional hypothesis and drive intervention development. School psychologists are trained to conduct FBAs and use them regularly in schools. However, no evidence exists describing the specific practices used by school psychologists when they conduct FBAs. In this study, 199 respondents completed a web‐based survey developed using expert review and cognitive pretesting. Most respondents reported their gender as female (87%), were between 30 and 39 years old (50%), and practiced at the Specialist level (57%). Respondents reported receiving training in FBA across multiple sources and utilizing multi‐method data collection methods when conducting FBAs. A large amount of variability was observed in the specific instruments used by school psychologists, with a substantial proportion using forms that were not standardized or pre‐constructed. Implications for current practitioners, trainers, and researchers are described. 相似文献
46.
47.
Cultural Studies of Science Education - Using Indigenous Astronomy and the arts, I respond to Wayfinding with a conceptual image that represents my cultural understanding of the idea of navigation. 相似文献
48.
Brian C. Johnson 《Performance Improvement》2015,54(6):13-19
In an increasingly global and interconnected world, it is necessary for corporations and educational systems to develop mechanisms for community members to enhance multicultural competencies related to diversity including race, ethnicity, gender and gender identity, sexual orientation, age, religion, and the like. Some people internalize anger, fear, contempt, and guilt about these issues. As a result, people express their feelings in unhealthy and unproductive ways in school and in the workplace. The solution often is to provide diversity training or sensitivity training. This case study analysis utilizes Kaufman's systemic thinking model to examine what went wrong when one university attempted to implement a yearlong intensive diversity training program that brought national media attention and a potential lawsuit against the university, ultimately resulting in a dramatic shift in the university's out‐of‐classroom experiential learning policies. 相似文献
49.
Sandra J. Johnson 《Performance Improvement Quarterly》1994,7(1):31-39
As more attention is given to managing and valuing diversity in the United States workforce, the linking of diversity issues and practices to organizational performance needs must be addressed. In addressing the performance question, this article investigates both the difference between a quick fix and systematic action, and the distinction between a program and a process. A systematic and comprehensive process linked to organizational goals and performance is recommended. Gaps in typical programs and responses are pointed out, and some possible areas for measuring results attributable to valuing and managing diversity are suggested. 相似文献
50.