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41.
Megan R Heinicke James E Carr Michael P Mozzoni Henry Roane 《Journal of applied behavior analysis》2009,42(4):861-865
The present study investigated the effects of contingency‐specifying rules and a token economy to decrease the latency to comply with academic instructions by a 16‐year‐old girl with acquired brain injury. Results showed that treatment was successful in reducing academic response latencies. These results replicate previous research in which differential reinforcement was used to decrease slow responding to academic tasks. 相似文献
42.
Changes in feeding and foraging patterns as an antipredator defensive strategy: a laboratory simulation using aversive stimulation in a closed economy. 总被引:3,自引:0,他引:3 下载免费PDF全文
M S Fanselow L S Lester F J Helmstetter 《Journal of the experimental analysis of behavior》1988,50(3):361-374
The effects of the risk of electric shock on the meal patterns of rats living in an operant chamber were investigated. Rats could obtain food by working on a response lever that provided reinforcement according to chained fixed-ratio continuous reinforcement schedules that allowed the animals control over meal size. Using a two-compartment operant chamber with a safe nesting area and manipulanda area with a grid floor, shock could be correlated with responding on the schedule. Shocks (less than or equal to 1.25 per hour) were scheduled to occur randomly throughout the day, independent of the rat's behavior. Shock caused a reorganization of meal patterns such that the animals took less frequent but larger meals. This pattern reduced the time the animals spent at risk without compromising caloric balance. Similar changes in feeding pattern were obtained in both hooded and albino rats. Exposure to shock in a separate chamber did not produce these behavioral modifications. The magnitude of shock-induced alterations of meal patterns was greater with chained fixed-ratio 90 continuous reinforcement than with chained fixed-ratio 10 continuous reinforcement. Additionally, the rats seemed to be able to reduce food intake but increase caloric efficiency, such that the reduced food intake did not have deleterious effects on maintenance of body weight. These behavioral modifications reduced the number of shocks received from that which would have been expected if meal pattern changes had not occurred. We suggest that this technique may provide a useful laboratory simulation of the impact that the risk of predation has on foraging behavior. 相似文献
43.
Janet Kistner David Hammer David Wolfe Esther Rothblum Ronald S. Drabman 《Journal of applied behavior analysis》1982,15(1):85-96
There is a common fear that the use of a token economy in one classroom might harm pupil performance in situations where the contingencies are not in effect. This study investigated potential contrast effects on measures of children's productivity and attitudes toward teachers. Six children with reading deficits participated. A multiple baseline design was used to assess the effects of a token economy which was systematically introduced across three teachers. Dependent measures included two rating forms of teacher popularity and work rate on a programmed reading series. The results indicated that the token system was effective in increasing the children's productivity and that no consistent behavioral contrast effects occurred. Furthermore, children's attitudes toward teachers did not appear to be influenced by the token economy until only one teacher was not delivering tokens. At this point, her popularity declined until she also delivered tokens. The token economy manipulation appeared to have a specific, desirable effect on the targeted behavior (i.e., work rate) and had minimal negative or positive “side effects” on teacher popularity. 相似文献
44.
Thirsty rats licked two metal tubes: a water tube paired with another water tube, with saccharin, or with a dry tube. For each pair, a multipoint baseline function was measured by offering free access to one tube throughout each session, and free or restricted access to the other. The three resulting baseline functions showed the members of each pair to be mutual substitutes: When access to either tube was restricted, the rats made more licks at the other. A linear function identified the two water tubes as perfect substitutes. Convex functions identified the members of the saccharin-water and the dry-water pair as imperfect substitutes. Each pair was also tested under several reciprocal fixed-ratio schedules that required instrumental licking of either tube for contingent access to the other. The resulting schedule functions showed the members of each pair to be perfect substitutes: Water licks decreased linearly as licks at the other water tube, the saccharin, or the dry tube increased, in agreement with a conservation model of instrumental performance. Baseline and schedule functions, indistinguishable in the water-water pair, indicated a schedule facilitation of dry-tube licking in the dry-water pair and of water-tube licking in the saccharin-water pair. 相似文献
45.
麻醉医生与人文关怀 总被引:3,自引:0,他引:3
徐铭军 《医学与哲学(人文社会医学版)》2005,26(6):46-46,48
在围手术期倡导人文关怀是必须的,麻醉医生从技术至上走向人文关怀将成为现代医学模式在实践中转化的必要条件,具体表现在术前、术中、术后三方面。麻醉医生只有富于人文修养,方能营造良好的医患关系。 相似文献
46.
Spaces of the Religious Economy: Negotiating the Regulation of Religious Space in Singapore 下载免费PDF全文
Orlando Woods 《Journal for the scientific study of religion》2018,57(3):531-546
Over the past three decades, the theory of religious economy has been established, applied, debated, developed, and rejected. It has proven to be as divisive as any "general theory" of religion should be, and yet its core tenets continue to engage and unite scholars around the world. In response to broader shifts within the sociology of religion, this article reframes religious economy by advancing a spatial approach to its theorization. A spatial approach can help develop new perspectives on the regulation of religion, and the resistant agency of religious groups. With a focus on the "secular monopoly" of Singapore, it demonstrates how the restricted supply of land for religious purposes increases competition between religious groups. To overcome restrictions, religious groups pursue strategies of spatial and organizational boundary crossing. This has led to the closer regulation of space, and highlights the recursive interplay between the regulation and praxis of religion in Singapore. 相似文献
47.
Erica S. Jowett Hirst Claudia L. Dozier Steven W. Payne 《Journal of applied behavior analysis》2016,49(2):329-345
Researchers have shown that both differential reinforcement and response cost within token economies are similarly effective for changing the behavior of individuals in a group context (e.g., Donaldson, DeLeon, Fisher, & Kahng, 2014; Iwata & Bailey, 1974). In addition, these researchers have empirically evaluated preference for these procedures. However, few previous studies have evaluated the individual effects of these procedures both in group contexts and in the absence of peers. Therefore, we replicated and extended previous research by determining the individual effects and preferences of differential reinforcement and response cost under both group and individualized conditions. Results demonstrated that the procedures were equally effective for increasing on‐task behavior during group and individual instruction for most children, and preference varied across participants. In addition, results were consistent across participants who experienced the procedures in group and individualized settings. 相似文献
48.
放弃治疗:ICU决策的经济影响力 总被引:2,自引:3,他引:2
对ICU放弃治疗的决策,经济因素不应是主要的。人们完全能够在尊重科学和理性、尊重生命末期价值和意义以及追求社会资源公正分配和有效利用基础上对脑死、植物状态或临终病人的放弃治疗达成共识。目前,重要的是需要制定相关政策和法律,保障ICU放弃治疗的合理实施。 相似文献
49.
Although this paper attends to some extent to the question whether the global economy promotes or impedes either justice or sustainability, its main focus is on the relationship between justice and sustainability. Whilst sustainability itself as a normative goal is about sustaining inter alia justice, justice itself requires intergenerationally the sustaining of the conditions of a good life for all. At the heart of this is a conception of justice as realising the basic rights of all–in contrast to a more demanding distributive principle or a less demanding principle of not violating the liberty rights or other basic rights of others. Although Pogge’s analysis that the global economy causes harm by failing to realise basic rights is seen as a useful challenge to common libertarian assumptions, the acceptance of other positive correlative duties, following Shue, is advocated. Insofar as the global economy fails to realise basic justice, the question is ‘how far can it realistically be changed?’ and this is a function partly of the moral attitudes of individuals at large. 相似文献
50.
“医乃仁术”是儒家伦理与传统医学相互融合的产物。其中包含着“珍生贵生”的医学本体内涵、“义礼智信”的医学价值内涵和“修己自律”的医学德性内涵的统一, 也反映了技术层面的医学价值观和职业层面的人生价值观的统一。在当代医学发展中突出的技术与人性的关系问题、医德教育中突显的知性与德性的关系问题以及医学人文修养中涉及的下学与上达的关系问题等方面, 为现代人反思医学发展、追问医学目的、建构医德模式等问题提供某些启示。 相似文献