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排序方式: 共有199条查询结果,搜索用时 15 毫秒
161.
162.
Phil Reed 《Journal of the experimental analysis of behavior》2023,119(2):286-299
Three experiments examined the effect of signaling reinforcement on rats' lever pressing on contingencies that reinforced variable responding to extend the exploration of signaled reinforcement to a schedule that has previously not been examined in this respect. In Experiment 1, rats responding on a lag-8 variability schedule with signaled reinforcement displayed greater levels of variability (U values) than rats on the same schedule lacking a reinforcement signal. In Experiment 2, rats responding on a differential reinforcement of least frequent responses schedule also displayed greater operant variability with a signal for reinforcement compared with rats without a reinforcement signal. In Experiment 3, a reinforcement signal decreased the variability of a response sequence when there was no variability requirement. These results offer empirical corroboration that operant variability responds to manipulations in the same manner as do other forms of operant response and that a reinforcement signal facilitates the emission of the required operant. 相似文献
163.
164.
Phil Parvin 《Res Publica》2018,24(1):31-52
Changing patterns of political participation observed by political scientists over the past half-century undermine traditional democratic theory and practice. The vast majority of democratic theory, and deliberative democratic theory in particular, either implicitly or explicitly assumes the need for widespread citizen participation. It requires that all citizens possess the opportunity to participate and also that they take up this opportunity. But empirical evidence gathered over the past half-century strongly suggests that many citizens do not have a meaningful opportunity to participate in the ways that many democratic theorists require, and do not participate in anything like the numbers that they believe is necessary. This paper outlines some of the profound changes that have been experienced by liberal democratic states in the 20th and early 21st Centuries, changes which are still ongoing, and which have resulted in declines in citizens participation and trust, the marginalisation of citizens from democratic life, and the entrenchment of social and economic inequalities which have damaged democracy. The paper challenges the conventional wisdom in rejecting the idea that the future of democracy lies in encouraging more widespread participation. The paper takes seriously the failure of the strategies adopted by many states to increase participation, especially among the poor, and suggests that instead of requiring more of citizens, we should in fact be requiring less of them. Instead of seeking to encourage more citizen participation, we should acknowledge that citizens will probably not participate in the volume, or in the ways, many democratic theorists would like, and that therefore we need an alternative approach: a regime which can continue to produce democratic outcomes, and which satisfies the requirements of political equality, in the absence of widespread participation by citizens. 相似文献
165.
Phil D. Liu Kevin K.H. Chung Catherine McBride-Chang Xiuhong Tong 《Journal of experimental child psychology》2010,107(4):466-478
Among 30 Hong Kong Chinese fourth graders, sensitivities to character and word constructions were examined in judgment tasks at each level. There were three conditions across both tasks: the real condition, consisting of either actual two-character compound Chinese words or real Chinese compound characters; the reversed condition, with either the order of the two morphemes in the word or the order of the semantic and phonetic radicals in the character reversed; and the random condition, with either two morphemes randomly combined to create arbitrary nonwords or a semantic radical and a phonetic radical randomly combined using correct orthographic rules to create noncharacters. On the word level, children performed worst in the reversed condition and best with real words, whereas on the character level, children performed worst in the random condition and best in the reversed condition. Findings imply a holistic tendency toward word-level processing and an analytic approach to character-level processing in these Chinese children. 相似文献
166.
Previous research indicates that increased religiosity/spirituality is related to better health, but the specific nature of
these relationships is unclear. The purpose of this study was to determine the relationships between physical health and spiritual
belief, religious practices, and congregational support using the Brief Multidimensional Measure of Religiousness/Spirituality
and the Medical Outcomes Scale Shortform-36. A total of 168 participants were surveyed with the following medical disorders:
Cancer, Spinal Cord Injury, Traumatic Brain Injury, and Stroke, plus a healthy sample from a primary care setting. The results
show that individuals with chronic medical conditions do not automatically turn to religious and spiritual resources following
onset of their disorder. Physical health is positively related to frequency of attendance at religious services, which may
be related to better health leading to increased ability to attend services. In addition, spiritual belief in a loving, higher
power, and a positive worldview are associated with better health, consistent with psychoneuroimmunological models of health.
Practical implications for health care providers are discussed. 相似文献
167.
Previous studies examining perceptions of violence within a public house context have shown that the presence of door control (bouncers), interior tidiness, and the actions of the victim play an important role in shaping judgments of the aggressor and the victim (Lawrence & Leather, 1999; Leather & Lawrence, 1995). However, the extent to which individuals belonging to the same group as the victim make similar patterns of judgments to those recruited from a different group has not been investigated. This paper reports the findings of a study in which the perceptions of 80 licensees (same group as victim) and 80 undergraduate students (different group from victim) are compared after exposure to an account of a violent incident. Also manipulated were environmental variables (presence of door control and interior tidiness) and the actions of the victim. Results support the JWH, whereby the victim is blamed more by those from the same group than by those from a different group. Results are discussed in light of defensive attributions and the JWH and highlight the importance of taking environmental information into account in studies of social cognition. 相似文献
168.
Quigley Dianne Levine Alana Sonnenfeld David A. Brown Phil Tian Qing Wei Xiaofan 《Science and engineering ethics》2019,25(2):477-517
Science and Engineering Ethics - Researchers of the Northeast Ethics Education Partnership (NEEP) at Brown University sought to improve an understanding of the ethical challenges of field... 相似文献
169.
Phil Ryan 《The Journal of religious ethics》2014,42(3):540-562
Jeffrey Stout claims that John Rawls's idea of public reason (IPR) has contributed to a Christian backlash against liberalism. This essay argues that those whom Stout calls “antiliberal traditionalists” have misunderstood Rawls in important ways, and goes on to consider Stout's own critiques of the IPR. While Rawls's idea is often interpreted as a blanket prohibition on religious reasoning outside church and home, the essay will show that the very viability of the IPR depends upon a rich culture of deliberation in which all forms of reasoning can be put forth for consideration. This clarification addresses the perception that the IPR imposes an “asymmetrical burden” upon believers. In fact, the essay suggests that there are good reasons why believers, qua believers, might endorse the IPR. 相似文献
170.
Phil Reed 《The Quarterly Journal of Experimental Psychology Section B: Comparative and Physiological Psychology》1995,48(1):32-45
The influence of non-reinforced exposure to compound stimuli on subsequent appetitive classical conditioning was examined in five experiments with rats as the subjects. Non-reinforced exposure to a visual stimulus retarded subsequent acquisition of conditioned responding relative to a non-pre-exposed condition (latent inhibition). If the target stimulus was pre-exposed in compound with a second (non-target) stimulus, then latent inhibition was abolished. Exposure to the non-target stimulus prior to compound exposure had varying effects on subsequent conditioning to the target: 40 exposures to the non-target stimulus resulted in latent inhibition to the target stimulus that was comparable in magnitude to that observed when the target stimulus was exposed in isolation; 120 exposures to the non-target stimulus enhanced latent inhibition to the target stimulus. 相似文献