首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   531篇
  免费   19篇
  2023年   6篇
  2021年   4篇
  2020年   9篇
  2019年   7篇
  2018年   8篇
  2017年   12篇
  2016年   14篇
  2015年   10篇
  2014年   18篇
  2013年   72篇
  2012年   18篇
  2011年   23篇
  2010年   14篇
  2009年   16篇
  2008年   17篇
  2007年   15篇
  2006年   12篇
  2005年   13篇
  2004年   17篇
  2003年   7篇
  2002年   7篇
  2001年   19篇
  2000年   15篇
  1999年   7篇
  1998年   8篇
  1996年   9篇
  1995年   8篇
  1994年   7篇
  1993年   8篇
  1991年   7篇
  1990年   10篇
  1989年   9篇
  1988年   8篇
  1987年   7篇
  1986年   3篇
  1985年   12篇
  1984年   3篇
  1983年   9篇
  1982年   5篇
  1979年   5篇
  1978年   6篇
  1977年   6篇
  1976年   3篇
  1975年   6篇
  1974年   5篇
  1973年   11篇
  1971年   4篇
  1968年   3篇
  1967年   4篇
  1966年   5篇
排序方式: 共有550条查询结果,搜索用时 31 毫秒
181.
Social capital has been widely advocated as a way of understanding and building community participation in the interest of health improvement. However, the concept as proposed by Putnam, has been criticised for presenting an overly romanticised account of complex community relations. This paper presents analysis from a qualitative evaluation of a Healthy Living Centre (HLC) in the North of England, to examine the utility of the concept of social capital in this context. We found the concepts of ‘bridging’ and ‘bonding’ social capital were useful – though not without limitations – in helping to make sense of the complexities and contradictions in participants’ experiences of community group participation. 'Bridging' helped provide an understanding of how the decline in shared social spaces such as local shops impacts on social relationships. 'Bonding' highlighted how community group membership can have positive and negative implications for individuals and the wider community. It was found that skilled group leadership was key to strengthening bridging capital. Politically, in the UK, community participation is seen as having an essential role in social change, for example, its centrality to the coalition government's idea of the ‘Big Society’. A micro‐examination of this HLC using the lens of social capital provides a valuable critical insight into community participation. It shows that this kind of initiative can be successful in building social capital, given conditions such as an appropriate setting and effective leadership. However, they cannot substitute for other kinds of investment in the physical infrastructure of a community. Copyright © 2012 John Wiley & Sons, Ltd.  相似文献   
182.
Screening for the Muir-Torre variant of Lynch Syndrome (LS) using Mismatch Repair (MMR) gene immunohistochemistry (IHC) on sebaceous neoplasms (SNs) is technically feasible. To date, research into the clinical utility of MMR IHC for this indication is limited. We conducted a retrospective chart review of 90 patients with MMR IHC completed on at least one SN from January 2005 to May 2010. SNs included were adenomas, epitheliomas, carcinomas and basal and squamous cell carcinomas with sebaceous differentiation. Of the 90 patients, 13 (14 %) had genetically confirmed or fulfilled clinical criteria for a diagnosis of MTS and 51 patients (57 %) presented with an abnormal MMR IHC result (loss of one or more MMR proteins) on at least one SN. Abnormal IHC had a sensitivity of 85 %, specificity of 48 %, positive predictive value (PPV) of 22 % and negative predictive value (NPV) of 95 % when evaluating for MTS. When personal or family history of colorectal cancer (≥2 family members with a history of colorectal cancer) was taken into consideration, ignoring IHC results, sensitivity was 92 %, specificity was 99 %, PPV was 92 % and NPV was 99 %. MMR IHC on SNs when used to screen for MTS has poor diagnostic utility. We recommend that MMR IHC not be performed routinely on SNs when the patient does not have either personal or family history of colorectal cancer.  相似文献   
183.
The effects of two different faking instructions on Orientation Inventory scores were investigated in five groups of university students. The faking sets tended to produce increased scores on task orientation and decreased scores on self orientation. Changes in interaction orientation scores were inconsistent. Results were compared with those obtained earlier by Bass.  相似文献   
184.
Diagnostic automation aids are designed to improve human performance by increasing accuracy in event detection tasks. However, human–automation performance has frequently fallen short of expectations, particularly when the aid is highly reliable. In those cases, human–automation performance is often suboptimal, in that a human being augmented with a diagnostic aid does more poorly than the automation itself. Previously, there have been only ambiguous explanations for why this occurs, with few suggestions on how to effectively eliminate suboptimal performance. Fortunately, with the advent of a new general theory of task performance, termed Potential Performance Theory (PPT) by D. Trafimow and S. Rice (2008 Trafimow, D. and Rice, S. 2008. Potential Performance Theory: A general theory of task performance applied to morality. Psychological Review, 115(2): 447462. [Crossref], [PubMed], [Web of Science ®] [Google Scholar]; 2009), one can now determine exactly why suboptimal performance occurs. Results from the present study reveal that inconsistency is the culprit, rather than just poor strategy selection. Furthermore, PPT allows one to determine exactly how much of the performance decrement is because of inconsistency.  相似文献   
185.
186.
Two studies examined the threatened masculinity theory of male body dissatisfaction, which posits that threats to masculinity result in increased muscle dissatisfaction. In Study 1, a masculinity threat was followed by tasks examining confidence in physical ability and perceptions of current and ideal body shapes. Results showed that men who experienced a masculinity threat reported lower confidence in their physical ability and perceived themselves as less muscular than men who experienced an affirmation of their masculinity. In Study 2, men were asked to report their intention to increase muscularity and their appearance anxiety following a threat to masculinity. Results showed that men reported lower appearance anxiety and drive for muscularity when their masculinity was threatened than when their masculinity was affirmed. This apparent contradiction can be explained by noting that men may be motivated to deny appearance concerns following a threat to masculinity, as such concerns are equated with femininity.  相似文献   
187.
Cognitive factors, including beliefs, thoughts and assumptions have been found to play an important role in the development and maintenance of Social Anxiety Disorder. Trait cognitive self-report measures of social anxiety are widely used in research and clinical settings. It is imperative that only measures with good psychometric properties are used in order to interpret assessment scores accurately, and to make valid and reliable conclusions. The present systematic review evaluated the psychometric properties of trait cognitive self-report measures of social anxiety. Relevant studies were identified via a comprehensive and systematic search of academic databases. The reported psychometric properties of included studies were analysed by applying an appraisal of adequacy tool developed by Terwee et al. (2007). Of the 3091 studies identified, 50 studies met the inclusion criteria, and they included 21 measures. Included studies demonstrated that a number of measures had some adequate psychometric properties, however, no measure fulfilled criteria for all psychometric properties according to the appraisal tool. Findings highlight the need to further establish the psychometric properties of cognitive self-report measures of social anxiety in clinical and research settings through additional empirical studies.  相似文献   
188.
The misinformation effect is a term used in the cognitive psychological literature to describe both experimental and real-world instances in which misleading information is incorporated into an account of an historical event. In many real-world situations, it is not possible to identify a distinct source of misinformation, and it appears that the witness may have inferred a false memory by integrating information from a variety of sources. In a stimulus equivalence task, a small number of trained relations between some members of a class of arbitrary stimuli result in a large number of untrained, or emergent relations, between all members of the class. Misleading information was introduced into a simple memory task between a learning phase and a recognition test by means of a match-to-sample stimulus equivalence task that included both stimuli from the original learning task and novel stimuli. At the recognition test, participants given equivalence training were more likely to misidentify patterns than those who were not given such training. The misinformation effect was distinct from the effects of prior stimulus exposure, or partial stimulus control. In summary, stimulus equivalence processes may underlie some real-world manifestations of the misinformation effect.  相似文献   
189.
190.
This study examined whether age-related differences in cognition influence later memory for irrelevant, or distracting, information. In Experiments 1 and 2, older adults had greater implicit memory for irrelevant information than younger adults did. When explicit memory was assessed, however, the pattern of results reversed: Younger adults performed better than older adults on an explicit memory test for the previously irrelevant information, and older adults performed less well than they had on the implicit test. Experiment 3 investigated whether this differential pattern was attributable to an age-related decline in encoding resources, by reducing the encoding resources of younger adults with a secondary task; their performance perfectly simulated the pattern shown by the older adults in the first two experiments. Both older and younger adults may remember irrelevant information, but they remember it in different ways because of age-related changes in how information is processed at encoding and utilized at retrieval.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号