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   700篇
  免费   57篇
  国内免费   1篇
  758篇
  2023年   18篇
  2021年   11篇
  2020年   27篇
  2019年   32篇
  2018年   35篇
  2017年   40篇
  2016年   42篇
  2015年   32篇
  2014年   37篇
  2013年   89篇
  2012年   40篇
  2011年   42篇
  2010年   21篇
  2009年   22篇
  2008年   31篇
  2007年   29篇
  2006年   29篇
  2005年   17篇
  2004年   20篇
  2003年   17篇
  2002年   16篇
  2001年   9篇
  2000年   6篇
  1999年   6篇
  1998年   7篇
  1997年   5篇
  1996年   4篇
  1995年   4篇
  1994年   5篇
  1993年   6篇
  1992年   4篇
  1991年   3篇
  1990年   3篇
  1989年   6篇
  1988年   4篇
  1987年   5篇
  1985年   4篇
  1984年   5篇
  1983年   3篇
  1982年   6篇
  1981年   3篇
  1979年   2篇
  1978年   1篇
  1977年   2篇
  1976年   1篇
  1975年   1篇
  1974年   1篇
  1973年   1篇
  1963年   1篇
  1951年   1篇
排序方式: 共有758条查询结果,搜索用时 0 毫秒
711.
Inspiration is a concept of longstanding interest in diverse areas of academia, but it has only recently become the subject of rigorous scientific investigation. In this article, we review the emerging scientific literature on inspiration, with a focus on both theory and findings. First, we present a general definition of inspiration based on an integrative literature review, and we outline approaches to differentiating the general inspiration construct into specific types. Second, we review the literature on construct validity. Third, we present substantive theory and findings, with an emphasis on the role of inspiration in promoting attainment of elusive goods, such as creativity, productivity, and happiness. Finally, we respond to frequent questions and misconceptions about inspiration, and we offer recommendations about how to promote inspiration in others or oneself.  相似文献   
712.
This paper focuses on the divergence behaviour of the successive geometric mean (SGM) method used to generate pairwise comparison matrices while solving a multiple stage, multiple objective (MSMO) optimization problem. The SGM method can be used in the matrix generation phase of our three‐phase methodology to obtain pairwise comparison matrix at each stage of an MSMO optimization problem, which can be subsequently used to obtain the weight vector at the corresponding stage. The weight vectors across the stages can be used to convert an MSMO problem into a multiple stage, single objective (MSSO) problem, which can be solved using dynamic programming‐based approaches. To obtain a practical set of non‐dominated solutions (also referred to as Pareto optimal solutions) to the MSMO optimization problem, it is important to use a solution approach that has the potential to allow for a better exploration of the Pareto optimal solution space. To accomplish a more exhaustive exploration of the Pareto optimal solution space, the weight vectors that are used to scalarize the MSMO optimization problem into its corresponding MSSO optimization problem should vary across the stages. Distinct weight vectors across the stages are tied directly with distinct pairwise comparison matrices across the stages. A pairwise comparison matrix generation method is said to diverge if it can generate distinct pairwise comparison matrices across the stages of an MSMO optimization problem. In this paper, we demonstrate the SGM method's divergence behaviour when the three‐phase methodology is used in conjunction with an augmented high‐dimensional, continuous‐state stochastic dynamic programming method to solve a large‐scale MSMO optimization problem. Copyright © 2013 John Wiley & Sons, Ltd.  相似文献   
713.
We examined co-parenting alliance based on information provided by 57 incarcerated parents and their corresponding child caregivers who took part in the Messages Project, in which incarcerated parents video recorded greetings to children that were then mailed home. We assessed perceptions of co-parenting alliance, measured by the Parenting Alliance Measure, and levels of child contact from both parents and caregivers. We also observed expressions of positive and negative attitudes that prisoners expressed regarding the home caregiver during the video recording. Incarcerated parents reported more frequent phone contact with children and more frequent letter-writing to children than did home caregivers. Incarcerated parents likewise reported higher levels of co-parenting alliance with the home caregiver in comparison to the assessment of co-parenting alliance reported by the home caregiver. Among children observing the video recorded message, a more positive co-parenting alliance between their parent and home caregiver was associated with increased positive mood. More frequent displays of negative attitudes toward caregivers during the recordings were associated with more negative mood indicators among children. Results suggest the importance of a strong co-parenting alliance between incarcerated parents and home caregivers, but imply that incarcerated parents may have a more optimistic view of their connection home than is the case for collaborating caregivers.  相似文献   
714.
In an eye movement experiment, we assessed the performance of young (18–30 years) and older (65 + years) adult readers when sentences contained conventional interword spaces, when interword spaces were removed, or when interword spaces were replaced by nonlinguistic symbols. The replacement symbol was either a closed square (■) that provided a salient (low-spatial-frequency) cue to word boundaries, or an open square (□) that provided a less salient cue and included features (vertical and horizontal lines) similar to those found in letters. Removing or replacing interword spaces slowed reading times and impaired normal eye movement behavior for both age groups. However, this disruption was greater for the older readers, particularly when the replacement symbol did not provide a salient cue as to word boundaries. Specific influences of this manipulation on word identification during reading were assessed by examining eye movements for a high- or low-frequency target word in each sentence. Standard word frequency effects were obtained for both age groups when text was spaced normally, and although the word frequency effect was larger when spaces were removed or filled, the increases were similar across age groups. Therefore, whereas older adults’ normal eye movements were substantially disrupted when text lacked conventional interword spaces, the process of lexical access associated with the word frequency effect was no more difficult for older than for young adults. The indication, therefore, is that although older adults struggle from the loss of conventional cues to word boundaries, this is not due to additional difficulties in word recognition.  相似文献   
715.
This study compares the behavioral and attitudinal career commitment of college students, then examines the influences of parental attachment and separation on career commitment. Undergraduates (N = 195) from 3 academic programs were surveyed: a combined degree program that accepts students simultaneously into bachelor's and medical programs, premedical curriculum alone, and general university enrollment. Behavioral career commitment (enrollment in one of the aforementioned programs) correlated with attitudinal commitment for the combined degree and general enrollment groups. Greater attachment to father and less separation from parents were associated with lower career commitment for men. Attachment and separation did not predict career commitment for women.  相似文献   
716.
The long-term negative psychological consequences associated with interpersonal victimization are significant; however a history of interpersonal victimization alone does not necessarily lead to greater long-term psychological distress. The current study examined the relationship between cognitive flexibility, experiential avoidance, and psychological distress among 92 women who reported a history of interpersonal victimization. The findings indicate that both cognitive flexibility and experiential avoidance are significantly related to posttraumatic stress symptomology and depression in this sample. Preliminary evidence is also presented suggesting experiential avoidance maybe a potential mediator between cognitive flexibility and psychological distress in this sample. The current findings suggest that treatments targeting greater emotional acceptance and mindfulness might be useful approaches in working with survivors of interpersonal victimization.  相似文献   
717.
The popular media has reported an increase in the use of social networking sites (SNSs) such as Facebook by hiring managers and human resource professionals attempting to find more detailed information about job applicants. Within the peer-reviewed literature, cursory empirical evidence exists indicating that others’ judgments of characteristics or attributes of an individual based on information obtained from SNSs may be accurate. Although this predictor method provides a potentially promising source of applicant information on predictor constructs of interest, it is also fraught with potential limitations and legal challenges. The level of publicly available data obtainable by employers is highly unstandardized across applicants, as some applicants will choose not to use SNSs at all while those choosing to use SNSs customize the degree to which information they share is made public to those outside of their network. It is also unclear how decision makers are currently utilizing the available information. Potential discrimination may result through employer’s access to publicly available pictures, videos, biographical information, or other shared information that often allows easy identification of applicant membership to a protected class. For the practice to progress in a positive direction, evidence for the validity and job-relevance of information obtained from SNSs needs to be established. Organizational researchers and practitioners also need to promote awareness and attempt to create safeguards against the potential negative outcomes related to misuse of SNSs by employers.  相似文献   
718.
  相似文献   
719.
720.
Given the effectiveness of putative escape extinction as treatment for feeding problems, it is surprising that little is known about the effects of escape as reinforcement for appropriate eating during treatment. In the current investigation, we examined the effectiveness of escape as reinforcement for mouth clean (a product measure of swallowing), escape as reinforcement for mouth clean plus escape extinction (EE), and EE alone as treatment for the food refusal of 5 children. Results were similar to those of previous studies, in that reinforcement alone did not result in increases in mouth clean or decreases in inappropriate behavior (e.g., Piazza, Patel, Gulotta, Sevin, & Layer, 2003). Increases in mouth clean and decreases in inappropriate behavior occurred when the therapist implemented EE independent of the presence or absence of reinforcement. Results are discussed in terms of the role of negative reinforcement in the etiology and treatment of feeding problems.  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