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   440篇
  免费   42篇
  国内免费   19篇
  2024年   1篇
  2023年   18篇
  2022年   8篇
  2021年   11篇
  2020年   16篇
  2019年   23篇
  2018年   26篇
  2017年   25篇
  2016年   35篇
  2015年   14篇
  2014年   21篇
  2013年   96篇
  2012年   20篇
  2011年   14篇
  2010年   11篇
  2009年   18篇
  2008年   20篇
  2007年   15篇
  2006年   16篇
  2005年   14篇
  2004年   10篇
  2003年   11篇
  2002年   11篇
  2001年   9篇
  2000年   2篇
  1999年   9篇
  1998年   3篇
  1997年   5篇
  1996年   7篇
  1995年   3篇
  1994年   2篇
  1993年   1篇
  1992年   1篇
  1991年   1篇
  1990年   2篇
  1986年   2篇
排序方式: 共有501条查询结果,搜索用时 15 毫秒
21.
The current study tested the theoretically relevant, yet previously unexamined, role of rumination on the relationship between politics perceptions and a variety of threat responses. Drawing from Response Styles Theory, it was argued that rumination amplifies the effects of politics by enhancing the influence of negative information on cognition, interfering with problem-solving, and undermining sources of social support. The work stress literature, along with extant politics research, served to identify four variables – job satisfaction, tension, depressed work mood, and employee effort/performance – that served as study outcomes. Across three unique samples, hypothesized relationships were strongly supported, indicating that politics perceptions negatively affected work outcomes of high ruminators, but demonstrate little influence on those who engage in less rumination. Moreover, the nonlinear influences of the focal constructs were considered and the results confirmed atypical relational forms. Contributions, implications for theory and practice, strengths and limitations, and future research directions are described.  相似文献   
22.
This research examines organizational attempts to recover internally from ethical failures witnessed by employees. Drawing on research on service failure recovery, relationship repair, and behavioral ethics, we investigate how witnessing unethical acts in an organization impacts employees and their relationship with their organization. In two studies—one in the lab and one in the field—we examine the extent to which it is possible for organizations to recover fully from these ethical lapses. Results reveal an ethical recovery paradox, in which exemplary organizational efforts to recover internally from ethical failure may enhance employee perceptions of the organization to a more positive level than if no ethical failure had occurred.  相似文献   
23.
目前肝衰竭发病率和病死率仍然较高,肝衰竭成为威胁患者生命的严重疾病。基于肝脏具有强大再生能力,人工肝支持系统作为一种“过渡”措施,为肝衰竭患者的肝功能恢复赢得时间。人工肝支持系统根据性质不同分为非生物型人工肝、生物型人工肝和混合型人工肝。目前非生物型人工肝已在肝病治疗领域被广泛应用,但生物型及混合型人工肝的临床应用还存在很多问题需要进一步研究和解决。因此本文对人工肝的作用、临床应用现状、存在问题及研究进展进行综述。  相似文献   
24.
Pedestrians aged over 65 are known to be a critical group in terms of road safety because they represent the age group with the highest number of fatalities or injured persons in road accidents. It is widely recognized that the latter is due to the physical vulnerability of this age group in case of injury. However, physical and cognitive decline come into play during the action of crossing a street. Various studies have attempted to connect the crossing behaviours of the elderly with variables such as age, gender, sensory acuity, level of attentiveness, physical decline and the design of intersections. In demonstrating the complexity of the relationship between people and their environments, the literature suggests that age, physical ability, and the spatial configuration of roads are major components of road safety. Moreover, people’s knowledge and mastery of their environments, as well as their ability to adapt to change affects how they move through space. Taking these factors into account, this study examines the perceptions of elderly pedestrians with regards to the quality and risks of road crossings in the context of Montréal, Québec, in Canada. The analyze are based on observations and questionnaires in order to bring to light a better understanding of the relationship between the crossing behaviours, characteristics and perceptions of the elderly. While previous studies have examined perception and observation separately, this study is unique in having looked at both angles simultaneously. Five profiles of elderly people in both urban and suburban environments were established. A sample of 181 elderly pedestrians (65–93 years of age, AVG = 74) were surveyed using a questionnaire. In addition to close-ended questions, respondents were asked to evaluate 17 environmental ambiance and risk behaviours according to various scales. Using principal component analysis (PCA) and hierarchical cluster analysis (HCA), the data was grouped into 6 categories that define and distinguish 7 profiles of elderly people. These profiles were explored according to the socioeconomic status and crossing behaviours of respondents. The probabilities of adopting different crossing behaviours were tested by employing logistic regression models. The results reveal greater variability in the perceptions of the elderly in terms of risk related to crossing behaviours and type of signalisation at intersections. Even among seniors, the perceptions of risk varied greatly, which may have had an impact on their behaviours. While some of the behaviours observed coincided with the perceptions of respondents, the results of this study suggest that they only play a marginal role.  相似文献   
25.
The purpose of this qualitative study is to understand staff members’ and administrators’ perceptions of group-based music therapy in an acute care mental health setting. The researcher conducted semi-structured interviews with six experienced administrators and unit staff who were familiar with music therapy. Using an inductive approach to thematic analysis, the author identified six themes: (a) music constitutes an important role in patients’ lives, (b) patient-centricity and competence of the music therapist, (c) music therapy uniquely engages the patient with music, the music therapist, and peers, (d) music therapy shifts patients’ focus from internal to external, (e) music therapy is a normalizing experience that facilitates interaction, and (f) music therapy provides optimal conditions for cognitive, affective, and behavioral change. Implications for clinical practice, suggestions for future research, and limitations of the study are provided.  相似文献   
26.
27.
This longitudinal study explored Theory of Mind (ToM), self‐perceptions, and teacher ratings of peer relations of 91 children (52 females, ages 6–8 years) drawn from two schools situated in a mainly Euro‐Canadian, middle socioeconomic status, semi‐rural central Canadian context. ToM, self‐perceptions, and teacher ratings of peer relations were assessed at Time 1 (T1, M = 6 y 2 m) and 2 years later at Time 2 (T2, M = 8 y 5 m). Findings showed that ToM scores and perceptions of global self‐worth and physical appearance significantly increased with time across both genders. Positive longitudinal associations were found between teacher ratings of sociable peer relations at T1 and children's T2 moral self‐perceptions. A positive longitudinal correlation was found between T1 ToM and T2 teacher ratings of anxious/fearful peer relations. Individual variation in ToM at age 6 predicted teacher ratings of anxious and fearful behaviours in 8 year olds. In contrast, teacher ratings at age 6 did not predict ToM ability in 8 year olds. Educational implications for social and emotional competencies are discussed. Copyright © 2014 John Wiley & Sons, Ltd.  相似文献   
28.
Adolescents with low motor competence have diminished perceptions of their physical self and tend to avoid physical activities. This study examined the outcomes of an exercise intervention that focused on improving aerobic fitness, strength, and self-perceptions in the physical domain in adolescents with poor motor coordination. The sample included 35 adolescents with low motor competence, comprising boys (n = 25) and girls (n = 10) ranging in age from 13 to 17 years, who attended two sessions per week in the 13 week exercise intervention study (AMP it up). Physical self-perceptions were measured before and after the intervention using the Physical Self Perception Profile and Perceived Importance Profile. Significant improvements in perceived Physical Condition, Attractive Body and Physical Strength sub domain scores were identified between pre and post-test. Adjusting for age, gender, BMI and attendance, regression analyses revealed that Attractive Body was the strongest predictor of Physical Self Worth at pre-test, joined by Physical Condition at post-test. This exercise intervention had a positive impact on adolescent physical self-perceptions, in particular males, with improvements in those sub domains specifically related to the exercise program. Changes in specific aspects of Physical Self Worth can be facilitated by exercise interventions, after a relatively short period of time, in adolescents with poor motor coordination.  相似文献   
29.
30.
阻塞性睡眠呼吸暂停低通气综合征(OSAHS)可诱发舒张性心力衰竭,引起多种临床症状,对患者预后及生活质量产生更多不良影响.其主要病理生理学变化为慢性间歇性或持续性乏氧和高碳酸血症.舒张性心力衰竭发生机制复杂,OSAHS可通过乏氧、神经系统功能改变、炎症反应及水钠潴留而诱发或加重舒张性心力衰竭.OSAHS与舒张性心力衰竭有密切关系,OSAHS可引起并加重心衰,而心衰患者可能会伴发OSAHS,其互为因果,互相促进.在临床治疗方面,我们应充分重视两者相关性及其危害性,制定合理治疗方案.  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