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   7027篇
  免费   296篇
  国内免费   2篇
  2021年   85篇
  2020年   128篇
  2019年   110篇
  2018年   174篇
  2017年   163篇
  2016年   206篇
  2015年   155篇
  2014年   190篇
  2013年   668篇
  2012年   333篇
  2011年   337篇
  2010年   217篇
  2009年   201篇
  2008年   294篇
  2007年   304篇
  2006年   252篇
  2005年   268篇
  2004年   256篇
  2003年   236篇
  2002年   244篇
  2001年   123篇
  2000年   84篇
  1999年   117篇
  1998年   103篇
  1997年   104篇
  1996年   86篇
  1995年   79篇
  1994年   74篇
  1993年   79篇
  1992年   89篇
  1991年   81篇
  1990年   68篇
  1989年   50篇
  1988年   48篇
  1987年   57篇
  1986年   60篇
  1985年   71篇
  1984年   66篇
  1983年   70篇
  1982年   63篇
  1981年   75篇
  1980年   68篇
  1979年   62篇
  1978年   68篇
  1977年   71篇
  1976年   64篇
  1975年   54篇
  1974年   60篇
  1968年   40篇
  1966年   41篇
排序方式: 共有7325条查询结果,搜索用时 375 毫秒
271.
272.
Most work on ethnicity tends to focus on daytime health rather than how aspects of ethnicity affect nighttime functioning. The current study examined how discrimination and ethnic identity relate to sleep architecture and fatigue in 37 African Americans and 56 Caucasian Americans. The authors conducted sleep monitoring with standard polysomnography. African Americans had less slow-wave sleep and reported more physical fatigue than did Caucasian Americans (ps < .05). The authors conducted path analyses to examine relationships between ethnic identity, perceived discrimination, sleep, and fatigue. Perceived discrimination mediated ethnic differences in Stage 4 sleep and physical fatigue. Individuals who reported experiencing more discrimination had less Stage 4 sleep and reported experiencing greater physical fatigue (ps < .05). Although ethnic identity did not mediate ethnic differences in sleep latency, there was a significant relationship between ethnic identity and sleep latency, indicating that individuals who felt more connected to their ethnic group had more difficulty falling asleep while in the hospital (p < .05). These observations suggest that the effects of stress related to one's ethnic group membership carry over into sleep.  相似文献   
273.
274.
275.
276.
Specific phobia (SP) typically onsets in childhood and frequently predicts other mental health disorders later in life. Fortunately, childhood SP can be effectively treated with cognitive behavior therapy (CBT), including the exposure-based one-session treatment (OST) approach. Despite empirical support for CBT and OST, clinicians, for various reasons, frequently fail to implement exposure-based therapy in routine clinical practice, including perceived difficulties in implementing exposure. Virtual reality (VR) exposure therapy may overcome some of these challenges and provides an alternative modality of therapy. This preliminary study examined the efficacy of VR OST for 8 children with a SP of dogs (aged 8–12 years) (M = age 10.25; SD = 2.11) using a multiple-baseline controlled case series. Following a stable baseline period of either 2, 3, or 4 weeks, it was expected that specific phobia severity would significantly decline after VR OST and remain improved over the 3-week maintenance phase. Assessments were conducted posttreatment and at 1-month follow up (study end-point). It was found that phobia symptoms remained relatively stable across the baselines, with significant reductions from pretreatment to posttreatment and to follow-up on clinician severity ratings (pre- to post- g = 1.12; pre- to follow-up g = 2.40), target symptom ratings (g = 1.14; 1.29), and behavioral avoidance (g = -1.27; -1.96). The treatment was also associated with clinically significant outcomes, whereby at one-month follow up, 75% of children were considered “recovered” and 88% completed the BAT (interacted with their feared stimuli). This study provides support for the effectiveness of VR OST.  相似文献   
277.
278.
Across three studies, two experiments, and two different countries (Israel and the United States), we examine how perceptions among members of the public regarding the motives of terrorists' influence support for counterterrorist policy. We find that while perceptions that terrorists are motivated by “hatred” (rather than by a “lack of opportunity”—economic or otherwise) strongly correlate with support for harsher counter-tactics, and that these perceptions can be changed by providing information from “experts” on the “true” motivations of the outgroup, these changes in perception do not appear to cause change in support for counterterrorism policy. Our findings suggest that among the public, counterterror policy is not as instrumentally driven as much current research assumes.  相似文献   
279.
Research on Child and Adolescent Psychopathology - The current longitudinal study examines changes in overall mental health symptomatology from before to after the COVID-19 outbreak in youth from...  相似文献   
280.
Research on Child and Adolescent Psychopathology - There are few studies on the predictors of long-term course of major depressive disorder (MDD) with an onset in childhood and adolescence. Studies...  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