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   301篇
  免费   24篇
  325篇
  2023年   4篇
  2022年   2篇
  2021年   4篇
  2020年   13篇
  2019年   10篇
  2018年   11篇
  2017年   16篇
  2016年   16篇
  2015年   8篇
  2014年   10篇
  2013年   35篇
  2012年   13篇
  2011年   22篇
  2010年   18篇
  2009年   8篇
  2008年   16篇
  2007年   8篇
  2006年   15篇
  2005年   10篇
  2004年   10篇
  2003年   13篇
  2002年   10篇
  2001年   4篇
  2000年   7篇
  1999年   3篇
  1998年   6篇
  1997年   9篇
  1996年   6篇
  1995年   5篇
  1994年   2篇
  1991年   3篇
  1990年   1篇
  1989年   1篇
  1983年   2篇
  1978年   1篇
  1974年   1篇
  1972年   1篇
  1931年   1篇
排序方式: 共有325条查询结果,搜索用时 15 毫秒
281.
National Guard personnel remain largely unstudied within the sleep research community, despite their unique and important role. In response, the purpose of this study was to investigate the extent of sleep deprivation in National Guard medical personnel from two separate Air Force Bases (AFBs) responding to simulated disaster-training exercises. National Guard medical personnel (N = 77) were fitted with wrist activity monitors (actigraphy) to objectively measure their sleep for 4 days of their civilian time (baseline), followed by a 4-day transition period from civilian to military duty, and a 3–5-day disaster-training exercise. Differences in sleep quantity, quality, and “cognitive effectiveness” were analyzed using generalized linear mixed models. Participants’ sleep quantity was significantly reduced from civilian to disaster-training periods, and their cognitive effectiveness also dropped significantly. National Guard medical personnel were sleep-deprived during a simulated disaster-training exercise, which, although a valid proxy for real-world disasters, is likely to be a conservative approximation of the stress and fatigue National Guard personnel experience during crisis response. As such, the need for targeted fatigue-related interventions to safeguard our service members during these critical times is clear.  相似文献   
282.
Baumeister, Stillwell and Heatherton (1994) argue that guilt serves primarily interpersonal functions and take issue with more traditional intrapsychic accounts of guilty feelings, in which causality, responsibility, and blame are emphasized. We examined the validity of these claims by asking 198 college students to imagine that they destroyed the valued property of either their best friend or mother, under each of three conditions of causal responsibility (accidental, foreseeable, unjustifiably intended). They then rated the reactions they anticipated from the victim (anger, disappointment; change in impression of the perpetrator), their perceived blameworthiness, aspects of causality, and how guilty they would feel immediately after perpetrating the harm as well as an entire day later. Imagined guilt was curvilinearly related to responsibility at time 1, but linearly at time 2. Results suggest that people only weigh interpersonal concerns more heavily after time has elapsed, but that both factors integrally affect feelings of guilt. © 1997 John Wiley & Sons, Ltd.  相似文献   
283.
284.
Previous research on the one‐among‐others effect has shown that inducing empathic concern towards a victim presented among other individuals in need enhances: (1) awareness of these others and (2) the willingness to help them individually. In this work, we test that these outcomes are linked by an additional process: the generalization of empathic concern felt for the victim towards the others in need. Study 1 revealed that inducing empathic concern for a victim presented as one‐among‐others led to see the others as separate and different individuals, not as a unitary group. Study 2 showed that the one‐among‐others presentation (vs. only‐one‐victim) increased empathic concern towards those presented along with the main victim. Study 3 showed that the one‐among‐others presentation (vs. a single‐victim or a statistical presentation) increased the empathic concern felt for other individuals in need. Therefore, the one‐among‐others presentation does not weaken empathic concern but, instead, it leads to its generalization from one to others.  相似文献   
285.
Background/Objective: This study examines whether there are differences in the maintenance of ambivalent sexist beliefs on the basis of gender and sexual experience in adolescents. The study also investigates whether the sexist beliefs themselves are linked to sexual risk behaviors. Method: A representative sample of 2,703 Spanish adolescents was carried out in public and private secondary schools, with an age range of 14 to 20 years old (M = 15.89; SD = 1.29). Results: Males maintain more hostile, benevolent and ambivalent sexist beliefs compared to females. Sexual experience (both coital and non-coital) is linked to a greater degree of hostile and benevolent sexist beliefs, but only within the male group. In males, greater benevolent sexism is linked to vaginal sex initiation at an earlier age, while greater hostile sexism is linked to a lower proportion of condom use. In females, greater hostile sexism is linked to a greater number of sex partners. Conclusions: It is necessary to include specific actions on sexist beliefs in programs for the prevention of sexually transmitted infections and HIV.  相似文献   
286.
The present study evaluated the effects of stress and the ethnicity of the examiner on neuropsychological performance in a sample of Asian-Indian males in the United States. Participants were 60 Asian-Indian college students randomly assigned to one of four conditions in a 2 x 2 factorial design. The first factor was level of stress induction and the second was ethnicity of examiners. Results suggested that both stress inducing instructions and examiner ethnicity impacted highly demanding tasks, while moderately difficult tasks were less sensitive to ethnicity of the examiner. Results also indicate that examiners should recognize the potential impact of ethnicity and heightened level of stress when administering and interpreting neuropsychological measures.  相似文献   
287.
Across three studies, we examined the impact of exposure to idealized female images, blatantly vs. subtly, on females’ self-evaluations, as well as attitude towards brands endorsed by the models with these idealized body images, in marketing communications. We theorized and showed that blatant exposure can elicit defensive coping, leading to a more positive self-evaluation and a lower brand attitude toward a brand endorsed by a model with an idealized body image. When exposure is subtle, however, idealized body images lead to lowered self-evaluations and increased evaluations of endorsed brands.  相似文献   
288.
The effects of interrupting an event-based prospective memory (PM) task and its associated ongoing task were compared for two groups of children: 8- to 9-year-olds (n?=?35) and 12- to 13-year-olds (n?=?28). Additionally, PM performance was examined as a function of attainment on a battery of tests of executive functioning (viz., Controlled Oral Word Association Test, Letter Number Sequencing Test, Stroop Color and Word Test, and Trail Making Test). A significant main effect of age indicated that the older children correctly carried out intended actions more often than the younger children. Consistent with the prefrontal model of PM, interruption had no impact on PM accuracy in the older group but produced reliable decrements to the accuracy of the younger group. Whereas IQ showed no association with PM performance, reliable relations between PM skills and aspects of their executive functioning were found.  相似文献   
289.
Although the neighborhood microsystem is recognized as an important domain for adolescent development, relative to the family and peer contexts, neighborhood factors have been understudied in relation to adolescent substance abuse. In addition, recent research suggests that risk factors for adolescent substance use may differ for African Americans when compared to Caucasian youth. This study investigated the association between perceived neighborhood disorganization and later substance use, as well as possible mediators of that association, among a community sample of urban African American adolescents. Perceptions of neighborhood disorganization (i.e., violence/safety and drug activity) in grade 7 were associated with increased tobacco, alcohol, and marijuana use in grade 9. For females, this association was mediated by attitudes about drug use and perceptions of drug harmfulness. Findings highlight the importance of neighborhood contextual variables for African American substance use. Implications and directions for future research are presented.  相似文献   
290.
Previous research has shown inferential confusion as measured by the Inferential Confusion Questionnaire to be related to obsessive-compulsive symptoms. A total of 108 participants (41 men and 66 women) from a normal population in The Netherlands (M age = 46 yr., SD = 15.5) completed a package of questionnaires measuring inferential confusion, schizotypal symptoms, and obsessive-compulsive behaviour. As expected, scores for both inferential confusion and schizotypal symptoms were significantly related to those for obsessive-compulsive behaviour. In addition, analysis showed that inferential confusion and schizotypal symptoms shared common variance, but both predicted an independent portion of the variance in obsessive-compulsive behaviour while controlling for neuroticism. The present results call for further inquiry into the role of inferential confusion and schizotypal thinking in obsessive-compulsive behaviour.  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