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   663篇
  免费   52篇
  2024年   2篇
  2023年   8篇
  2022年   12篇
  2021年   13篇
  2020年   20篇
  2019年   34篇
  2018年   34篇
  2017年   29篇
  2016年   38篇
  2015年   29篇
  2014年   26篇
  2013年   79篇
  2012年   40篇
  2011年   51篇
  2010年   27篇
  2009年   21篇
  2008年   25篇
  2007年   39篇
  2006年   27篇
  2005年   16篇
  2004年   18篇
  2003年   21篇
  2002年   11篇
  2001年   6篇
  2000年   3篇
  1999年   4篇
  1998年   4篇
  1997年   6篇
  1996年   9篇
  1995年   10篇
  1994年   7篇
  1993年   2篇
  1992年   4篇
  1991年   3篇
  1990年   5篇
  1989年   3篇
  1988年   5篇
  1986年   1篇
  1984年   4篇
  1983年   4篇
  1982年   4篇
  1981年   2篇
  1979年   3篇
  1978年   2篇
  1977年   2篇
  1970年   1篇
  1961年   1篇
排序方式: 共有715条查询结果,搜索用时 15 毫秒
701.
702.
703.
The purpose of this study was to identify and evaluate a universal screening battery for reading that is appropriate for older elementary students in a response to intervention model. Multiple measures of reading and reading correlates were administered to 230 fourth-grade children. Teachers rated children's reading skills, academic competence, and attention. Children were classified as not-at-risk or at-risk readers based on a three-factor model reflecting reading comprehension, word recognition/decoding, and word fluency. Predictors of reading status included group-administered tests of reading comprehension, silent word reading fluency, and teacher ratings of reading problems. Inclusion of individually administered tests and growth estimates did not add substantial variance. The receiver-operator characteristic curve analysis yielded an area under the curve index of 0.90, suggesting this model may both accurately and efficiently screen older elementary students with reading problems.  相似文献   
704.
705.
Frequent advances in technology provide new and exciting opportunities for conducting suicide research and suicide risk assessments. However, to the authors' knowledge, best practices for using technology, specifically the Internet, to conduct research protocols involving suicide risk assessments have not been examined. In research contexts, the use of technology for research on suicidal behavior and suicide risk assessment can offer benefits relative to other forms of data collection. These advantages, which include increased validity, feasibility, and efficiency, as well as improvements in data collection and management, are presented. Considerations regarding the implementation of an online system for suicide risk assessment as well as limitations and future directions are discussed.  相似文献   
706.
Newborns are able to extract and learn repetition-based regularities from the speech input, that is, they show greater brain activation in the bilateral temporal and left inferior frontal regions to trisyllabic pseudowords of the form AAB (e.g., “babamu”) than to random ABC sequences (e.g., “bamuge”). Whether this ability is specific to speech or also applies to other auditory stimuli remains unexplored. To investigate this, we tested whether newborns are sensitive to regularities in musical tones. Neonates listened to AAB and ABC tones sequences, while their brain activity was recorded using functional Near-Infrared Spectroscopy (fNIRS). The paradigm, the frequency of occurrence and the distribution of the tones were identical to those of the syllables used in previous studies with speech. We observed a greater inverted (negative) hemodynamic response to AAB than to ABC sequences in the bilateral temporal and fronto-parietal areas. This inverted response was caused by a decrease in response amplitude, attributed to habituation, over the course of the experiment in the left fronto-temporal region for the ABC condition and in the right fronto-temporal region for both conditions. These findings show that newborns’ ability to discriminate AAB from ABC sequences is not specific to speech. However, the neural response to musical tones and spoken language is markedly different. Tones gave rise to habituation, whereas speech was shown to trigger increasing responses over the time course of the study. Relatedly, the repetition regularity gave rise to an inverted hemodynamic response when carried by tones, while it was canonical for speech. Thus, newborns’ ability to detect repetition is not speech-specific, but it engages distinct brain mechanisms for speech and music.

Research Highlights

  • The ability of newborns’ to detect repetition-based regularities is not specific to speech, but also extends to other auditory modalities.
  • The brain mechanisms underlying speech and music processing are markedly different.
  相似文献   
707.
We present an exact replication of Experiment 2 from Kovács and Mehler's 2009 study, which showed that 7-month-old infants who are raised bilingually exhibit a cognitive advantage. In the experiment, a sound cue, following an AAB or ABB pattern, predicted the appearance of a visual stimulus on the screen. The stimulus appeared on one side of the screen for nine trials and then switched to the other side. In the original experiment, both mono- and bilingual infants anticipated where the visual stimulus would appear during pre-switch trials. However, during post-switch trials, only bilingual children anticipated that the stimulus would appear on the other side of the screen. The authors took this as evidence of a cognitive advantage. Using the exact same materials in combination with novel analysis techniques (Bayesian analyses, mixed effects modeling and cluster based permutation analyses), we assessed the robustness of these findings in four babylabs (N = 98). Our results did not replicate the original findings: although anticipatory looks increased slightly during post-switch trials for both groups, bilingual infants were not better switchers than monolingual infants. After the original experiment, we presented additional trials to examine whether infants associated sound patterns with cued locations, for which we did not find any evidence either. The results highlight the importance of multicenter replications and more fine-grained statistical analyses to better understand child development.

Highlights

  • We carried out an exact replication across four baby labs of the high-impact study by Kovács and Mehler (2009).
  • We did not replicate the findings of the original study, calling into question the robustness of the claim that bilingual infants have enhanced cognitive abilities.
  • After the original experiment, we presented additional trials to examine whether infants correctly associated sound patterns with cued locations, for which we did not find any evidence.
  • The use of novel analysis techniques (Bayesian analyses, mixed effects modeling and cluster based permutation analyses) allowed us to draw better-informed conclusions.
  相似文献   
708.
ABSTRACT

This article seeks to understand the Ramsay family in To the Lighthouse (Woolf, 1927) from both Freudian and Kohutian self-psychological models. I specifically address the Oedipus conflict and erotic degradation dynamics as a means to explore the broader phenomena of psychical impotence and disintegration. Ultimately, this article reveals that Freud’s understanding of psychical impotence and Kohut’s notion of disintegration are 2 sides of the same coin. Accordingly, a broader, intermediary theoretical understanding of the Oedipal Triangle and its effects is needed.  相似文献   
709.
Objective: The current investigation extends ecological momentary assessment (EMA) and daily diary weight stigma research in internalised weight bias (IWB). This investigation used daily diaries to examine the relationship between IWB, mood, coping, body appreciation, exercise behaviours and eating behaviours. Design: The study sample consisted of individuals who were overweight or obese (85% female) with MBMI?=?36.0, SDBMI?=?6.2. Participants completed a daily diary each evening and wore a Fitbit for 30 days. Main Outcome Measures: Participants reported on IWB, mood, coping, body appreciation, exercise behaviours and eating behaviours.

Results: Both within- and between-subjects IWB were significantly related to positive affect, negative affect, several coping responses, body appreciation, eating behaviours and the urge to avoid exercise. Exploratory analyses indicated that positive and negative affect mediated many of the associations between IWB and coping responses, body appreciation, and eating and exercise behaviours.

Conclusion: This investigation provides evidence that IWB experiences have daily impacts on psychological well-being, body appreciation, coping, eating and exercise behaviours. Also, this study raises awareness about IWB and its potential impact on psychological well-being and health behaviours.  相似文献   

710.
Eighty‐five young adults exposed to a cluster of peer suicides as adolescents completed measures of attitudes toward suicide, grief, and social support. Closeness to the peers lost to suicide was positively correlated with grief and the belief that suicide is not preventable, with grief further elevated in close individuals with high social support from friends. Overall, social support was related to healthy attitudes about suicide including preventability, yet it was also related to some stigmatizing beliefs. Compared with 67 young adults who had not been exposed to a suicide cluster, the exposed sample was more likely to think that suicide is normal but more likely to think of it as incomprehensible.  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