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   1456篇
  免费   68篇
  2021年   16篇
  2020年   29篇
  2019年   29篇
  2018年   44篇
  2017年   40篇
  2016年   54篇
  2015年   32篇
  2014年   43篇
  2013年   178篇
  2012年   65篇
  2011年   58篇
  2010年   43篇
  2009年   49篇
  2008年   57篇
  2007年   45篇
  2006年   41篇
  2005年   33篇
  2004年   40篇
  2003年   40篇
  2002年   27篇
  2001年   21篇
  2000年   27篇
  1999年   22篇
  1998年   17篇
  1997年   13篇
  1996年   19篇
  1995年   11篇
  1993年   10篇
  1992年   15篇
  1991年   21篇
  1990年   15篇
  1989年   16篇
  1988年   9篇
  1987年   14篇
  1986年   11篇
  1985年   21篇
  1983年   16篇
  1982年   20篇
  1981年   10篇
  1980年   8篇
  1978年   11篇
  1977年   11篇
  1976年   17篇
  1975年   10篇
  1974年   8篇
  1973年   10篇
  1972年   21篇
  1970年   10篇
  1968年   13篇
  1935年   9篇
排序方式: 共有1524条查询结果,搜索用时 15 毫秒
71.
72.
Parental involvement in their adolescents’ education plays an important role in promoting their children's academic outcomes. Yet, more research is needed to examine the relationship between parenting practices and parental warmth as well as to consider the potential joint contribution of warmth from both fathers and mothers. Thus, the primary purpose of the current study is to examine the extent to which patterns of parental warmth across fathers and mothers moderate the association between parental involvement and adolescents’ grade point average (GPA) and school engagement behaviors. Latent profile analysis was conducted to identify disparate profiles of fathers’ and mothers’ warmth within a nationally representative sample of 2,306 youths (51% male; mean age = 15.31 years, SD = 1.50; 77% non-Hispanic White) residing in opposite-sex, two-parent families from Wave I and II of the National Longitudinal Study of Adolescent to Adult Health. Latent-class enumeration processes support a five-profile solution characterized by differences in levels of parental warmth and congruency across parents: (a) Congruent High Warmth, (b) Congruent Moderate Warmth, (c) Congruent Low Warmth, (d) Incongruent High Mother/Low Father Warmth, and (e) Incongruent Low Father/Lower Mother Warmth. Subsequent multiple linear regression analyses reveal a moderating effect for Congruent Low Warmth on the relationship between parental involvement and adolescents’ GPA. Ultimately, the results show that variation in parental warmth exists across fathers and mothers with differing impact on adolescents’ outcomes. Excluding one parent without considering the joint effects of both parents will not produce an accurate and precise understanding of parenting in research or practice.  相似文献   
73.
74.
75.
76.
Ein Platonfund     
Hans Sveistrup 《Erkenntnis》1920,2(1):241-252
  相似文献   
77.
78.
We investigated personality disorders (PDs) of young men with chronic authority conflicts using the Millon Clinical Multiaxial Inventory-I (MCMI-I; Millon, 1983). PDs occurred considerably more often in the young men with chronic authority conflicts (62%) compared with a clinical control group of young men with acute authority conflicts (39%). The prevalence of PDs in a normal control group was considerably lower (11%). The passive-aggressive PD is over-represented among young men with chronic authority conflicts; there is hardly any antisocial PD. Millon's conceptualization of these disorders could have influenced these results. The high prevalence of passive-aggressive PDs complicates a good psychotherapeutic outcome in young men with chronic authority conflicts. Our results underscore the clinical utility of the controversial PAPD diagnosis.  相似文献   
79.
This essay attempts to give definitions and identity conditions for the two predominant senses of Argument currently in use, the one involving reasons for a conclusion and the other denoting an expressed disagreement with ensuing verbal behaviour by two parties. I see Johnson's new concept of Argument, as developed in his book Manifest Rationality, as a hybrid of the two common senses of Argument, and, accordingly, I try to define and give the identity conditions of Johnson-arguments. Finally, I disagree with Johnson on the nature of the definition he thinks he has proposed, and I conclude with observations suggesting that his logical perspective has dialectical and rhetorical components.  相似文献   
80.
In this magnetoencephalographic (MEG) study, we examined with high temporal resolution the traces of learning in the speech-dominant left-hemispheric auditory cortex as a function of newly trained mora-timing. In Japanese, the “mora” is a temporal unit that divides words into almost isochronous segments (e.g., na-ka-mu-ra and to-o-kyo-o each comprises four mora). Changes in the brain responses of a group of German and Japanese subjects to differences in the mora structure of Japanese words were compared. German subjects performed a discrimination training in 10 sessions of 1.5 h each day. They learned to discriminate Japanese pairs of words (in a consonant, anniani; and a vowel, kiyokyo, condition), where the second word was shortened by one mora in eight steps of 15 msec each. A significant increase in learning performance, as reflected by behavioral measures, was observed, accompanied by a significant increase of the amplitude of the Mismatch Negativity Field (MMF). The German subjects' hit rate for detecting durational deviants increased by up to 35%. Reaction times and MMF latencies decreased significantly across training sessions. Japanese subjects showed a more sensitive MMF to smaller differences. Thus, even in young adults, perceptual learning of non-native mora-timing occurs rapidly and deeply. The enhanced behavioral and neurophysiological sensitivity found after training indicates a strong relationship between learning and (plastic) changes in the cortical substrate.  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