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   4614篇
  免费   205篇
  国内免费   1篇
  4820篇
  2023年   46篇
  2022年   42篇
  2021年   80篇
  2020年   82篇
  2019年   134篇
  2018年   156篇
  2017年   164篇
  2016年   182篇
  2015年   132篇
  2014年   133篇
  2013年   523篇
  2012年   245篇
  2011年   270篇
  2010年   142篇
  2009年   122篇
  2008年   184篇
  2007年   183篇
  2006年   130篇
  2005年   167篇
  2004年   177篇
  2003年   150篇
  2002年   111篇
  2001年   85篇
  2000年   81篇
  1999年   58篇
  1998年   52篇
  1997年   35篇
  1996年   45篇
  1995年   41篇
  1994年   30篇
  1993年   37篇
  1992年   44篇
  1991年   42篇
  1990年   52篇
  1989年   33篇
  1988年   47篇
  1987年   37篇
  1986年   35篇
  1985年   34篇
  1984年   40篇
  1983年   42篇
  1982年   19篇
  1980年   20篇
  1979年   30篇
  1978年   26篇
  1977年   27篇
  1976年   20篇
  1974年   24篇
  1973年   19篇
  1967年   18篇
排序方式: 共有4820条查询结果,搜索用时 0 毫秒
1.
Abstract: One claim about I , regularly made and almost universally endorsed, is that uses of the term are logically guaranteed to refer successfully (if they refer at all). The claim is only rarely formulated perspicuously or argued for. Such obscurity helps disguise the fact that those who profess to advance the claim actually turn out to support not a logical guarantee at all but merely high security through fortunate coincidence. This is not surprising. For we have no good reason to accept the claim – granted, any use of I is apt to refer successfully; but that can be explained by pragmatic features of its use. And we have some reason to reject the claim – it is notoriously difficult to see how genuine reference and guaranteed success do not exclude each other when considered as properties of the logic of any term.  相似文献   
2.
3.
This study examined attitudes among 290 residents of three villages in South-West England toward proposals to build a nuclear power station nearby. Respondents were split into four groups according to whether they were neutral or in favor of a new power station either locally or elsewhere in the UK (Group PN), against one locally but neutral or pro elsewhere (LO), or moderately (MO) or extremely (XO) against a new power station both locally and elsewhere. The perceived impact of a nuclear power station on local life was assessed by 30 items. The PN group expected most benefit or least damage on all 30 items. On a majority of items the mean ratings of the LO group resembled those of the XO's more than did those of the MO's. A stepwise discriminant analysis yielded two interpretable functions. The first reflected a trend over the groups in the order PN-LO-MO-XO and was marked particularly by concern with impact on personal peace of mind. The second fuction discriminated the LO's from the other groups, suggesting that they were relatively less concerned with specifically nuclear risks, but more concerned with environmental conservation.  相似文献   
4.
Council, Kirsch, and Hafner (1986) obtained empirical support for the hypothesis that significant correlations between questionnaire measures of absorption and hypnotic susceptibility are an artifact of subjects' beliefs about their own hypnotizability. We tested this hypothesis in a two-session experiment. During Session 1, subjects completed questionnaire measures of absorption, mystical experience, daydreaming frequency, and paranormal beliefs. During Session 2, subjects were tested for hypnotic susceptibility. Subjects were also exposed to one of three information manipulations: They were told about hypnotic testing either before or after filling out the questionnaires or were not told about hypnotic testing. The information manipulation moderated the prediction of susceptibility by the questionnaire measures for women, but not for men. For women, scores on the absorption questionnaire predicted susceptibility only when subjects were informed about hypnotic testing. In the told-after condition, this effect generalized to all of the remaining questionnaire measures. For men, none of the questionnaires was a reliable predictor of susceptibility.  相似文献   
5.
6.
Mothers and fathers were asked via an open-ended interview technique to explain specific interactions with their children that had been noted during a period of family observation in the home. Explanations were obtained for behavior in five interactional contexts (e.g., interactions involving discipline and interactions encouraging the child to be independent). The explanations were classified first to determine the extent to which they referred to what might have been actual thoughts at the time of the behavior. Second, they were content analysed to determine how much parents perceived themselves as responding to the child, versus how much they presented their behavior as arising from their own dispositions, purposes, and experiences. Results showed that most of the explanations did not contain what could be considered conscious cognitions at the time of the behavior. This suggests parents might have been responding automitically in the situation. Also, parents did not perceive their behavior as being mainly in response to the child. Instead they primarily saw themselves as the agents of their own actions. The latter trend varied in degree according to the interactional context. Mothers seemed more child centered in their explanations than fathers. Implications are examined for future research on links between parental cognition and behavior, and for the methods adopted to study parental cognitions. Questions are raised about the extent to which parents planfully determine their behavior and the extent to which they are aware of the reasons for their behavior.  相似文献   
7.
Correlates of responses to two potential hazards   总被引:2,自引:0,他引:2  
  相似文献   
8.
The term ‘general pre-trial publicity’ refers to trial-related information that is prominently in the news, and that affects jurors in wholly unrelated cases. Two experiments explored the impact of general pre-trial publicity on juror decision-making. In Experiment 1 mock jurors who earlier read a newspaper article about a defendant mistakenly identified and subsequently convicted of a crime he did not commit were less likely to convict the defendant in an unrelated case than were jurors who read instead about a series of heinous crimes or who had no pre-trial publicity. Experiment 2 demonstrated that this effect is somewhat stronger when the general pre-trial publicity concerns a case that closely resembles the one jurors must decide than when the two cases are dissimilar. These data are discussed in terms of the availability of relevant information in memory. People may evaluate the probability of a defendant's guilt by the ease with which similar or relevant examples come to mind.  相似文献   
9.
We set up a mutual help network among the elderly residents of a government-subsidized apartment building and evaluated its impact on their social ties, social support satisfaction, and depression. A quasi-experimental design was used, with the residents of a similar building located in the same neighborhood serving as the control group. A total of 230 individual services were exchanged, and 28 group activities were organized during the study period. There was almost no difference between experimental and control groups with respect to the change over the study period in the number of social ties with other residents of the building. Support satisfaction decreased in both groups, but the decrease was larger in the experimental group. The control group had a slight decrease in the frequency of their depressive symptoms, whereas the experimental group had a moderate increase. More research is needed on the ability of social support interventions to produce beneficial effects on mental health among individuals who are not experiencing a particular life stress.  相似文献   
10.
A computer-controlled system that detects spontaneous activity (locomotion and rearing) and diurnal activity rhythms in small animals is described. Automatic recording of subtotals during test periods provides data about habituation (nonassociative learning). The system is relatively inexpensive to construct. Fabricated from highly reliable circuit components, it provides replicable measures that enable comparisons between different experimental treatments to be made using parametric statistics.  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