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   22659篇
  免费   757篇
  国内免费   11篇
  23427篇
  2020年   208篇
  2019年   213篇
  2018年   319篇
  2017年   365篇
  2016年   365篇
  2015年   234篇
  2014年   307篇
  2013年   1675篇
  2012年   609篇
  2011年   667篇
  2010年   404篇
  2009年   384篇
  2008年   561篇
  2007年   558篇
  2006年   504篇
  2005年   451篇
  2004年   450篇
  2003年   408篇
  2002年   463篇
  2001年   731篇
  2000年   752篇
  1999年   553篇
  1998年   260篇
  1997年   220篇
  1992年   453篇
  1991年   411篇
  1990年   445篇
  1989年   421篇
  1988年   402篇
  1987年   402篇
  1986年   410篇
  1985年   431篇
  1984年   337篇
  1983年   300篇
  1982年   241篇
  1981年   217篇
  1979年   392篇
  1978年   285篇
  1977年   260篇
  1976年   225篇
  1975年   345篇
  1974年   378篇
  1973年   358篇
  1972年   337篇
  1971年   291篇
  1970年   264篇
  1969年   326篇
  1968年   361篇
  1967年   328篇
  1966年   330篇
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
991.
The perception of the general social standing of husbands and wives in dual-work families as a function of their respective achieved and derived occupational statuses was examined experimentally. The results indicated that both the wife's and husband's general social status was a function only of the husband's occupational status; the wife's occupational status had no effect on either her general social status or that of her husband. The one exception to this was the case of the high achieved occupational status wife depressing the social status of the low occupational status husband. The results are discussed in terms of their implications for recent critiques of male-determined stratification models.  相似文献   
992.
This research attempted to establish relationships between locus of control, self-esteem, and traditional-nontraditional behavior. It was hypothesized that (1) women tending toward internality and high self-esteem should be more likely to manifest nontraditional behaviors, as evidenced through career-oriented roles, and to rank these roles as their primary source of satisfaction; and (2) women tending toward externality and low self-esteem should be more likely to manifest traditional behavior, as evidenced through family-oriented roles, and to rank these roles as their primary source of satisfaction. The sample consisted of 91 White females in a southern metropolitan area. The data were collected using a survey design. As expected, high self-esteem internals were more likely to manifest nontraditional behavior. Contrary to expectation, low self-esteem externals were more nontraditional in role orientation.  相似文献   
993.
994.
Two studies were conducted examining the contributions of repression-sensitization (R-S) status, sex-role perceptions, and sex of the target of expressivity to assess the expression of emotional discomfort by males, in Experiment I verbal and nonverbal measures of emotional expressiveness were obtained for male repressors and sensitizers exposed to neutral or moderately negative arousal situations with sex of the target of the expressiveness controlled. In Experiment 2 repressors were found to be sex-typed masculine and male sensitizers sex-reversed in their sex-role perceptions. The usefulness of R-S status and sex, role perceptions to predicting emotional expressivity by males is discussed.  相似文献   
995.
The present study examines several methodological and conceptual problems which in the past have made it difficult to accept the hypothesis that mental practice facilitates behavioral skill. An experiment on skill in speech production is then reported which overcomes the methodological problems. Subjects practice producing a sentence at maximal rate either mentally (mental practice) or overtly (physical practice) and then produced a transfer sentence which was either related or unrelated. The maximal rate of speech was faster for related than unrelated transfer sentences, and the degree of transfer for the mental and physical practice conditions was equivalent. A theory was developed to explain these results and overcome the conceptual problems outlined in the introduction. Implications of the theory for several related phenomena are discussed: rehearsal, errors in action, automatization, control processes in motor skills, speed-up as a function of practice, the relative advantages of physical vs. mental practice, and the evoked potentials accompanying mental rehearsal of an action.  相似文献   
996.
The purpose of this study was to test the hypothesis that impulsivity is positively related to both the intraindividual variability and the rate of performance of a paced tapping task. The independent variable in the tapping task were: feedback vs. no feedback; tempo; concurrent cognitive task (counting) vs. no concurrent cognitive task. Three measures of tapping performance were computed: absolute or total error of tapping, tapping rate, and the intraindividual variability of tapping. The results confirm the hypothesis that impulsivity is positively related to rate of paced tapping, although the degree of relationship varied under different experimental conditions within the paced tapping task. Intraindividual variability of tapping was not significantly related to impulsivity, but the results were suggestive of a positive relationship.  相似文献   
997.
School psychologists participated in a cognitive-behavioral stress-management training program. The data showed decreases in self-reported anxiety and increases in job satisfaction of school psychologists as a result of the training. In addition, teacher satisfaction with school psychological services increased after participation in teacher inservice workshops generated as a result of training the school psychologists.  相似文献   
998.
A three-stage model of the relationships among achievement outcomes, outcome-related affect, attribution, and emotion is tested in two studies. It is suggested that success and failure elicit positive and negative affective states due to prior conditioning. These affective states then lead to an attribution process that serves to defend and enhance self-esteem. Next, emotional labels are chosen that are consistent with the affective states and the attributions. Two studies were designed to test the proposed relationships among achievement outcomes, affective states, and attributions. In the first study, subjects received information indicating that they were strongly or mildly aroused as a result of receiving outcome feedback on an achievement task. The results indicated that low arousal reduced egotistical attributions to internal factors. In the second study, subjects either succeeded or failed on an achievement task. Half of the subjects were provided with an opportunity to misattribute the arousal elicited by their outcomes to an irrelevant source. Subjects in the misattribution condition made less egotistical attributions to external factors than subjects who were given no opportunity to misattribute their arousal. The results of both studies suggest that outcome-related affect mediates the relationship between outcomes and attributions in achievement situations.  相似文献   
999.
The purpose of this paper is to demonstrate that rats can rapidly learn to locate an object that they can never see, hear, or smell provided it remains in a fixed spatial location relative to distal room cues. Four groups of rats were permitted to escape from opaque water onto a platform which was either just above or just below the water surface, and in either a fixed or varied location. Learning occurred rapidly except for the group for whom the escape platform was below the water surface and moved about from place to place. Transfer tests revealed that a spatial location search strategy was employed by the group for whom the platform was below water but in a fixed location. A second experiment investigated this learning further, revealing instantaneous transfer when the rats were required to approach the platform from a novel starting position. The data of both studies are discussed in relation to recent work on spatial memory in the rat. The concept of the “acuity” of spatial memory is introduced and the procedures used may provide a new approach to comparing spatial memory with classical and instrumental conditioning.  相似文献   
1000.
Three experiments demonstrated that prior training with one stimulus (CS1) would block acquisition of the rabbit's nictitating membrane response (NMR) to another stimulus (CS2) which was more contiguous to the US during serial compound training (CS1-CS2-US). Specifically, the CS1-US interval was 800 msec, which produces only a modest rate of CR acquisition, while the CS2-US interval was 400 msec, which is an optimal value for the NMR preparation. Experiment 1 demonstrated blocking when CS1 overlapped CS2, and Experiment 3 demonstrated blocking when CS1 and CS2 were presented in a strictly sequential fashion. Experiment 2 showed that the magnitude of blocking in the serial compound was comparable to that obtained in a simultaneous compound in which both the CS1-US and CS2-US intervals were 800 msec, thus making CS2 less contiguous with the US than in the serial compound. Moreover, the level of responding to CS2 in all serial compound groups (blocking and control) was lower than in the simultaneous compound groups. The present findings provide further evidence that the associative consequences of CS-US contiguity can be highly attenuated by processes of attention or competition for associative strength.  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