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   4625篇
  免费   611篇
  国内免费   532篇
  2024年   12篇
  2023年   96篇
  2022年   104篇
  2021年   153篇
  2020年   269篇
  2019年   259篇
  2018年   209篇
  2017年   294篇
  2016年   297篇
  2015年   184篇
  2014年   234篇
  2013年   720篇
  2012年   163篇
  2011年   188篇
  2010年   157篇
  2009年   220篇
  2008年   270篇
  2007年   236篇
  2006年   220篇
  2005年   193篇
  2004年   178篇
  2003年   150篇
  2002年   145篇
  2001年   105篇
  2000年   98篇
  1999年   88篇
  1998年   64篇
  1997年   56篇
  1996年   42篇
  1995年   46篇
  1994年   49篇
  1993年   35篇
  1992年   22篇
  1991年   30篇
  1990年   21篇
  1989年   19篇
  1988年   20篇
  1987年   15篇
  1986年   11篇
  1985年   15篇
  1984年   15篇
  1983年   8篇
  1982年   9篇
  1981年   9篇
  1980年   12篇
  1979年   7篇
  1978年   8篇
  1977年   10篇
  1976年   2篇
  1975年   1篇
排序方式: 共有5768条查询结果,搜索用时 31 毫秒
241.
This paper has traced Bion’s discovery of alpha function and its subsequent elaboration. His traumatic experiences as a young tank commander in World War I (overlaid on, and intertwined with, childhood conflicts) gave him firsthand exposure to very painful emotions that tested his capacity to manage. Later, in the 1950s, after his analysis with Melanie Klein and marriage to Francesca Bion, he undertook the analysis of psychotic patients and learned how they disassembled their ability to know reality as a defense against unbearable emotional truths in their lives. This led Bion to identify an aspect of dreaming that was necessary in order for reality experience to be given personal meaning so that one may learn from experience. Simultaneous with working out this new theory of dreaming, Bion also revisited his World War I experiences that had remained undigested and all these elements coalesced into a selected fact – his discovery of alpha function. In subsequent writings, Bion explored the constituent factors of alpha function, including the container/contained relationship, the PS?D balance, reverie, tolerated doubt and other factors which I have termed the ‘Constellation for Thinking’.  相似文献   
242.
The religious economies model has been influential in the sociology of religion. Yet, propositions drawn from the model have been difficult to test in the comparative and historical study of religion, generally for lack of appropriate data. We develop a general theory of religious disestablishment and apply it to the Reformation in 16th‐century Europe to explain variation in the abolition of the Catholic monopoly. We suggest three principal factors—changes in demand, entry control mechanisms, and political incentives—that explain why incumbent religious firms may lose their monopoly. We then analyze the resulting hypotheses in a systematic analysis of cities in the Holy Roman Empire. Our analysis yields mixed support for demand‐side factors and entry control mechanisms, and firm support for political incentives in the institution of reform.  相似文献   
243.
A growing body of research evidence suggests that creativity is very domain‐specific and that domain‐general skills or traits contribute little to creative performance. The term “creativity” is a convenient term for collecting many interesting artifacts, processes, and people into a single category, and the term “creative thinking skills” may be a useful way to connect a diverse set of unrelated cognitive processes that operate on different content and in different domains. These concepts are misleading, however, because although they connect things that may seem similar to observers, they lack any underlying cognitive psychological validity. This has implications for the ways we understand and assess creativity, and also for how we should direct our efforts to develop creative‐thinking skills in diverse domains. Creativity training needs either to target the domains in which creativity enhancement is desired or to use a wide range of activities in diverse domains if the goal is more general improvement in many domains. Creativity assessment needs to focus on domain‐by‐domain assessment and to review findings based on allegedly domain‐general tests of creativity that may have misled researchers to unsupportable interpretations. Creativity theory needs to set more modest goals of domain‐by‐domain theory development and to recognize that theories that may seem domain‐general might better be understood as meta‐theoretical heuristics that do not actually describe domain‐general processes. These meta‐theories might in some cases help guide the search for domain‐based theories.  相似文献   
244.
We examined the effects of several variations in response rate on the calculation of total, interval, exact‐agreement, and proportional reliability indices. Trained observers recorded computer‐generated data that appeared on a computer screen. In Study 1, target responses occurred at low, moderate, and high rates during separate sessions so that reliability results based on the four calculations could be compared across a range of values. Total reliability was uniformly high, interval reliability was spuriously high for high‐rate responding, proportional reliability was somewhat lower for high‐rate responding, and exact‐agreement reliability was the lowest of the measures, especially for high‐rate responding. In Study 2, we examined the separate effects of response rate per se, bursting, and end‐of‐interval responding. Response rate and bursting had little effect on reliability scores; however, the distribution of some responses at the end of intervals decreased interval reliability somewhat, proportional reliability noticeably, and exact‐agreement reliability markedly.  相似文献   
245.
References to death abound in many television programs accessible to most people. Terror Management Theory postulates that existential anxiety, which death reminders activate, may reinforce materialistic tendencies. The current article explores the effect of a death reminder in television shows on the desirability of advertised products. Consistent with Terror Management Theory's predictions, in two studies participants show greater desire for products, which were advertised immediately following clips from programs that featured a death scene, compared with programs that did not. Cognitive accessibility of death predicted the appeal difference while changes in affect or interest in the show did not. The findings are discussed in light on affective and existential theories which make opposite predictions. Implications and future directions are considered.  相似文献   
246.
Abstract

The authors examined the influence of sociodemographic variables on the frequency and intensity of alcohol use among a nationally representative sample of Black, Hispanic, and White adolescents who had participated in the 1991 National Household Survey on Drug Abuse (U.S. Department of Health and Human Services, 1993). The sample consisted of 8,756 U.S. adolescents aged 12 to 18 years. The authors found that (a) approximately 19% of the respondents had used alcohol in the last 30 days; (b) among the respondents who had used alcohol, 21% had consumed 1 or more drinks per drinking episode; and (c) there were important similarities as well as important differences in variables that promoted alcohol use among Black, Hispanic, and White adolescents.  相似文献   
247.
ABSTRACT

In this study, I explored intended response to aggression among adolescents. I drew hypotheses from social identity theory, cost/benefit considerations, and social information processing model. I asked 217 Jewish and Muslim male adolescents in this study to assess their intended use of aggression in 12 hypothetical conflict situations (vignettes), in which I manipulated the opponent's religion, gender, acquaintance, and severity of aggression. I mainly found that male adolescents respond to aggression by same-religion opponents more moderately than to cross-religion aggression; their response is more moderate to cross-gender aggression than to same-gender aggression; response is more moderate to the aggression of familiar opponents than to that of unfamiliar ones; and response is less severe toward moderate than toward severe aggression.  相似文献   
248.
ABSTRACT

Spousal discrepancy theory posits that partners with wide personality differences are at risk for marital distress. In this study, we assessed links between partner personality and interpersonal characteristics and marital distress in 244 couples who sought marital therapy. The sample was divided into three subgroups according to marital duration. Longer-married couples reflected significantly less impulsive, exploitive, and insensitive characteristics than couples in either shorter or intermediate marriages. Couples' marital distress was linked to larger discrepancies in personal distress, impulsivity, interpersonal insensitivity, and self-centered characteristics. While husbands' marital distress was linked to partner differences in personal distress and to impulsive, narcissistic, and competitive characteristics, wives' marital distress was primarily linked to partner discrepancies in self-centeredness.  相似文献   
249.
ABSTRACT

We tested a mediation model of weight bias that considers person attributes and contact experiences with overweight individuals. In Study 1, we administered a survey to assess Openness, Agreeableness, Attributional Complexity, contact experiences with overweight individuals, and weight bias. Mediation analyses found that Agreeableness predicted less weight bias through contact experiences. In Study 2, we asked participants to interact with a peer whose weight and attributions regarding the weight were experimentally manipulated. We then measured acceptance of the peer. Agreeableness was found to indirectly predict more acceptance of an overweight peer through Empathy and contact experiences. These results show that contact theory is applicable to the domain of weight bias, and support person-situation approaches to prejudice.  相似文献   
250.
Abstract

This paper evaluated multilevel reliability measures in two-level nested designs (e.g., students nested within teachers) within an item response theory framework. A simulation study was implemented to investigate the behavior of the multilevel reliability measures and the uncertainty associated with the measures in various multilevel designs regarding the number of clusters, cluster sizes, and intraclass correlations (ICCs), and in different test lengths, for two parameterizations of multilevel item response models with separate item discriminations or the same item discrimination over levels. Marginal maximum likelihood estimation (MMLE)-multiple imputation and Bayesian analysis were employed to evaluate the accuracy of the multilevel reliability measures and the empirical coverage rates of Monte Carlo (MC) confidence or credible intervals. Considering the accuracy of the multilevel reliability measures and the empirical coverage rate of the intervals, the results lead us to generally recommend MMLE-multiple imputation. In the model with separate item discriminations over levels, marginally acceptable accuracy of the multilevel reliability measures and empirical coverage rate of the MC confidence intervals were found in a limited condition, 200 clusters, 30 cluster size, .2 ICC, and 40 items, in MMLE-multiple imputation. In the model with the same item discrimination over levels, the accuracy of the multilevel reliability measures and the empirical coverage rate of the MC confidence intervals were acceptable in all multilevel designs we considered with 40 items under MMLE-multiple imputation. We discuss these findings and provide guidelines for reporting multilevel reliability measures.  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