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   4348篇
  免费   539篇
  国内免费   222篇
  2024年   23篇
  2023年   108篇
  2022年   71篇
  2021年   147篇
  2020年   224篇
  2019年   258篇
  2018年   191篇
  2017年   233篇
  2016年   258篇
  2015年   181篇
  2014年   186篇
  2013年   548篇
  2012年   138篇
  2011年   178篇
  2010年   115篇
  2009年   184篇
  2008年   182篇
  2007年   181篇
  2006年   171篇
  2005年   157篇
  2004年   118篇
  2003年   104篇
  2002年   112篇
  2001年   112篇
  2000年   91篇
  1999年   90篇
  1998年   68篇
  1997年   51篇
  1996年   54篇
  1995年   53篇
  1994年   45篇
  1993年   52篇
  1992年   40篇
  1991年   43篇
  1990年   43篇
  1989年   24篇
  1988年   28篇
  1987年   23篇
  1986年   20篇
  1985年   20篇
  1984年   16篇
  1983年   11篇
  1982年   20篇
  1981年   16篇
  1980年   17篇
  1979年   18篇
  1978年   34篇
  1977年   24篇
  1976年   20篇
  1975年   6篇
排序方式: 共有5109条查询结果,搜索用时 46 毫秒
991.
The Maslach Burnout Inventory, MBI, is a well established measure of burnout. Its validity outside the USA is, however, uncertain. The aim of the present study was therefore to apply the MBI on personnel in two Swedish human service organizations, comparing factor solutions and scoring norms to the original results. The population consisted of 5730 employees in the Social Insurance Organization (SIO) and the Individual and Family Care section (IFC) of the social welfare agencies. Principal components analysis, principal axes and alpha factor analyses were performed, all with varimax rotation. The suggested three factor solution showed to be remarkably stable irrespective of type of analysis. Score levels were somewhat lower on two subscales in the Swedish population. The conclusion is that the psychometric properties of the MBI seem to be very satisfactory and stable, at least in comparison between Sweden and USA. It is suggested that the dimensionality of MBI is rather invariant, but that the score levels covary with national, cultural, or professional contexts within the human services.  相似文献   
992.
The Maximum-likelihood estimator dominates the estimation of general structural equation models. Noniterative, equation-by-equation estimators for factor analysis have received some attention, but little has been done on such estimators for latent variable equations. I propose an alternative 2SLS estimator of the parameters in LISREL type models and contrast it with the existing ones. The new 2SLS estimator allows observed and latent variables to originate from nonnormal distributions, is consistent, has a known asymptotic covariance matrix, and is estimable with standard statistical software. Diagnostics for evaluating instrumental variables are described. An empirical example illustrates the estimator. I gratefully acknowledge support for this research from the Sociology Program of the National Science Foundation (SES-9121564) and the Center for Advanced Study in the Behavioral Sciences, Stanford, California. This paper was presented at the Interdisciplinary Consortium for Statistical Applications at Indiana University at Bloomington (March 2, 1994) and at the RMD Conference on Causal Modeling at Purdue University, West Lafayette, Indiana (March 3-5, 1994).  相似文献   
993.
Kenny has proposed a variance-components model for dyadic social interaction. His Social Relations model estimates variances and covariances from a round-robin of two-person interactions. The current paper presents a matrix formulation of the Social Relations model. It uses the formulation to derive exact and estimated standard errors for round-robin estimates of Social Relations parameters.We are grateful to George Gilbert for comments on an earlier draft.  相似文献   
994.
广告设计的思维过程及其影响因素   总被引:3,自引:0,他引:3  
让10个具有不同知识背景和工作经验的被试独立完成一个假设的广告设计任务,要求在设计过程中大声报告他们所想到的内容。根据被试的口语报告,分析广告设计思维的基本过程,并探讨设计者的工作经验和知识背景对设计思维过程的影响。实验结果表明:(1)广告设计活动可以看成是一种问题解决行为,设计要求规定了问题的初始状态和目标状态,设计就是经过一系列认知操作产生出符合设计要求的设计结果;(2)实际工作中的广告设计过程包括问题理解、整体策划以及方案构思等阶段,这种阶段性同样存在于个体的设计思维过程中;(3)由于工作经验和知识背景不同,不同被试的广告设计思维过程具有明显的差异,这些差异体现在使用规则、理解问题以及整体策划等方面。  相似文献   
995.
罗大华  周勇  赵桂芬 《心理学报》1996,29(4):396-404
以195名执法人员和185名服刑犯人为被试,采用问卷法研究了影响被告人供述的因素以及相应的对策建议。结果表明:(1)有10种因素被认为对被告人未能形成供述动机有影响作用,有9种因素被认为对被告人形成如实供述动机有影响作用,其中,执法人员所认为的影响作用基本上都比服刑犯人所认为的要大,同时,双方具有各自的倾向性;(2)有15种因素被认为对愿意供述的被告人未能如实供述可能存在影响作用,其中6种因素确实有一定的影响;(3)有9种对策被普遍认为对解决被告人不愿供述问题有效,有10种对策被认为对解决愿意供述的被告人未能如实供述的问题有效,同时,执法人员和服刑犯人在关于对策有效性的评价上具有互补性。  相似文献   
996.
Mark F. Ettin 《Group》1996,20(3):181-205
Group-as-a-whole theory is an attempt to explain the collaboration and synergy that results when patients share their care. The art and science of treating individuals within psychotherapy groups is enriched by an understanding of the unique mediums 3 through which a group comes into being and the more general domains within which it comes to be known. This paper continues the development of a group-as-a-whole compass, as an integration of extant models and theories (Ettin, 1996). The focus shifts from conceptual and spatial models to an exploration of the cultural and relational processes that make up whole-group functioning. The paper comes full circle with hypotheses drawn about how a psychotherapy group, as a holistic phenomenon, is composed and maintained.Private practice, East Brunswick, New Jersey.  相似文献   
997.
This paper examines Pfadt and Wheeler's (1995) suggestions that the methods of statistical process control (SPC) be incorporated into applied behavior analysis. The research strategies of SPC are examined and compared to those of applied behavior analysis. I argue that the statistical methods that are a part of SPC would likely reduce applied behavior analysts' intimate contacts with the problems with which they deal and would, therefore, likely yield poor treatment and research decisions. Examples of these kinds of results and decisions are drawn from the cases and data Pfadt and Wheeler present. This paper also describes and clarifies many common misconceptions about SPC, including W. Edwards Deming's involvement in its development, its relationship to total quality management, and its confusion with various other methods designed to detect sources of unwanted variability.  相似文献   
998.
We extended research on the role of noncontingent positive reinforcement following a functional analysis of attention-maintained self-injurious behavior to self-injury maintained by negative reinforcement in 2 young males with developmental disabilities. During a pretreatment functional analysis, each participant's self-injury was shown to be differentially sensitive to escape from instructional activities as negative reinforcement. During noncontingent escape, escape from learning activities was provided on a fixed-time schedule that was not influenced by the participant's behavior. One participant was also exposed to differential negative reinforcement of other behavior. During this condition, escape from instructional activities was provided contingent on the omission of self-injury for prespecified intervals. Results showed that the provision of escape, even when noncontingent, resulted in significant reductions in self-injury. These results are particularly interesting in light of the experimental history of noncontingent reinforcement as a control rather than as a therapeutic procedure. Noncontingent escape is discussed as a form of extinction that may be less likely than other forms of extinction to produce severe side effects.  相似文献   
999.
This study examined overlap between four basal reading programs and the phonetic analysis subtest of three standardized achievement measures. Raw scores, percentages of items correct, grade equivalents, and percentile scores were computed for a hypothetical student who had mastered all grapheme-phoneme correspondences taught at each grade level. The results indicated that (a) programs differed in the number and sequence of phonics skills taught; (b) percentile and grade-equivalent scores differed across programs at each grade level for a given test; and (c) the proportion of grade-equivalent scores falling at or above expected grade levels differed across tests for a given program (range of 29%–71%). The implications for selecting and interpreting standardized measures of reading decoding are discussed.  相似文献   
1000.
The manner in which the conditional independence graph of a multiway contingency table effects the fitting and interpretation of the Goodman association model (RC) and of correspondence analysis (CA) is considered.Estimation of the row and column scores is presented in this context by developing a unified framework that includes both models. Incorporation of the conditional independence constraints inherent in the graph may lead to equal or additive scores for the corresponding marginal tables, depending on the topology of the graph. An example of doubly additive scores in the analysis of a Burt subtable is given.Thanks are due to anonymous referees who substantially improved the original draft of this paper.  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