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61.
Mark G. Ehrhart Karen Holcombe Ehrhart Scott C. Roesch Beth G. Chung-Herrera Kristy Nadler Kelsey Bradshaw 《Personality and individual differences》2009,47(8):900-905
Recent efforts have aimed to develop relatively short measures of the Five-Factor Model (FFM) of personality, particularly for when time and/or space is limited. We evaluate the Ten-Item Personality Inventory (TIPI), a non-proprietary FFM measure with two items per dimension. We use a latent variable methodology to examine the TIPI’s factor structure and convergent validity with the 50-item International Personality Item Pool (IPIP) FFM measure. We provide correlations between the scale scores and latent factors, and compare each measure’s pattern of correlations with measures of other individual difference constructs. Results were favorable in terms of the factor structure and convergent validity of the TIPI, particularly regarding the correlations between the respective latent factors of the TIPI and the IPIP–FFM measures. 相似文献
62.
63.
从“情境因素”和“过程因素”两个方面对整合式谈判影响因素的研究动态和研究成果进行了归纳和分析。其中“情境因素”是指在正式谈判一开始时就已经存在的因素,主要包括:(1)谈判者的文化价值观,如个人主义与集体主义、权力距离和沟通的高、低语境;(2)社会动机,研究谈判组的动机构成如何影响谈判过程和结果;(3)情绪因素,研究谈判中的积极情绪、消极情绪各自对达成整合式谈判的影响。对“过程因素”的研究考察了谈判沟通的过程,包括谈判过程中各种策略的使用频次、次序和谈判各个阶段的策略使用情况 相似文献
64.
Hartmann Scheiblechner 《Psychometrika》2007,72(1):43-67
The (univariate) isotonic psychometric (ISOP) model (Scheiblechner, 1995) is a nonparametric IRT model for dichotomous and
polytomous (rating scale) psychological test data. A weak subject independence axiom W1 postulates that the subjects are ordered
in the same way except for ties (i.e., similarly or isotonically) by all items of a psychological test. A weak item independence
axiom W2 postulates that the order of the items is similar for all subjects. Local independence (LI or W3) is assumed in all
models. With these axioms, sample-free unidimensional ordinal measurements of items and subjects become feasible. A cancellation
axiom (Co) gives, as a result, the additive isotonic psychometric (ADISOP) model and interval scales for subjects and items,
and an independence axiom (W4) gives the completely additive isotonic psychometric (CADISOP) model with an interval scale
for the response variable (Scheiblechner, 1999). The d-ISOP, d-ADISOP, and d-CADISOP models are generalizations to d-dimensional dependent variables (e.g., speed and accuracy of response).
The author would like to thank an Associate Editor and two anonymous referees and also Professor H.H. Schulze for their very
valuable suggestions and corrections. 相似文献
65.
In this paper we introduce a latent variable model (LVM) for mixed ordinal and continuous responses, where covariate effects
on the continuous latent variables are modelled through a flexible semiparametric Gaussian regression model. We extend existing
LVMs with the usual linear covariate effects by including nonparametric components for nonlinear effects of continuous covariates
and interactions with other covariates as well as spatial effects. Full Bayesian modelling is based on penalized spline and
Markov random field priors and is performed by computationally efficient Markov chain Monte Carlo (MCMC) methods. We apply
our approach to a German social science survey which motivated our methodological development.
We thank the editor and the referees for their constructive and helpful comments, leading to substantial improvements of a
first version, and Sven Steinert for computational assistance. Partial financial support from the SFB 386 “Statistical Analysis
of Discrete Structures” is also acknowledged. 相似文献
66.
澳门人的风险知觉与赌博行为 总被引:12,自引:0,他引:12
采用匿名问卷法,调查澳门人的风险知觉与赌博行为。结果显示:(1)赌场的劝世文既无劝勉也无劝阻人们赌博的作用;(2)社会关系网的钱财支援不影响实际赌博次数;(3)多次性博弈与一次性博弈所采用的是不同的机制,一次性博弈不是由期望值所决定的;(4)相互监视和制裁系统会影响赌博:受法律制裁约束的职业者比不受法律制裁约束的职业者更不好赌;自估在赌场遇见认识人的机会与赌博次数呈负相关;(5)性别及母语等“本质趋向”差异表明,所谓澳门人不好赌有其渊源并可能是在长期的文化沉淀中形成的;(6)受教育程度是影响赌博的有效预测变量。这些发现的理论含义一并进行了讨论。 相似文献
67.
A variable-selection heuristic for K-means clustering 总被引:4,自引:0,他引:4
One of the most vexing problems in cluster analysis is the selection and/or weighting of variables in order to include those that truly define cluster structure, while eliminating those that might mask such structure. This paper presents a variable-selection heuristic for nonhierarchical (K-means) cluster analysis based on the adjusted Rand index for measuring cluster recovery. The heuristic was subjected to Monte Carlo testing across more than 2200 datasets with known cluster structure. The results indicate the heuristic is extremely effective at eliminating masking variables. A cluster analysis of real-world financial services data revealed that using the variable-selection heuristic prior to the K-means algorithm resulted in greater cluster stability. 相似文献
68.
Ke-Hai Yuan Brenna Gomer 《The British journal of mathematical and statistical psychology》2021,74(Z1):199-246
Data in social sciences are typically non-normally distributed and characterized by heavy tails. However, most widely used methods in social sciences are still based on the analyses of sample means and sample covariances. While these conventional methods continue to be used to address new substantive issues, conclusions reached can be inaccurate or misleading. Although there is no ‘best method’ in practice, robust methods that consider the distribution of the data can perform substantially better than the conventional methods. This article gives an overview of robust procedures, emphasizing a few that have been repeatedly shown to work well for models that are widely used in social and behavioural sciences. Real data examples show how to use the robust methods for latent variable models and for moderated mediation analysis when a regression model contains categorical covariates and product terms. Results and logical analyses indicate that robust methods yield more efficient parameter estimates, more reliable model evaluation, more reliable model/data diagnostics, and more trustworthy conclusions when conducting replication studies. R and SAS programs are provided for routine applications of the recommended robust method. 相似文献
69.
Modal Foundations for Predicate Logic 总被引:1,自引:0,他引:1
70.
The posterior analysis in estimating factor score in a confirmatory factor analysis model with polytomous, censored or truncated data is investigated in this paper. For the above three types of data, posterior distributions of the factor score are studied, and the estimators of the factor score are obtained to be the location parameters of the posterior distributions. The accuracy of Bayesian estimates is studied via simulation studies.This research was supported by a Hong Kong UGC grant. 相似文献