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81.
The paper provides conceptual clarifications for the issues related to the dependence of jointly distributed systems of random entities on external factors. This includes the theory of selective influence as proposed in Dzhafarov [(2003a). Selective influence through conditional independence. Psychometrika, 68, 7-26] and generalized versions of the notions of probabilistic causality [Suppes, P., & Zanotti, M. (1981). When are probabilistic explanations possible? Synthese, 48, 191-199] and dimensionality in the latent variable models [Levine, M. V. (2003). Dimension in latent variable models. Journal of Mathematical Psychology, 47, 450-466]. One of the basic observations is that any system of random entities whose joint distribution depends on a factor set can be represented by functions of two arguments: a single factor-independent source of randomness and the factor set itself. In the case of random variables (i.e., real-valued random entities endowed with Borel sigma-algebras) the single source of randomness can be chosen to be any random variable with a continuous distribution (e.g., uniformly distributed between 0 and 1). 相似文献
82.
83.
This paper studies the asymptotic distributions of three reliability coefficient estimates: Sample coefficient alpha, the reliability estimate of a composite score following a factor analysis, and the estimate of the maximal reliability of a linear combination of item scores following a factor analysis. Results indicate that the asymptotic distribution for each of the coefficient estimates, obtained based on a normal sampling distribution, is still valid within a large class of nonnormal distributions. Therefore, a formula for calculating the standard error of the sample coefficient alpha, recently obtained by van Zyl, Neudecker and Nel, applies to other reliability coefficients and can still be used even with skewed and kurtotic data such as are typical in the social and behavioral sciences.This research was supported by grants DA01070 and DA00017 from the National Institute on Drug Abuse and a University of North Texas faculty research grant. We would like to thank the Associate Editor and two reviewers for suggestions that helped to improve the paper. 相似文献
84.
This study was an attempt to replicate and extend the previous research by Puma ( 1996 ) and Kakhnovets ( 2011 ) on the relationships between the 5‐factor model of personality (FFM) and college students' attitudes toward seeking counseling. With a sample of 458 undergraduate students, the authors found that participant sex, prior treatment experiences, and 3 of the FFM factors (openness, agreeableness, and conscientiousness) predicted college students' attitudes toward counseling, but there was no evidence of moderator effects. 相似文献
85.
Do participants bring their own priors to an experiment? If so, do they share the same priors as the researchers who design the experiment? In this article, we examine the extent to which self‐generated priors conform to experimenters’ expectations by explicitly asking participants to indicate their own priors in estimating the probability of a variety of events. We find in Study 1 that despite being instructed to follow a uniform distribution, participants appear to have used their own priors, which deviated from the given instructions. Using subjects’ own priors allows us to account better for their responses rather than merely to test the accuracy of their estimates. Implications for the study of judgment and decision making are discussed. 相似文献
86.
Van den Wollenberg stated a theorem specifying the conditions for a test, which is composed of two Rasch homogeneous subscales, as also behaving Rasch homogeneously. In our note, simple numerical counterexamples are given for which this theorem fails.While preparing the final version of this note, Ilse Rop passed away. The first author therefore takes sole responsibility for this final version. 相似文献
87.
Douglas Cullinan Ed.D. Michael H. Epstein Ed.D. Kevin P. Quinn Ph.D. 《Journal of child and family studies》1996,5(3):299-321
We examined interrelationships among personal, family, and prior service utilization data collected on young people selected to participate in a Chicago suburban area system of care, with a detailed consideration of a subset of 176 White participants aged 9–20 years. Data obtained through a review of archival information and then analyzed included WISC IQ grade retention, medication status, DSM diagnostic group, adjudication, marital status of parents, living situation before selection, maternal employment, public assistance status, family risk status, and placement history. Results showed that IQ and specific DSM diagnostic category were not important correlates of personal, family, or placement variables, although having a DSM diagnosis of any kind was. Family risk factors, including family history of mental illness, substance abuse, criminal conviction, and violence in the family, were related to other family variables, primarily. Adjudication and prescribed medication appeared to have been alternative responses to these young people's problems. A cluster analysis of these system of care participants' placement histories indicated five clusters characterized by varied personal and family correlates, as well as different patterns of placement usage. 相似文献
88.
The eight short explorations in the first part of this paper attempt to identify some crucial developments in the history of Western learning which eclipsed pluralist educational practices in their (Socratic) infancy and thereafter, and which contributed to the widespread employment of education as a force for cultural uniformity, or assumed superiority. Drawing together the lessons of the first part with contemporary insights from hermeneutic philosophy, the second part sets forth briefly the promising educational possibilities for human self-understanding and co-existence which are furnished by a newly-inspired reclamation of the long-eclipsed heritage. 相似文献
89.
研究通过3个实验,以6年级学生为被试,考察了先前知识在分数乘法规则单、双内容样例学习中的作用以及“标记法”、“标记+注释法”样例设计方法对低先前知识学生学习双内容样例的促进效果。结果发现:(1)高先前知识学生学习两种样例的迁移成绩无显著差异,且均好于低先前知识学生的成绩;(2)低先前知识学生学习单内容样例的迁移成绩明显优于双内容样例;(3)与学习普通样例相比,低先前知识学生学习“标记法”双内容样例的后测成绩无显著差异,但学习“标记+注释法”设计的样例的成绩明显更好。结果表明,学生单、双内容样例的学习效果受其先前知识水平的影响;低先前知识学生未能从“标记法”设计的双内容样例中获益,但学习“标记+注释法”设计的样例效果更佳。 相似文献
90.
Dean Keith Simonton 《创造性行为杂志》2018,52(1):80-90
I argue that any attempt to define creative ideas cannot fully succeed without also defining uncreative ideas. This argument begins by defining three parameters that characterize a potentially creative thought: the idea's initial probability (p), the final utility (u), and the creator's prior knowledge of that utility (v). The three parameters then lead to a three‐criterion multiplicative definition of personal creativity, namely, c = (1 ? p)u(1 ? v), where the first factor indicates originality and the third factor surprise. Although creativity can only maximize as originality, utility, and surprise all approach unity, the same definition indicates that there are seven different ways that creativity can minimize. These alternatives were identified as (a) routine, reproductive, or habitual ideas, (b) fortuitous response bias, (c) irrational perseveration, (d) problem finding, (e) rational suppression, (f) irrational suppression, and (g) blissful ignorance. If the third parameter v is omitted, then the number of creative and noncreative outcomes reduces to just four, making creativity indistinguishable from irrational suppression. The alternative outcomes are then illustrated using the classic two‐string problem. Besides providing a more finely differentiated conception of creativity failures, the definition has critical implications regarding the processes and procedures required to generate highly creative ideas. 相似文献