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81.
Niko Tiliopoulos Gerry Pallier Anthony P.M. Coxon 《Personality and individual differences》2010,48(1):34-39
The five factor model, a dominant model of personality today, is based on the pre-structuring of test-components and factor analytic (FA) interpretations. These procedures have been criticised, especially FA’s limitation to accurately identify the underlying structure of constructs. This paper examined whether the NEO-PI-R revealed the same trait structures when analysed through alternative statistical procedures. Non-metric multidimensional scaling (NMDS) was employed alongside FA techniques (N = 384). FA indicated the presence of five factors, but NMDS suggested a more parsimonious arrangement, comprising three (similar to Eysenck’s PEN model), or even two “super structures”. Furthermore, a circular trait arrangement was a reasonable alternative, suggesting that traits can be meaningfully (re)classified based on their kind and their integrative centrality. Over-reliance on FA models might not be the most appropriate approach for a better understanding of personality. 相似文献
82.
华人人际关系的概念化--针对中国香港地区大学生的实证研究 总被引:5,自引:1,他引:4
以杨中芳所构建的华人人际关系概念化理论模型为蓝本,并采用以往的实证研究方法为基础,揭示了当代华人对人际关系如何进行概念化及其潜在的认知维度。杨氏模型认为华人人际关系主要由既定成分、情感成分和工具成分组成。该研究以中国香港地区的大学生为被试进行调查,首先采用访谈的形式,分家族、学校及日常生活情境建立人际关系清单。然后采用多维量法(Multi-dimensional scaling)处理被试对关系进行分类的数据。结果发现,在不同的生活情境中,被试均依据情感程度对关系进行分类。在等级差异明显的家族和学校情境中,被试依据辈份和等级差异的突显性进行分类;而在等级差异小的生活情境中,则采用功利程度为标准。本文对被试在不同情境中所采用的不同维度进行了讨论,并提出华人人际关系的义务具有工具性质的实证结果。 相似文献
83.
Thomas Augustin 《Psychometrika》2006,71(3):469-481
Stevens postulated that we can use the responses of a participant in a ratio scaling experiment directly to construct a psychophysical
function representing the participant's sensations. Although Stevens' methods of constructing measurement scales are widely
used in the behavioral sciences, the problem of which scale type is appropriate to describe ratio scaling data is still unresolved.
To deal with this problem, we develop a theoretical framework to specify the scale type attained by Stevens' direct scaling
methods. It is shown, under fairly mild background assumptions, that the behavioral axioms presented in this paper are necessary
and sufficient for the psychophysical functions to be ordinal-, interval-, log-interval-, or ratio-scales. Furthermore, suggestions
on how to test these behavioral axioms are provided.
Requests for reprints should be sent to thomas. 相似文献
84.
Matthew S. Johnson 《Psychometrika》2006,71(2):257-279
Unlike their monotone counterparts, nonparametric unfolding response models, which assume the item response function is unimodal,
have seen little attention in the psychometric literature. This paper studies the nonparametric behavior of unfolding models
by building on the work of Post (1992). The paper provides rigorous justification for a class of nonparametric estimators
of respondents’ latent attitudes by proving that the estimators consistently rank order the respondents. The paper also suggests
an algorithm for the rank ordering of items along the attitudes scale. Finally, the methods are evaluated using simulated
data.
This research was supported in part by an Educational Testing Service Gulliksen Fellowship, and by the National Science Foundation,
Grant DMS-97.05032. The author would like to thank Brian Junker for his help and support on this paper and Paul Holland, Steve
Fienberg, and Jay Kadane for their helpful comments. 相似文献
85.
86.
Mikhail Katkov 《Journal of mathematical psychology》2006,50(4):411-420
A basic problem in psychophysics is recovering the mean internal response and noise amplitude from sensory discrimination data. Since these components cannot be estimated independently, several indirect methods were suggested to resolve this issue. Here we analyze the two-alternative force-choice method (2AFC), using a signal detection theory approach, and show analytically that the 2AFC data are not always suitable for a reliable estimation of the mean internal responses and noise amplitudes. Specifically, we show that there is a subspace of internal parameters that are highly sensitive to sampling errors (singularities), which results in a large range of estimated parameters with a finite number of experimental trials. Four types of singular models were identified, including the models where the noise amplitude is independent of the stimulus intensity, a situation often encountered in visual contrast discrimination. Finally, we consider two ways to avoid singularities: (1) inserting external noise to the stimuli, and (2) using one-interval forced-choice scaling methods (such as the Thurstonian scaling method for successive intervals). 相似文献
87.
Gabriel Lins de Holanda Coelho Paul H.P. Hanel Mark K. Johansen Gregory R. Maio 《欧洲人格杂志》2019,33(1):34-51
The present research provides the first direct examination of human values through concept categorization tasks that entail judging the meaning of values. Seven studies containing data from nine samples (N = 1086) in two countries (the UK and Brazil) asked participants to compare the meaning of different values found within influential quasi‐circumplex model of values. Different methods were used across experiments, including direct similarity judgment tasks, pile sorting, and spatial arrangement. The results of these diverse conceptual assessments corresponded to spatial configurations that are broadly convergent with Schwartz's model, both between and within participants. © 2018 The Authors. European Journal of Personality published by John Wiley & Sons Ltd on behalf of European Association of Personality Psychology 相似文献
88.
Solution-focused counsellors use “scaling questions” to construct understandings of clients’ concerns and solutions to them. We examine how these questions are asked and answered, offering evidence of what is constructed from within counselling discourse. Also, clients and counsellors offer their retrospective accounts of their participation in question and answer sequences in their dialogues. We conclude by speaking to the implications we see from this research as it relates to collaborative and resourceful dialogue between counsellors and clients. 相似文献
89.
Cluster differences scaling with a within-clusters loss component and a fuzzy successive approximation strategy to avoid local minima 总被引:2,自引:0,他引:2
Cluster differences scaling is a method for partitioning a set of objects into classes and simultaneously finding a low-dimensional spatial representation ofK cluster points, to model a given square table of dissimilarities amongn stimuli or objects. The least squares loss function of cluster differences scaling, originally defined only on the residuals of pairs of objects that are allocated to different clusters, is extended with a loss component for pairs that are allocated to the same cluster. It is shown that this extension makes the method equivalent to multidimensional scaling with cluster constraints on the coordinates. A decomposition of the sum of squared dissimilarities into contributions from several sources of variation is described, including the appropriate degrees of freedom for each source. After developing a convergent algorithm for fitting the cluster differences model, it is argued that the individual objects and the cluster locations can be jointly displayed in a configuration obtained as a by-product of the optimization. Finally, the paper introduces a fuzzy version of the loss function, which can be used in a successive approximation strategy for avoiding local minima. A simulation study demonstrates that this strategy significantly outperforms two other well-known initialization strategies, and that it has a success rate of 92 out of 100 in attaining the global minimum. 相似文献
90.
Upper bounds for Kruskal's stress 总被引:1,自引:0,他引:1
In this paper the relationships between the two formulas for stress proposed by Kruskal in 1964 are studied. It is shown that stress formula one has a system of nontrivial upper bounds. It seems likely that minimization of this loss function will be liable to produce solutions for which this upper bound is small. These are regularly shaped configurations. Even though stress formula two yields less equivocal results, it seems to be expected that minimization of this loss function will tend to produce configurations in which the points are clumped. These results give no clue as to which of the two loss functions is to be preferred.This study has been supported by the Nederlandse Organisatie voor Zuiver-Wetenschappelijk Onderzoek (Netherlands Organization for the Advancement of Pure Research), under grant 56-146.Comments by Willem Heiser and Frank Critichley have been very helpful.The second author presently is employed by the Netherlands Central Bureau of Statistics, Voorburg. 相似文献