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291.
In this paper, we propose a cluster-MDS model for two-way one-mode continuous rating dissimilarity data. The model aims at
partitioning the objects into classes and simultaneously representing the cluster centers in a low-dimensional space. Under
the normal distribution assumption, a latent class model is developed in terms of the set of dissimilarities in a maximum
likelihood framework. In each iteration, the probability that a dissimilarity belongs to each of the blocks conforming to
a partition of the original dissimilarity matrix, and the rest of parameters, are estimated in a simulated annealing based
algorithm. A model selection strategy is used to test the number of latent classes and the dimensionality of the problem.
Both simulated and classical dissimilarity data are analyzed to illustrate the model. 相似文献
292.
Yoshihisa Kashima Paul Bain Nick Haslam Kim Peters Simon Laham Jennifer Whelan Brock Bastian Stephen Loughnan Leah Kaufmann Julian Fernando 《Asian Journal of Social Psychology》2009,12(4):227-246
People have a folk theory of social change (FTSC). A typical Western FTSC stipulates that as a society becomes more industrialized, it undergoes a natural course of social change, in which a communal society marked by communal relationships becomes a qualitatively different, agentic society where market‐based exchange relationships prevail. People use this folk theory to predict a society's future and estimate its past, to understand contemporary cross‐cultural differences, and to make decisions about social policies. Nonetheless, the FTSC is not particularly consistent with the existing cross‐cultural research on industrialization and cultural differences, and needs to be examined carefully. 相似文献
293.
Francisco J. Heredia-López José L. Bata-García José L. Góngora-Alfaro Fernando J. Alvarez-Cervera Joaquín Azpiroz-Leehan 《Behavior research methods》2009,41(2):352-358
This article describes the design and preliminary evaluation of a small-sized and low energy consumption wearable wireless
telemetry system for the recording of extracellular neuronal activity, with the possibility of selecting one of four channels.
The system comprises four radio frequency (RF) transceivers, three microcontrollers, and a digital amplifier and filter. This
constitutes an innovative distributed processing approach. Gain, cutoff frequencies, and channel selection are remotely adjusted.
Digital data transmission is used for both the bioelectrical signals and the control commands. This feature offers superior
immunity to external RF interference. Real-time viewing of the acquired data allows the researcher to select only relevant
data for storage. Simultaneous recordings of neuronal activity from the striatum of a freely moving rat, both with the wireless
device and with a wired data acquisition system, are shown. 相似文献
294.
The problems that arise from the presence of self-attacking arguments and odd-length cycles of attack within argumentation frameworks are widely recognized in the literature on defeasible argumentation. This paper introduces two simple semantics to capture different intuitions about what kinds of arguments should become justified in such scenarios. These semantics are modeled upon two extensions of argumentation frameworks, which we call sustainable and tolerant. Each one is constructed on the common ground of the powerful concept of admissibility introduced by Dung in [P.M. Dung, On the acceptability of arguments and its fundamental role in non-monotonic reasoning, logic programming, and n-person games, Artificial Intelligence 77 (1995) 321–357]. The novelty of this approach consists in viewing the admissibility of a subset of arguments as relative to potentially challenging subsets of arguments. Both sustainable and tolerant semantics are more credulous than preferred semantics (i.e. they justify at least the same arguments, and possibly more). Given certain sufficient conditions they coincide among them as well as with other semantics introduced by Dung. 相似文献
295.
Fernando A. Ortiz A. Timothy Church José de Jesús Vargas-Flores Joselina Ibáñez-Reyes Mirta Flores-Galaz Jorge Isaías Iuit-Briceño Jose Miguel Escamilla 《Journal of research in personality》2007
The universality versus cultural specificity of Mexican personality dimensions was investigated by examining: (a) the replicability of Mexican personality dimensions assessed by indigenous inventories; and (b) the extent to which Mexican dimensions are encompassed by the Five-Factor Model (FFM), one hypothesized universal model of personality structure. Mexican university students (N = 794) completed nine indigenous inventories and the Spanish version of the Revised NEO Personality Inventory. The FFM replicated well, although reliability was poor for a few facet scales. Reliability was acceptable for the indigenous Mexican scales. However, for most indigenous instruments, a cross-sample replication criterion suggested alternative structures of fewer, more replicable dimensions. Multiple regression and joint factor analyses revealed that most of the Mexican dimensions were well subsumed by the FFM. Thus, cultural differences did not involve clearly culture-specific dimensions, but more subtle differences in the salience or cultural flavor of particular traits. 相似文献
296.
Alicia M. del Prado A. Timothy Church Marcia S. Katigbak Lilia G. Miramontes Monica T. Whitty Guy J. Curtis José de Jesús Vargas-Flores Joselina Ibáñez-Reyes Fernando A. Ortiz Jose Alberto S. Reyes 《Journal of research in personality》2007
Three theoretical perspectives on cultural universals and differences in the content of self-concepts were tested in individualistic (United States, n = 178; Australia, n = 112) and collectivistic (Mexico, n = 157; Philippines, n = 138) cultures, using three methods of self-concept assessment. Support was found for both trait perspectives and the individual–self-primacy hypothesis. In contrast, support for cultural psychology hypotheses was limited because traits and other personal attributes were not more salient, or social attributes less salient, in individualistic cultures than collectivistic cultures. The salience of some aspects of self-concept depended on the method of assessment, calling into question conclusions based on monomethod studies. 相似文献
297.
Attachment insecurities,life satisfaction,and relationship satisfaction from a dyadic perspective: The role of positive and negative affect
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Fernando Molero Phillip R. Shaver Itziar Fernández Patricia Recio 《European journal of social psychology》2017,47(3):337-347
The purpose of this research is to examine the association between attachment insecurities (anxiety and avoidance) and both subjective well‐being (positive affect [PA] and negative affect [NA] and life satisfaction) and relationship satisfaction. There were 174 Spanish heterosexual couples with a mean length of relationship of 13.9 years who participated in the study. The hypotheses were tested according to the actor–partner interdependence model. We proposed a model in which PA and NA could mediate the association between attachment insecurities and life and relationship satisfaction. Results show that (1) actor effects are more frequent than partner effects; (2) anxious attachment tends to be related to NA and avoidant attachment to PA; (3) avoidance is more detrimental than anxiety for relationship satisfaction at individual and dyadic levels, and (4) there are some mediational effects of NA and PA in the association between attachment insecurities and life and relationship satisfaction. 相似文献
298.
Shanti I. Fernando Alyson E. King Allyson Eamer 《Occupational Therapy in Mental Health》2017,33(3):279-297
Interviews with adult mental health in- and out-patients attending a psychiatric hospital-based supported education program, and their program staff and volunteers, demonstrated that while an informal program structure had initial success in increasing student confidence and independence, the subsequent expansion of the program requires formalizing it using adult and transformative education protocols to increase literacy gains. We argue that professional development in adult education showing the value of transformative learning for staff can complement their occupational therapy and mental healthcare training, so that the empowerment and identity transformation can be increased for these vulnerable students. 相似文献
299.
Raj Agnihotri Colin B. Gabler Omar S. Itani Fernando Jaramillo Michael T. Krush 《Journal of Personal Selling & Sales Management》2017,37(1):27-41
This research investigates the effects of sales-service ambidexterity on salesperson role perceptions, behaviors, and customer satisfaction. Using a business-to-business, salesperson-customer sample, we build and test a model which highlights both the positive and negative consequences of this simultaneous goal pursuit. Specifically, while sales-service ambidexterity positively impacts adaptive selling behaviors, it also increases perceptions of role conflict among salespeople. Customer demandingness moderates these relationships. Taken together, the results provide insights for firms on how to manage their sales force to optimize both sales and service outcomes based on characteristics of their salespeople and customers. 相似文献
300.
This study utilizes tabular data from the Canadian “Immigration Database” (IMDB) to look at the association between entry class and the wage earnings of immigrant cohorts arriving between 1990 and 2007. As expected, immigrants entering as skilled, principal applicants have the strongest earnings trajectories. Immigrants who enter under family or humanitarian considerations see more moderate earnings growth with government-assisted having the shallowest earnings trajectories. 相似文献