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71.
72.
The present study aims to analyze the dimensionality of physical self-concept through confirmatory factor analysis of the AFI questionnaire (Esnaola, 2005; Esnaola & Go?i, 2006) and to compare two models: a) a quadri-dimensional model in which physical self-concept is made up of the sub-domains ability, condition, attractiveness and strength, and, b) a three-factor model in which the items corresponding to ability and condition are grouped together as one factor. The sample consists of 1,259 participants ranging in age from 12 to 84 years old (700 women and 556 men) who were divided into four groups as a function of age: 627 adolescents (12-18 years old), 272 young people (19-30 years old), 248 middle-aged adults (31-49 years old) and 112 people over 55, all living in the Basque Autonomous Region of Spain. The results indicate that the quadri-dimensional model of physical self-concept fits the data better than the three-dimensional model (which showed poor goodness of fit) for the study's total sample, as well as within the male and female sub-samples. Furthermore, the four-factor model was found to be stable throughout adolescence, youth and middle-age, but not for the group of adults over 55. 相似文献
73.
This study examined the performance of selection criteria available in the major statistical packages for both mean model
and covariance structure. Unbalanced designs due to missing data involving both a moderate and large number of repeated measurements
and varying total sample sizes were investigated. The study also investigated the impact of using different estimation strategies
for information criteria, the impact of different adjustments for calculating the criteria, and the impact of different distribution
shapes. Overall, we found that the ability of consistent criteria in any of the their examined forms to select the correct
model was superior under simple covariance patterns than under complex covariance patterns, and vice versa for the efficient
criteria. The simulation studies covered in this paper also revealed that, regardless of method of estimation used, the consistent
criteria based on number of subjects were more effective than the consistent criteria based on total number of observations,
and vice versa for the efficient criteria. Furthermore, results indicated that, given a dataset with missing values, the efficient
criteria were more affected than the consistent criteria by the lack of normality. 相似文献
74.
In this article, we integrate recent findings on the ways power affects goal pursuit. We review literature suggesting that power has two unique effects on goal pursuit: it affects the goals individuals choose to pursue, and the ways they pursue them. In short, we maintain that power‐holders prefer goals that suit their privileged positions – reward oriented and hierarchy‐maintenance goals – as well as goals that come easily to mind because they are chronically accessible or afforded in the situation. We go on to show that powerful individuals exhibit better self‐regulation during goal striving than powerless individuals, independently of goal content. Finally, we review conditions that reverse the effects of power on goal pursuit. 相似文献
75.
Ángel Sánchez-Rodríguez Guillermo B. Willis Jolanda Jetten Rosa Rodríguez-Bailón 《European journal of social psychology》2019,49(6):1114-1127
In addition to the negative effects of economic inequality on a range of health and social outcomes, we propose that inequality should also affect how people perceive the broader normative climate in society. We predicted that people living in a more unequal (vs. equal) society are more likely to appraise the social context as one where individualism determines people's behavior. We tested this idea in three experiments by manipulating the degree of economic inequality in a fictional society. We showed that, compared to the low-inequality condition, participants in the high-inequality condition were more likely to project individualistic norms onto society. Furthermore, Experiments 2 and 3 showed that in the high- (vs. low-) economic-inequality condition, participants inferred more competition and less cooperation between people. Our results are discussed in light of the importance of the perception of a broader normative climate to explain the consequences of economic inequality. 相似文献
76.
Reducing the Risk of Internalizing Symptoms among High‐risk Hispanic Youth through a Family Intervention: A Randomized Controlled Trial
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Tatiana Perrino Hilda Pantin Shi Huang Ahnalee Brincks C. Hendricks Brown Guillermo Prado 《Family process》2016,55(1):91-106
Familias Unidas is an intervention that has been found to be efficacious in preventing and reducing substance use, sexual risk, and problem behaviors among Hispanic youth. While it does not specifically target youth internalizing symptoms, the intervention works to strengthen parenting and family factors associated with reduced risk of internalizing symptoms (i.e., depression, anxiety symptoms). This study examines the effects of Familias Unidas on internalizing symptoms among high‐risk youth, as well as the role of family level factors in the intervention's effects. A total of 242 12–17‐year‐old Hispanic youth with a history of delinquency and their primary caregivers were recruited from the school and juvenile justice systems, and randomly assigned to the Familias Unidas intervention or community practice control. A linear latent growth model was used to examine intervention effects on the trajectory of adolescent internalizing symptoms from baseline to 6 and 12 months post‐baseline. Results show that the Familias Unidas intervention was more efficacious than control in reducing youth internalizing symptoms. Baseline youth externalizing and internalizing symptoms did not moderate the intervention's effects on the trajectory of youth internalizing symptoms. While parent – adolescent communication did not significantly moderate the intervention's effects, changes in parent – adolescent communication mediated the intervention's effects on internalizing symptoms, showing stronger intervention effects for youth starting with poorer communication. Findings indicate that the Familias Unidas intervention can reduce internalizing symptoms among high‐risk Hispanic youth, and that improving parent – youth communication, a protective family factor, may be one of the mechanisms by which the intervention influences youth internalizing symptoms. 相似文献
77.
78.
Ricardo Olmos José A. León Guillermo Jorge-Botana Inmaculada Escudero 《Behavior research methods》2009,41(3):944-950
In this study, we compared four expert graders with latent semantic analysis (LSA) to assess short summaries of an expository text. As is well known, there are technical difficulties for LSA to establish a good semantic representation when analyzing short texts. In order to improve the reliability of LSA relative to human graders, we analyzed three new algorithms by two holistic methods used in previous research (León, Olmos, Escudero, Cañas, &; Salmerón, 2006). The three new algorithms were (1) the semantic common network algorithm, an adaptation of an algorithm proposed by W. Kintsch (2001, 2002) with respect to LSA as a dynamic model of semantic representation; (2) a best-dimension reduction measure of the latent semantic space, selecting those dimensions that best contribute to improving the LSA assessment of summaries (Hu, Cai, Wiemer-Hastings, Graesser, &; McNamara, 2007); and (3) the Euclidean distance measure, used by Rehder et al. (1998), which incorporates at the same time vector length and the cosine measures. A total of 192 Spanish middle-grade students and 6 experts took part in this study. They read an expository text and produced a short summary. Results showed significantly higher reliability of LSA as a computerized assessment tool for expository text when it used a best-dimension algorithm rather than a standard LSA algorithm. The semantic common network algorithm also showed promising results. 相似文献
79.
This reviews the first of a tripartite symposia series dealing with novel neuroscientific technologies, the nature of consciousness
and being, and the questions that arise from such interactions. The event took place on May 8 2009, at Georgetown University,
and brought together ten leading figures on fields ranging from Neuroscience and Robotics to Philosophy, that commented on
their research and provided ethical, moral and practical insight and perspectives into how these technologies can shape the
future of neuroscientific and human development, as well as denoting the potential abuses and the best way to proceed about
them. 相似文献
80.
Guillermo Hansen 《Dialog》2012,51(1):31-42
Abstract : What does the church mean when it confesses through the Creeds its oneness? My aim is to reflect on how and why theology needs to bring to the fore a hidden dimension in the discourse on the unity of the church, that is, its tendency to fall into a “solid” and “totalizing” disciplinary technology, i.e., an ideology. I will approach the theme following these basic theological pointers: (a) a biblical primary symbol as it emerges to unveil a new existence and practice—Paul's metaphor of the body in 1 Corinthians 12; (b) a secondary symbol through which the church understood itself to be lodged—the trinitarian understanding of being as a communicative relationship; (c) the regulative principle of law and promise as guiding a discursive practice that supports different levels of decentering and centering that signals a breakthrough of the eschaton—Luther's understanding of law and gospel. These overlapping theological dimensions allow a different metaphorization of the oneness and unity of the church. 相似文献