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191.
This is the first study to evaluate the psychometric properties of the Food Craving Questionnaire-Trait (FCQ-T), and Food Craving Questionnaire-State (FCQ-S) measures using a clinically heterogeneous sample of eating disorder patients (N = 177) recruited from seven different outpatient eating disorder treatment centers in Spain. Confirmatory factor analyses (CFAs) corroborated the factor structures of the FCQ-T and FCQ-S. The measures' scores and their factor-derived scale-scores yielded internal consistency reliability indexes that ranged from adequate to excellent. The measures were predictive of eating disorder symptoms. As expected, the FCQ-T was more strongly associated with eating disorder psychopathology than the FCQ-S. The results replicated the psychometric properties of the FCQ-T and FCQ-S in eating disorder populations and could become useful tools in clinical and research settings. 相似文献
192.
The present work focuses on the skew-symmetry index as a measure of social reciprocity. This index is based on the correspondence between the amount of behaviour that individuals address toward their partners and what they receive in return. Although the skew-symmetry index enables researchers to describe social groups, statistical inferential tests are required. This study proposes an overall statistical technique for testing symmetry in experimental conditions, calculating the skew-symmetry statistic (Phi) at group level. Sampling distributions for the skew-symmetry statistic were estimated by means of a Monte Carlo simulation to allow researchers to make statistical decisions. Furthermore, this study will allow researchers to choose the optimal experimental conditions for carrying out their research, as the power of the statistical test was estimated. This statistical test could be used in experimental social psychology studies in which researchers may control the group size and the number of interactions within dyads. 相似文献
193.
The statistical analysis of data from small groups 总被引:1,自引:0,他引:1
Kenny DA Mannetti L Pierro A Livi S Kashy DA 《Journal of personality and social psychology》2002,83(1):126-137
The authors elaborate the complications and the opportunities inherent in the statistical analysis of small-group data. They begin by discussing nonindependence of group members' scores and then consider standard methods for the analysis of small-group data and determine that these methods do not take into account this nonindependence. A new method is proposed that uses multilevel modeling and allows for negative nonindependence and mutual influence. Finally, the complications of interactions, different group sizes, and differential effects are considered. The authors strongly urge that the analysis model of data from small-group studies should mirror the psychological processes that generate those data. 相似文献
194.
Cobos PL López FJ Caño A Almaraz J Shanks DR 《Journal of experimental psychology. Animal behavior processes》2002,28(4):331-346
In predictive causal inference, people reason from causes to effects, whereas in diagnostic inference, they reason from effects to causes. Independently of the causal structure of the events, the temporal structure of the information provided to a reasoner may vary (e.g., multiple events followed by a single event vs. a single event followed by multiple events). The authors report 5 experiments in which causal structure and temporal information were varied independently. Inferences were influenced by temporal structure but not by causal structure. The results are relevant to the evaluation of 2 current accounts of causal induction, the Rescorla-Wagner (R. A. Rescorla & A. R. Wagner, 1972) and causal model theories (M. R. Waldmann & K. J. Holyoak, 1992). 相似文献
195.
This study examines perceptions of the "typical American" from 49 cultures around the world. Contrary to the ethnocentric bias hypothesis, we found strong agreement between in-group and out-group ratings on the American profile (assertive, open-minded, but antagonistic); Americans in fact had a somewhat less desirable view of Americans than did others. Within cultures, in-group ratings were not systematically more favorable than out-group ratings. The Iraq invasion had a slight negative effect on perceptions of the typical American, but people around the world seem to draw a clear distinction between U.S. foreign policy and the character of the American people. National character stereotypes appear to have a variety of sources and to be perpetuated by both cognitive mechanisms and socio-cultural forces. 相似文献
196.
Alvarez L González-Castro P Núñez JC González-Pienda JA Alvarez D Bernardo AB 《Psicothema》2007,19(4):591-596
Is it possible to learn to attend? The purpose of this article is to provide information about the development, administration, and contrast of an intervention program to improve selective and sustained attention in students from 5 to 19 years of age, all attending school, and with difficulties to learn the academic materials corresponding to their age. Two groups participated in the study: one with difficulties in selective attention and the other with difficulties in sustained attention. The group with selective attention difficulties was made up of 102 students, of whom 59 made up the experimental group and 43 the control group. The group of students with difficulties in sustained attention was made up of 106 students, of whom 58 participated as the experimental group and 48 as the control group. The results indicate that this kind of intervention (which combines visual therapy, cortical activation, and training with activity banks) is effective to improve attentional deficits, both at the level of selective attention and of sustained attention. 相似文献
197.
Gallardo Pujol D García-Forero C Kramp U Maydeu-Olivares A Andrés-Pueyo A 《Psicothema》2007,19(1):156-162
When analyzing genetic data, Structural Equations Modeling (SEM) provides a straightforward methodology to decompose phenotypic variance using a model-based approach. Furthermore, several models can be easily implemented, tested, and compared using SEM, allowing the researcher to obtain valuable information about the sources of variability. This methodology is briefly described and applied to re-analyze a Spanish set of IQ data using the biometric ACE model. In summary, we report heritability estimates that are consistent with those of previous studies and support substantial genetic contribution to phenotypic IQ; around 40% of the variance can be attributable to it. With regard to the environmental contribution, shared environment accounts for 50% of the variance, and non-shared environment accounts for the remaining 10%. These results are discussed in the text. 相似文献
198.
The present study aimed to explore sexist attitudes in young people and to investigate the role of these ideologies in the
contribution of boys and girls to housework. For this purpose, 139 Spanish high school students (67 females and 72 males)
responded to the ASI and AMI scales (Glick and Fiske in Journal of Personality and Social Psychology 70:491–512, 1996, Psychology
of Women Quarterly 23:519–536, 1999) and assessed their contribution to housework in tasks considered traditionally done by
women (highly gender-typed) or more neutral tasks (sex-neutral). Results showed that girls contributed significantly more
to housework than boys. In addition, correlation analyses showed that benevolent sexism toward women, men and hostility toward
men were significant related to highly gender typed tasks only in the female sample. This result shows the relevance of sexist
ideologies in maintaining established differences between genders. 相似文献
199.
Pedro L. Cobos Antonio Ca o Francisco J. L pez Juan L. Luque Juli n Almaraz 《The Quarterly Journal of Experimental Psychology Section B: Comparative and Physiological Psychology》2000,53(3):193-207
According to the comparator process hypothesis (Matute, Arcediano, & Miller, 1996), cue competition in the learning of between-events relationships arises if the judgement required involves a comparison between the probability of the outcome given the target cue and the probability of the outcome given the competing cue. Alternatively, other associative accounts (the Rescorla-Wagner model: Rescorla &Wagner, 1972) conceive cue competition as a learning deficit affecting the target cue-outcome association. Consequently, the comparator process hypothesis predicts that cue competition occurs in inference judgements but not in contiguity ones, for only the first type of judgement implicitly involves such a comparison. On the other hand, the Rescorla-Wagner model predicts cue competition in both inference and contiguity judgements, because it establishes no relevant role for the type of judgement in producing cue competition. In Experiments 1 and 2 we manipulated the relative validity of cues and the type of question (inference vs. contiguity) in a predictive learning task. In both experiments we found a cue competition effect, but no interaction between the relative validity of cues and the type of question, suggesting that the Rescorla-Wagner theory suffices to explain cue competition. 相似文献
200.
Tom Loeys Catherine Legrand Antonio Schettino Gilles Pourtois 《The British journal of mathematical and statistical psychology》2014,67(2):304-327
The semi‐parametric proportional hazards model with crossed random effects has two important characteristics: it avoids explicit specification of the response time distribution by using semi‐parametric models, and it captures heterogeneity that is due to subjects and items. The proposed model has a proportionality parameter for the speed of each test taker, for the time intensity of each item, and for subject or item characteristics of interest. It is shown how all these parameters can be estimated by Markov chain Monte Carlo methods (Gibbs sampling). The performance of the estimation procedure is assessed with simulations and the model is further illustrated with the analysis of response times from a visual recognition task. 相似文献