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11.
We give a definition of bisimulation for conditional modalities interpreted on selection functions and prove the correspondence between bisimilarity and modal equivalence, generalizing the Hennessy–Milner Theorem to a wide class of conditional operators. We further investigate the operators and semantics to which these results apply. First, we show how to derive a solid notion of bisimulation for conditional belief, behaving as desired both on plausibility models and on evidence models. These novel definitions of bisimulations are exploited in a series of undefinability results. Second, we treat relativized common knowledge, underlining how the same results still hold for a different modality in a different semantics. Third, we show the flexibility of the approach by generalizing it to multi-agent systems, encompassing the case of multi-agent plausibility models. 相似文献
12.
Roberto Baiocco Marco Cacioppo Fiorenzo Laghi Mimma Tafà 《Journal of child and family studies》2013,22(7):962-970
The aims of this study were to evaluate the reliability, validity and factorial structure of Family Adaptability and Cohesion Evaluation Scale, Version IV (FACES IV), investigate the relevance of sex and age on family functioning and study the relationship between family functioning and adolescents’ perception of parent and peer attachment. The sample consisted of 1,416 participants (672 women, 744 men, Mage = 17.38 years; age range = 13–22 years) divided into three age groups: 13–15, 16–18, and 19–22 years. Factor analysis confirmed the dimensions formulated to define the construct of family functioning: all the items of each dimension were loaded in the same factor with a correlation of at least 0.30. Groups differed with regard to the age on Cohesion, Enmeshed and Rigid scales: Younger adolescents (age 13–15 years) showed significantly higher scores than adolescents (age 16–18 and 19–22). Sex differences revealed that females had a higher mean score on Cohesion and Flexibility, whereas males had a higher mean score on Disengaged, Enmeshed and Chaotic. Correlations between FACES IV and Parent and Peer Attachment Scale demonstrated the convergent validity of the FACES IV. Data confirmed the validity of FACES IV’s Italian version and suggested that the Circumplex Model has a cross-cultural applicability and it could be a useful instrument in the Italian context. 相似文献
13.
Abstract In a series of five experiments, we attempted to answer three questions concerning the flexibility of visuospatial attention: Is it possible to exert control on the shape of the attentional focus? Can attention be distributed not uniformly but in a gradient fashion within the focus? Does the way in which attentional resources are distributed within the focus affect the way in which they are distributed outside its borders? We provide evidence indicating that observers successfully allocated attention to the cued region. When the cued region was demarcated by a polygon, target detection was speeded up within the polygon. The results also show that the observers were unable to suppress information arising from an irrelevant location falling between two relevant locations (Experiments 1, 2, 3A and 3B). In accord with the zoom lens model, we interpret these results as suggesting that attention forms a unitary zone that may expand to encompass multiple relevant locations but must also include the area between them. In addition, we found that some sort of lateral masking effect occurred when the borders were close to the target location. In Experiment 4, we obtained a gradient inside 相似文献
14.
The single-object advantage is said to occur when performance is faster and/or more accurate when the two targets to be compared appear on one object than when they appear on two different objects. The single-object advantage has been interpreted to suggest that attention can select objects rather than unparsed regions of visual space. In five experiments we explored whether directing attention to one object rather than two objects produces a benefit or a minor cost. Participants were required to compare two target features that belonged to one object, to two objects, or did not belong to any object. In addition, we varied the relevance to the task of object-related global information, such as symmetry of the object and perceptual cluttering of the background. Results showed that attending to one object in comparison to attending to no object produced a benefit only when object-related global information was relevant to the task. In contrast, when object-related global information was irrelevant to the task, attending to one object produced a cost. Thus, it can be concluded that attending to an object does not produce an absolute benefit, but rather produces a smaller cost than attending to two objects. 相似文献
15.
16.
Manuel Mas-Bagà 《Journal of Rational-Emotive & Cognitive-Behavior Therapy》2000,18(3):153-164
Long-term residential treatment--therapeutic communities--have some empirical support for efficacy but historically have been viewed as insulated and alien to the world of research. A therapeutic community with Rational Emotive Behavior Therapy as the core of its philosophy and practice is described, and follow-up results are presented. The argument is made that therapeutic communities may be particularly well suited to treatment of people with dual diagnoses. 相似文献
17.
Marinna S. Mensorio Ausiàs Cebolla Juan Francisco Lisón Enrique Rodilla Gonzalo Palomar Marta Miragall 《Psychology, health & medicine》2017,22(8):911-918
Although the relationship between cholesterol and mood states (especially anxiety) has been well studied, few researches have included the role of eating styles in this relationship. This study explored the associations among eating styles, negative emotional symptoms, and levels of cholesterol (and other medical variables) in a population with hypertension and overweight or obesity, analyzing the possible mediation mechanisms involved. A cross-sectional study was conducted in 68 adults with hypertension and overweight/obesity, and stepwise multiple regression analysis and mediation analyses were carried out to test the hypothesis that eating styles mediate the relationship between negative emotional symptoms and cholesterol. Several significant correlations among age, anthropometric, medical, and psychological variables (eating styles and negative emotional symptoms) were found. There was a significant indirect effect of anxiety on total cholesterol and LDL cholesterol through emotional eating. Results suggest that emotional eating has a relevant role in the rise in total and LDL cholesterol, acting as a mediator in the relationship between anxiety and cholesterol. This finding could have important implications, since it introduces a new variable in the relationship between emotions and cholesterol and, therefore, changes the way of understanding this relationship, and of treating high cholesterol in a hypertensive sample. 相似文献
18.
There are rising perceptions and concerns about social isolation and the prevalence of loneliness in Western societies and their negative impact on people’s psychological well-being. We report on an ethnographic study conducted in two Catholic contemplative monasteries in Spain, focusing on the nuns’ and monks' voluntary search for solitude. Through in-depth interviews we aimed to explore their conceptualisation and experiences of solitude, the motivations behind their spiritual quest for it, and the benefits and challenges that this choice entailed. An extraordinary human template of searching for solitude emerged: although they lived communally (they were not alone), they actively avoided intimacy and closeness with other members of the community (they strove to feel alone out of their own volition). Human solitude was seen as the necessary condition for achieving perfect closeness with God and was interpreted not as leading to isolation but as a channel to communicate more intimately with God. 相似文献
19.
Yolanda Martínez Ortega Montserrat Gomà-i-Freixanet Sergi Valero 《Journal of personality assessment》2017,99(2):219-224
The Zuckerman–Kuhlman Personality Questionnaire (ZKPQ; Zuckerman, Kuhlman, Joireman, Teta, &; Kraft, 1993) was designed for the assessment of personality. The goal of this work was to determine the psychometric properties of the ZKPQ, as well as to establish normative data by gender and age in an outpatient sample attending primary mental health care services. We administered the questionnaire to 314 participants (34.7% males) 18 to 81 years old. The most prevalent primary diagnoses were mood (37.9%) and adjustment disorders (35.0%). Concerning the psychometric properties of the ZKPQ, the pattern of internal consistencies was similar to that previously found among general population, student, or clinical samples. Regarding gender differences, a general pattern was found, with women scoring higher on neuroticism and sociability, and lower on aggression-hostility. As for age, in general, scores declined with age. Norm-based decision making has the potential for significant and long-lasting consequences, and the quality of decisions based on score comparisons can be improved when scores are compared to norms fitted to the group of reference. The availability of the ZKPQ norms by gender and age in mental health care will benefit the accuracy of assessment and therapeutic decision making, providing more effective treatment planning overall. 相似文献
20.
Mònica González Germà Coenders Marc Saez Ferran Casas 《Journal of Happiness Studies》2010,11(3):335-352
In this article we defend that the adoption of a non-linear approach, theoretically framed on complexity theories can make
some contribution to the bottom-up approach, which explains the levels of satisfaction with life as a whole through the combination
of the levels of satisfaction in different life domains. Two approaches have been tested: (Rojas in J Happiness Stud 7:467–497,
2006) constant elasticity of substitution model and the model with quadratic terms and interaction effects (González et al. in
Soc Indic Res 80:267–295, 2006; González et al. in Qual Quant 42:1–21, 2008). In order to prevent obtaining false non-linear relationships they have been analysed twice taking into account or not limited
measurement of satisfaction with life as a whole. Results show that: (a) any of the two non-linear models fits better than
the linear one; (b) any of the models failing to take into account limited measurement fits worse; (c) the non-linear model
with quadratic terms and interaction effects fits better than Rojas’. The implications for the study of psychological well-being
are discussed. 相似文献