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This paper reconsiders the relationship between the rules of a game and its outcomes. We develop a notion of rule reform that leads to the selection of Pareto improved equilibria points. We then apply this notion to a series of naturally occurring fishing rules, including examples from Malaysia, India, Brazil, Turkey, and Canada. We show that reforming a game is conceptually akin to reforming an economy. 相似文献
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In this paper, we present a computer-assisted method for facial reconstruction. This method provides an estimation of the facial shape associated with unidentified skeletal remains. Current computer-assisted methods using a statistical framework rely on a common set of extracted points located on the bone and soft-tissue surfaces. Most of the facial reconstruction methods then consist of predicting the position of the soft-tissue surface points, when the positions of the bone surface points are known. We propose to use Latent Root Regression for prediction. The results obtained are then compared to those given by Principal Components Analysis linear models. In conjunction, we have evaluated the influence of the number of skull landmarks used. Anatomical skull landmarks are completed iteratively by points located upon geodesics which link these anatomical landmarks, thus enabling us to artificially increase the number of skull points. Facial points are obtained using a mesh-matching algorithm between a common reference mesh and individual soft-tissue surface meshes. The proposed method is validated in term of accuracy, based on a leave-one-out cross-validation test applied to a homogeneous database. Accuracy measures are obtained by computing the distance between the original face surface and its reconstruction. Finally, these results are discussed referring to current computer-assisted reconstruction facial techniques. 相似文献
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How Do I Feel About Feelings? Emotion Socialization in Families of Depressed and Healthy Adolescents
Erin C. Hunter Lynn Fainsilber Katz Joann Wu Shortt Betsy Davis Craig Leve Nicholas B. Allen Lisa B. Sheeber 《Journal of youth and adolescence》2011,40(4):428-441
Emotional and cognitive changes that occur during adolescence set the stage for the development of adaptive or maladaptive
beliefs about emotions. Although research suggests that parents’ behaviors and beliefs about emotions relate to children’s
emotional abilities, few studies have looked at parental socialization of children’s emotions, particularly in families with
depressed adolescents. The present study examined associations between parent and adolescent meta-emotion philosophies (MEP),
defined as thoughts, reactions, and feelings about their own emotions. Additionally, adolescent depressive status was tested
as a moderator of relationships between parents’ and adolescents’ MEP. One hundred and 52 adolescents, aged 14–18 (65.8% female),
and their parents (148 mothers, 106 fathers) participated in a study on emotion socialization in families of depressed and
healthy adolescents. Depressed adolescents (n = 75) and matched healthy adolescents (n = 77) were recruited based on research criteria for mental health status. The sample was largely Caucasian (82%) and of middle
socioeconomic class status. Results indicated that mothers’ and fathers’ MEP about their children’s emotions were associated
with adolescents’ MEP, although parents’ MEP about their own emotions was unrelated to adolescents’ MEP. Fathers’ MEP about
children’s emotions made unique contributions to adolescents’ MEP across both adolescent groups. Adolescents’ depressive status
moderated the relationship between mothers’ and adolescents’ MEP such that mothers’ MEP was particularly relevant for depressed
adolescents. The continued influence of parents in the emotional lives of adolescents is discussed as well as differences
in emotion socialization in families with depressed and healthy adolescents. 相似文献
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Schubert CA Mulvey EP Lidz CW Gardner WP Skeem JL 《Journal of interpersonal violence》2005,20(5):632-646
To address several key questions in social science research, repeated interviews of individuals drawn from difficult populations are required. This article describes an approach for addressing the challenges associated with longitudinal interview studies, including locating research participants, obtaining reliable and valid interview data over time, and retaining participants across the course of the study. We applied this approach to conduct a study designed to identify changeable risk factors for violence among high-risk people with mental illness. To successfully conduct weekly interviews of these individuals in the community across a 6-month period, we developed a flexible and personalized interview format; carefully selected, trained, and supervised staff; and developed incentives to maximize participant retention. Each of these three steps is discussed as a guide for future longitudinal studies that involve interviewing difficult populations. 相似文献