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The current article proposes a theoretical model of self-esteem called the Self-Organizing Self-Esteem (SOSE) model. The model provides an integrative framework for conceptualizing and understanding the intrinsic dynamics of self-esteem and the role of the context across 3 levels of development: The macro level, which is the level of trait self-esteem, the meso level, on which we find state self-esteem, and the micro level, which is the level of discrete self experiences. The model applies principles from the complex dynamics systems perspective to self-esteem, and can thus uniquely describe the underlying mechanism of self-esteem development based on self-organizational processes and interacting time scales. We compare the proposed SOSE model with a formalized account of the traditional approach to self-esteem, showing that the SOSE model is especially conducive to the understanding of self-esteem development in a way that the traditional approach is not—namely, in its ability to explain and predict the underlying dynamics of trait and state self-esteem, the meaning of variability, and the role of the context.

In various domains, experts are found to possess elaborate domain-specific representations they developed over years. In this study, we provide the first systematic attempt to characterise the short-term representations among individuals with different expertise levels. We showed videos of soccer game plays to expert, near-expert and non-expert soccer players and asked them to describe the actions taking place. Verbalisations were coded based on Fischer's Skill Theory. Monte Carlo permutation tests revealed that players with higher expertise constructed representations of higher complexity (regardless of their specific content). Taking the content of the representations into account, we found that higher expertise soccer players relatively more often included high complexity levels of actions not including the ball and (moving) players on the field. These findings improve our understanding of perceptual-cognitive expertise by demonstrating how actors with different levels of expertise integrate the information they perceive to construct their representations in real time.

This explorative study investigates differences in person perception abilities between a group of children diagnosed as having a Pervasive Developmental Disorder Not Otherwise Specified (PDDNOS) and a group of normal children of the same age and sex. Person perception, a social-cognitive skill, concerns the way in which children conceptualise other people, their intentions, attitudes, traits and emotions (central), as well as their overt behaviour and their physical characteristics (peripheral). Person perception was investigated by means of a free-person description, in which the child was asked to describe another person. Children with a PDDNOS used more peripheral and less central statements than the control group to describe another person. However, these differences seemed to reflect differences in intelligence between the two groups, rather than differences in a specific social-cognitive skill. The results need to be replicated, but seem to be in line with other studies that suggest that there may be subgroups of the autistic spectrum that show severe social impairment but have good social-cognitive abilities.