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Regarding the fact that gay men leave less offspring than straight men, it is appropriate to raise a question by which means is male homosexuality maintained in a population and what could eventually be its evolutionary role. The aim of this paper is to summarize theories that try to explain male homosexuality within the framework of evolution. Furthermore, it aims to critically evaluate the results of empirical research that support particular theories or give evidence against them. In the first part, the paper provides a review of knowledge about the genetic and immunological origins of male homosexuality which consequently serves as a theoretical base for the main part of the paper that pursues the five most influential evolutionary theories of male homosexuality. [ABSTRACT FROM AUTHOR]

Emerging adulthood is considered to be a transitional developmental period between adolescence and adulthood. The paper focuses on key features of this period which are exploration of identity, experimentation, instability, self-focus and focus on others. The scope of their subjective experience and relations of these features to coping strategies with stressful situations were studied in an empirical research. The research sample involved 486 university students of Masaryk University in Brno (237 males, 249 females) with mean age 21.8. The features of emerging adulthood were measured by The IDEA Scale; coping strategies were measured by The Brief COPE. The results especially emphasized the importance of experimentation, self-focus and exploration of identity. The significant connections between features of emerging adulthood and coping strategies were gained. Experimentation and self-focus strongly correlated with orientation to problem solving, identity exploration particularly correlated with support seeking. Substantial differences between males and females were not observed. [ABSTRACT FROM AUTHOR]

The paper reflects on psychological research on spirituality. It takes issue with the purpose of such research and with psychological definitions of spirituality. It deals with the question what type of psychology is required, and makes some recommendations for empirical research. [ABSTRACT FROM AUTHOR]