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The present work aims to offer a theoretical and methodological approach on self-presentation in cyberpsychology. The study of this phenomenon, of interest to multiple disciplines, includes a wide spectrum of definitions, theoretical models and evaluation methods that require review. First, the origin and differentiation of the term selfpresentation from other related terms is examined. Next, a theoretical journey is made on the concept of self-presentation and the main models used to explain and address this phenomenon. Finally, the different methodologies used in research are presented, their advantages and limitations when applied in the evaluation of online selfpresentation. [ABSTRACT FROM AUTHOR]

One of the greatest challenges when dealing with anxiety is to adequately define what this construct encompasses. The purpose of this work is to review the construct of anxiety from the viewpoint of psychology, in order to contribute to its delimitation. In the first place, the origin of the term is examined and discriminated from other closely related or coinciding terms such as anguish, fear, and stress. In the second place, it is carried out a historical review of anxiety as a concept and its evolution in psychology up to multidimensional conceptualizations. Finally, by adopting the cognitive theory of anxiety as a theoretical framework (Clark & Beck, 2012), the construct is delimited and a distinction is made among normal anxiety, pathological anxiety, and anxiety as a personality trait. [ABSTRACT FROM AUTHOR]