Aggression as a Psychological Phenomenon and Its Theoretical Foundations

Aggression is a complex and multifaceted psychological phenomenon that impacts interpersonal relationships and social stability. Despite extensive theoretical research, varying interpretations of its nature, forms, and motivations challenge practical psychological interventions addressing aggressive behaviors. This research focuses on aggression as a psychological phenomenon and the theoretical frameworks used to understand it, alongside related concepts such as "aggressive behavior," "aggressiveness," and "hostility." The primary aim was to systematize and critically analyze key theoretical approaches to aggression, identifying core psychological mechanisms and motivational factors underlying human aggressive tendencies. Additionally, the research sought to propose an integrative definition of aggression suitable for guiding empirical investigations and practical prevention and intervention strategies. Aggression was posited to differ significantly from related constructs and to be conceptualized as a multi-level structure encompassing functional and motivational components. The study employed a theoretical and methodological analysis of scientific publications to identify the key components of aggression, define its terminological scope, and systematize approaches to its understanding. Initially, publications were selected through a straightforward keyword search using terms such as “aggression” and “aggressive behavior,” after which the selected articles underwent direct content analysis. The authors analyzed both classical and contemporary concepts of aggression, identified the diversity of its forms, and formulated clear distinctions among the terms “aggression,” “aggressiveness,” “aggressive behavior,” as well as “anger” and “hostility.” A classification of approaches to understanding the mechanisms of aggression was also proposed, integrating not only psychological and biological concepts but also incorporating the application of ecological perspectives to this phenomenon. Furthermore, the article presented an integrative definition of aggression as a psychological phenomenon that takes into account its biological, psychological, and social determinants. The developed classification broadens the conceptual framework for understanding the phenomenon, while the formulated definition opens avenues for in-depth empirical research, the development of diagnostic tools, and the creation of prevention and intervention programs targeting aggressive behavior within contemporary sociocultural contexts.