From Cognitive Dissonance to Cognitive Resonance: A Sociological Framework for Psychological Alignment in the Algorithmic Age

Leon Festinger’s theory of cognitive dissonance (1957) has long served as a cornerstone in understanding psychological conflict arising from contradictory beliefs and behaviors. However, in the algorithmic era, where personalized content delivery reinforces pre-existing attitudes, the traditional dissonance framework no longer fully accounts for cognitive and behavioral processes in digital environments. This paper introduces cognitive resonance as a complementary and, in some aspects, a competing framework that explains how algorithmic content personalization fosters passive psychological alignment rather than internal conflict. This study systematically compares cognitive dissonance and cognitive resonance, examining their theoretical similarities and key differences in modern media environments, ranging from the analog information flow of the 1950s to today’s algorithm-driven digital ecosystems. Through a qualitative analysis of military recruitment campaigns and strategic communication efforts, the research highlights how personalized content enhances psychological harmony, reinforcing attitudes and shaping behaviors in ways that dissonance theory fails to capture. The findings of this study provide valuable insights into the role of digital media in societal polarisation, the spread of misinformation, and strategic audience engagement. The proposed cognitive resonance framework contributes to a deeper understanding of how belief systems are shaped and sustained in the digital age, offering insights applicable beyond military marketing to broader strategic communication practices.