12 likes, 0 comments - psychologsmagazine on May 7, 2026: "Celebrating the birth anniversary of Leon Festinger, one of the most influential social psychologists in history. His groundbreaking theories of cognitive dissonance and social comparison continue to shape our understanding of human behaviour, decision-making, and social influence even today. #LeonFestinger #SocialPsychology #CognitiveDissonance #Psychology #PsychologyStudent #MentalHealth #Behaviour #SocialComparison #PsychologicalTheory #PsychologyFacts #HumanBehaviour #EducationalContent #PsychologyPost #PsychologyResearch".