Pancultural nostalgia in action: Prevalence, triggers, and psychological functions of nostalgia across cultures.
Level 2 - randomized trial
Multi-site randomized controlled experiment with cross-cultural survey measures
PubMed 38252088 · doi:10.1037/xge0001521
What was done
Researchers assessed dispositional nostalgia, self-reported triggers, and psychological functions of experimentally induced nostalgia across 2,606 young adults in 28 countries and Hong Kong. Participants were assigned to recall either a nostalgic memory or an ordinary memory, after which psychological outcomes including affect, social connectedness, self-continuity, meaning in life, and state life satisfaction were measured across varying national development and climatic contexts.
What was found
The abstract reports no exact numerical values, effect sizes, or p-values. Nostalgia was reported as frequently experienced across cultures, though valued more in nations with higher wealth and life expectancy. Reported triggers varied by context: psychological threats were more prominent in warmer countries, sensory stimuli in more developed countries, and social gatherings in less developed countries. Experimentally, recalling a nostalgic memory versus an ordinary memory increased social connectedness, self-continuity, and meaning in life across all sampled cultures. In less-developed countries, ordinary memory recall also conferred some psychological benefits, reducing the relative effect size of nostalgia, while nostalgia specifically augmented state life satisfaction in countries with lower quality-of-living indicators.
Why it matters
The study extends nostalgia research beyond Western samples, showing that while nostalgia operates as a broadly universal psychological resource for social connection and meaning, national conditions moderate its triggers and relative efficacy.
Limits
The abstract provides no numerical data, confidence intervals, or statistical test parameters. The sample was restricted to young adults, limiting generalizability across age groups. Measures of triggers relied on self-report, and country-level differences were analyzed ecologically.