Cultural differences can complicate measurement of mental distress in different countries. For teenagers the problem is compounded by rapid developmental changes. Verhulst et al. (p. 1479) examined scores on the Youth Self-Report for adolescents in Australia, China, Israel, Jamaica, the Netherlands, Turkey, and the United States. The score for total problems varied little. For the subgroup of externalizing problems (e.g., delinquent behavior) the score also showed little variation, but culture had a medium effect on the difference in internalizing problems (e.g., anxiety/depression). In the majority of cultures, scores increased with age. Each country’s scores for individual problems significantly correlated with scores of each other country. Cross-cultural variation was greatest for thought problems (e.g., "I see things that other people think aren’t there") and smallest for aggressive behavior. Overall, the Youth Self-Report appears to be a simple, inexpensive means of assessing adolescents’ problems in diverse cultures.