Ching-Chen Chen (Counselor Education, School Psychology, and Human Services) served as lead author of the article "" published in the journal, Measurement and Evaluation in Counseling and Development. The article was written in collaboration with colleagues Chia-Liang Dai (Teaching and Learning), George Richardson (University of Cincinnati), and an international scholar Wei-Wen Chen (University of Macau, China). This study used multi-group structural equation modeling and cross-cultural data from late adolescence/young adulthood to test psychological individuation constructs for measurement as well as functional invariance via associations with mental illness and substance use.