Assessing meaningful within-person variability in Likert-scale rated personality descriptions: An IRT tree approach

• Main Authors: LANG, Jonas W. B., LIEVENS, Filip, DE FRUYT, Filip, ZETTLER, Ingo, TACKETT, Jennifer L.
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2019
• Subjects: Variability; flux; adaptability; psychometrics; tree models; Psychology
• Online Access: https://ink.library.smu.edu.sg/lkcsb_research/6424; https://ink.library.smu.edu.sg/context/lkcsb_research/article/7423/viewcontent/assessing_meaningful_within_person__1_.pdf
• Institution: Singapore Management University

Personality researchers and clinical psychologists have long been interested in withinperson variability in a given personality trait. Two critical methodological challenges that stymie current research on within-person variability are separating meaningful within-person variability from 1) true dif...