@article{4e4888aa2fc240f494eb060807c4e722,
title = "Assessment of Psychological Zone of Optimal Performance among Professional Athletes: EGA and Item Response Theory Analysis",
keywords = "DIF analysis, exploratory graph analysis, IRT, optimal performance, predictive validity, professional athletes, psychological zone",
author = "Bing Li and Cody Ding and Huiying Shi and Fenghui Fan and Liya Guo",
note = "Publisher Copyright: {\textcopyright} 2023 by the authors.",
year = "2023",
month = may,
doi = "10.3390/su15107904",
language = "English",
volume = "15",
journal = "Sustainability (Switzerland)",
issn = "2071-1050",
number = "10",
}