TY - RPRT TI - Permutation tests for detecting and estimating mixtures in task performance within groups. AU - Yungtai Lo AU - Steven Matthysse AU - Donald B Rubin AU - Philip S Holzman PY - 2002 DO - 10.1002/sim.1140 UR - https://pubmed.ncbi.nlm.nih.gov/12111898/ ID - 12111898 ER -