Rockwood N. Efficient likelihood estimation of generalized structural equation models with a mix of normal and nonnormal responses. Psychometrika. 2021 Jun;86(2):642-67. doi: 10.1007/s11336-021-09770
Rockwood NJ. Maximum likelihood estimation of multilevel structural equation models with random slopes for latent covariates. Psychometrika. 2020 Jun;85(2):275-300. doi: 10.1007/s11336-020-09702-9
Mordin M, Anastassopoulos K, van Breda A, Vallow S, Zhang M, Gargiulo K, Hewitt D, Olson W, Sikirica V. Clinical staff resource use with intravenous patient-controlled analgesia in acute postoperative pain management: results from a multicenter, prospective, observational study. J Perianesth Nurs. 2007 Aug 1;22(4):243-55.
Yung YF, Thissen D, McLeod LD. On the relationship between the higher-order factor model and the hierarchical factor model. Psychometrika. 1999 Jun;64:113-28.