Investigating Measurement Invariance by Means of Parameter Instability Tests for 2PL and 3PL Models. Debelak, R. & Strobl, C. Educational and Psychological Measurement, 79(2):385–398, 2019.
doi  bibtex   
@article{debelak_investigating_2019,
	title = {Investigating {Measurement} {Invariance} by {Means} of {Parameter} {Instability} {Tests} for {2PL} and {3PL} {Models}},
	volume = {79},
	doi = {10.1177/0013164418777784},
	number = {2},
	journal = {Educational and Psychological Measurement},
	author = {Debelak, Rudolf and Strobl, Carolin},
	year = {2019},
	pages = {385--398},
}

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