id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
WOS-000357579800003	Ni, YM	Principal Turnover: Upheaval and Uncertainty in Charter Schools?	2015		.txt	text/plain	238	11	48	The Aalen-Johansen estimator and discrete-time competing risk models are used to analyze principal turnover rates and transition patterns in charter schools in relation to those in traditional schools. Our analyses show that charter schools had a higher principal turnover rate than traditional schools and very different principal transition patterns.	cache/WOS-000357579800003.txt	txt/WOS-000357579800003.txt