id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
epaa-147	Darling-Hammond, Linda; Holtzman, Deborah J.; Gatlin, Su Jin; Vasquez Heilig, Julian	Does teacher preparation matter? Evidence about teacher certification, Teach for America, and teacher effectiveness	2005	51	.pdf	application/pdf	19446	853	54	In each set of estimates, conducted at the individual student level, we controlled for prior year test scores, student race/ethnicity, poverty, and language status; teacher years of experience and degree level; class size and class average previous year’s test score; and school demographics (the percentages of students who were African American, Hispanic, and those eligible for free/reduced price lunch). Equations control for student’s previous year’s test score, student race/ethnicity, free/reduced price lunch status, and LEP status; teacher years of experience, degree level, certification date unknown; class number of students, class average previous year’s test score, school demographics (racial/ethnic composition and poverty).	cache/epaa-147.pdf	txt/epaa-147.txt