id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
epaa-389	Paulson, Sharon E.; Marchant, Gregory J.	Background Variables, Levels of Aggregation, and Standardized Test Scores	2009	24	.pdf	application/pdf	10572	474	54	Volatility in school test scores: Implications for test-based accountability systems. In this multiple regression, demographic factors predicted 77% of the variability in district- level pass rates for high school students (R 2 = .77, p < .001), with Cognitive Skills and income both predicting unique proportions of variance.	cache/epaa-389.pdf	txt/epaa-389.txt