id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
sx61dj55b9k	Elena V Malofeeva	A Meta-Analysis of Mathematics Instruction with Young Children	2007		.txt	text/plain	181	8	42	In addition, interventions including controlling task difficulty, additional explanations provided about taught concepts, sequencing activities, and small group games showed larger effect sizes than interventions not including these techniques. Weighted regression analyses indicated that such variables as the year of publication, sample size, whether a study was published or not, length of treatment, age, type of the control group, type of design, type of population employed, and percentage of attrition did not predict effect size estimates.	cache/sx61dj55b9k.txt	txt/sx61dj55b9k.txt