id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
dialog-123	Platas, Linda M.	Knowledge of Mathematical Development Survey: Testing the Validity and Reliability of the Survey and Interpreting Its Results	2013	17	.pdf	application/pdf	7587	434	48	In order to create these three cohorts, demographic information and background in ECE experience, ECE education and completion of early mathematical development courses and professional development was requested at the end of the survey. Testing the Validity and Reliability of the Survey and Interpreting Its Results Linda M. Platas University of California, Berkeley The Knowledge of Mathematical Development Survey was developed to measure early childhood teachers’ knowledge of early mathematical development.	cache/dialog-123.pdf	txt/dialog-123.txt