Exploring Results of the NAEP: 1980s to the Present: Results of the long-term trend assessment (LTT) for middle-grades students show positive advancement

Autor:	Kloosterman, Peter, Rutledge, Zachary, Kenney, Patricia Ann
Zdroj:	Mathematics Teaching in the Middle School, 2009 Feb 01. 14(6), 357-365.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/41182697 Zobrazit plný text záznamu