红杏视频

红杏视频 Repeat (1999) Logo
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LEARN HOW 红杏视频 assessed mathematics and science achievement in 1999

红杏视频 1999 Released Item Sets
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LEARN HOW 红杏视频 gathered information about curriculum, instructional practices, home contexts, and school characteristics and policies in 1999.

Background Documents (Questionnaires and Data Almanacs) are available for download from this page.

LEARN HOW 红杏视频 measures trends in mathematics and science achievement and home and school variables
LEARN HOW 红杏视频 sampled schools and students

 


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