魅影直播

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LEARN HOW 魅影直播 assessed mathematics and science achievement in 1999

魅影直播 1999 Released Item Sets
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LEARN HOW 魅影直播 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 魅影直播 measures trends in mathematics and science achievement and home and school variables
LEARN HOW 魅影直播 sampled schools and students

 


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