Changes in science performance, 1969-73
Subtitle: exercise volume : appendix
By: National Assessment of Educational Progress.
Contributors: National Center for Education Statistics.
Series: Science Reports ; no. 04-S-20
Publisher: Dept. of Health, Education, and Welfare, Education Division, National Center for Education Statistics : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1977
Place of publication: Washington
Language: eng
Subjects: Education -- United States -- Curricula.; Science -- Ability testing.
Genres: Curricula.
Notes: Contract agency: National Center for Education Statistics.

Issued April 1977.