U.S. National Research Center
Splintered Visions Overheads

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Mathematics Figures:

Number of mathematics topics intended
Number of mathematics topics added and dropped
Average intended mathematics topic duration
Average intended duration for selected mathematics topics
Number of mathematics topics intended at the TIMSS tested Populations
Common U.S. and international topics for Population 1 mathematics
Common U.S. and international topics for Population 2 mathematics
Common U.S. and international Population 1 mathematics performance expectations
Common U.S. and international Population 2 mathematics performance expectations
Number of mathematics textbooks topics
The five topics emphasized most in Population 1 mathematics textbooks
The five topics emphasized most in Population 2 mathematics textbooks
Textbook space devoted to major Population 2 mathematics performance expectations
Number of topics covered by grade 8 mathematics teachers
Number of periods grade 8 mathematics teachers covered specific topics
The five topics emphasized most by grade 8 mathematics teachers
Sample item on pedagogical beliefs for Population 2 mathematics teachers
Pedagogical approaches grade 8 mathematics chose in two pedagogical situations
Schematic overview of a Japanese Population 2 mathematics textbook
Schematic overview of a selection ffrom a U.S. Population 2 mathematics textbook
Grade 8 mathematics textbook performance expectations for 'Congruence and Similarity'
Number of activities used by grade 8 mathematics teachers in one period
Cumulative distribution of the number of activities used by grade 8 mathematics teachers in one period
Time grade 8 mathematics teachers reported having students do exercises or homework during class
Who are our closer peers in grade 8 mathematics?
 

Science Figures:

Number of science topics intended
Number of sceince topics added and dropped
Average intended science topic duration
Average intended duration for physical science topics
Number of science topics intended at the TIMSS tested Populations
Common U.S. and international topics for Population 1 science
Common U.S. and international topics for Population 2 science
Common U.S. and international Population 1 science performance expectations
Common U.S. and international Population 2 science performance expectations
Number of science textbook topics
The five topics emphasized most in Population 1 science textbooks
The five topics emphasized most in Population 2 science textbooks
Textbook space devoted to major Population 2 science performance expectations
Number of topics covered by grade 8 science teachers
Number of periods grade 8 science teachers covered specific topics
The five topics emphasized most by grade 8 science teachers 
Grade 8 science textbook performance expectations for 'Chemical Changes'
Cumulative Distribution of the Number of Activities Used by Grade 8 Science Teachers in One Period.
Who are our closer peers in grade 8 science?

Mathematics and Science Figures:

Grade 8 mathematics and science teacher awareness of curriculum-relevant documents
Number of hours per week scheduled for mathematics and science teachers
The ten topics most commonly taught in grade 8 mathematics and science