>>I believe that art can produce lots of hard data. It depends how you
>>define what you are looking for.<<
The question is how does art impact math scores?
I would hold suspect any hard data that points to art making math test
scores rise. There are too many factors within a school to isolate art as
the component that made scores rise.
TETAC studied this in 36 sites across the United States for a period of five
years. While art learning improved, it could not be empathetically reported
that art contributed to higher test scores in any other content area.
Our best effort is to show that the arts generally improve critical thinking
skills. It should therefore stand to reason that better developed critical
thinking skills in art will naturally transfer to other content areas. Data
to support this supposition comes in the form of SAT tests when students who
have had arts classes in high school score higher than those who did not
have arts classes.