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The ARC Tri-State Student Achievement Study
By the ARC Center
In http://www.arccenter.comap.com
ABSTRACT (from site): The ARC Center, an NSF-funded project located at COMAP, Inc., in Lexington,
Massachusetts, has recently completed a study of reform mathematics programs
in elementary schools in Massachusetts, Illinois, and Washington state. The
study examined the performance of students using the three elementary programs
supported by the ARC Center - Math Trailblazers; Investigations in Number, Data,
and Space; and Everyday Mathematics - on state-mandated standardized tests administered
in spring 2000. The study included over 100,000 students, 51,340 students who
had studied one of the three reform curricula for at least two years and 49,535
students from non-using comparison schools rigorously matched by reading level,
socioeconomic status, and other variables. Small differences remaining between
the reform schools and the matched comparison schools were further controlled
by adjustments based on regression analyses. Usage of the reform curricula was
verified by a telephone survey of schools and districts. Results show that the
average scores of students in the reform schools are significantly higher than
the average scores of students in the matched comparison schools. These results
hold across all racial and income subgroups. The results also hold across the
different state-mandated tests, including the Iowa Test of Basic Skills, and
across topics ranging from computation, measurement, and geometry to algebra,
problem solving, and making connections. The study compared the scores on all
the topics tested at all the grade levels tested (Grades 3-5) in each of the
three states. Of 34 comparisons across five state-grade combinations, 28 favor
the reform students, six show no statistically significant difference, and none
favor the comparison students. A full report will be available from the ARC Center at COMAP by fall 2002.
A full report will be available from the ARC Center at COMAP by Fall 2002. Directions
for obtaining the report will be announced on the ARC Center website.
Go to abstract (including summary data) or get the PDF version. (Info on PDF)
www.MathematicallySane.com
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