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RAND to Evaluate Cognitive Tutor by Carnegie Learning
by
deanmillot@mac.com
on Mon 09 Apr 2007 06:24 PM EDT | Permanent Link
| Cosmos
The
recently released Department of Education Study on technology driven
math programs may have helped to advance the state of the evaluation
art, but it confused any administrator or teacher considering any
particular tech-based math program.
Today's
announcement by RAND of a $6 million grant from the Department of
Education for a "gold standard" review of Cangegie Learning's Cognitive
Tutor is a welcome antidote, but industry leaders should not see it as
a chance to buy time or kick the political can of evaluation down the
road. The study is welcome, but it should also be mildly worrisome.
It is welcome in
that there should be adequate resources for a first-rate five year
review of the algebra software program. With similarly
well-financed studies of New American Schools' "whole school designs"
and Edison (both legacies of the late Tom Glennan), RAND has perhaps
the most extensive experience in the review of large-scale k-12 program
implementations offfered on a fee-for-service basis. Because RAND
will be comparing one math program (Cognitive Tutor) to doing nothing
rather than the whole category, we will all get actionable information.
Carnegie Learning epitomizes the research-driven firm every school improvement provider should strive to equal - it is as good a
proxy of the "industry" as we could hope .
What is worrisome is the cost.
If RAND and others associated with the $6 million study have added
bells and whistles to extend the state of the art, and believe that
evaluation costs will be driven down over time, o.k. And
RAND is notorious for its overhead and other internal "taxes" not going directly
to review the program in the classroom. But if this approximates the fees
providers' face, the school improvement industry has a very serious
problem on its hands. Carnegie may be getting a "free" review, but the
Department of Education is not going to bear the costs of evaluation for the whole industry.
If this proves
to be the standard cost of proving programmatic efficacy, the economics
of k-12 programs begin to resemble those of pharmeceuticals. The costs may be lower than drug tests, but the
potential revenues are vastly smaller. There may be "blockbuster"
drugs, but there are not likely to be blockbuster k-12 interventions.
A handful of
school improvement providers could underwrite the RAND evaluation
today. Not one firm could have afforded it when it was formed, except
perhaps Edison and Education Alternatives. Such a hurdle would
have not have killed the industry at birth, it would have prevented its
conception.
An FDA-like
program approval process (before "Fast Track") spells the end of
investment capital for most providers. Should the government come
to see this study as a template for the definition of
Scientifically Based Research (SBR), the school improvement industry
will only survive if it is absorbed by the publishing industry. But
publishers want to slow innovation down rather than speed it up. And
there are many opponents of high standards for all children who will
use the conumdrum as another excuse for dropping the whole school
improvement enterprise. It would be ironic if unreasonably high
expectations of evaluation proved to be the status quo's salvation.
Industry leaders
need to take an active role in the design of research and evaluation
standards for the industry. Evaluations must provide objective help to
decisionmakers, and to set some kind of a floor on what will be
permitted in the market. But the regime should encourage innovators in
a k-12 environment desperately short of innovation and dominated
by research-free programs that have shown no signs of efficacy.
New Education Economy® has examined a challenge that tends to be treated as if costs are irrelevant.
–––––––––––––––––––––––––––––––––
The U.S. Department of Education has awarded the RAND Corporation a $6
million grant to conduct a five-year study of the effectiveness of a
technology-based mathematics curriculum created by Carnegie Learning,
Inc., of Pittsburgh.
RAND researchers will examine the impact of Carnegie Learning’s
Cognitive Tutor Algebra I curriculum. The curriculum supplements
classroom instruction with a software program that adapts to individual
students’ understanding of algebraic concepts to improve their
problem-solving skills.... The grant to RAND is the largest available under the Department of
Education grant program for scientific assessment of academic courses....
The company's Cognitive
Tutor programs are currently used by more than 475,000 students in
1,300 school districts across the United States.... The math programs of Carnegie Learning are based on cognitive science
research at Carnegie Mellon University in Pittsburgh, where researchers
study how students think, learn and apply new knowledge in mathematics.... Carnegie Learning was
selected for the study because its Algebra I program is one of a few
math courses that meet the Department of Education’s grant requirement
for strong prior evidence of effectiveness.
RAND researchers will examine how students using the Carnegie Learning
curriculum fare on a standardized algebra assessment as compared with
peers who receive traditional classroom instruction..... Classrooms in participating school districts will be randomly assigned
to use either Carnegie Learning Algebra I or the school’s existing
Algebra I course. The new study will show whether the Cognitive Tutor
curriculum is effective for a wide range of students and environments.
“We are tremendously proud to be selected as the curriculum for this
important study,” said Dennis Ciccone, chief executive officer of
Carnegie Learning. “Our company was founded on the guiding principle
that research-based programs are the best tools to equip our teachers
and students for success in the classroom.... No Child Left Behind was established to measure effective teaching and
learning, and this study is a model for the accountability that we
believe will improve education in this country... We
welcome an honest and objective analysis of the effectiveness of our
curriculum as a means to better understand what we are doing well, and
how we can serve our students better.”
Press Release, April 9.
––––––––––––––––––––––––––––––––
One point for
the folks at Carnegie Learning. RAND is a "fair and balanced"
organization. Neverthless, many choices are made in the course of study
design and implementation that can affect study outcomes. And note that
RAND's client is the Department of Education, not Carnegie Learning -
and this can lead to awkward discussions around pivotal issues. Even a
$6 million study has resource limitations and a team with particular
stengths and weaknesses. These efffects only play on the margins, but
this editor will predict
that the study will not produce a "slam dunk" finding either way for
reasons that have more to do with client selection than anything else,
so
the margins will count. Carnegie's management has research experience,
but overreliance on it can be dangerous too. The firm would be very
well-advised to make a serious effort to interview leaders in the dozen
or so organizations that have gone through similar RAND evaluations for
"lessons learned" about the subject's role in "high stakes" third party
evaluations.
New Education Economy® Addressed RAND's review of Edison in October, 2005.
The outcome is one Carnegie wants to avoid.
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