Not exact matches
High stakes associated with the
tests will inevitably distort
student scores and the assignment
of students to teachers, worsening the
measurement problem.
These new systems depend primarily on two types
of measurements:
student test score gains on statewide assessments in math and reading in grades 4 - 8 that can be uniquely associated with individual teachers; and systematic classroom observations
of teachers by school leaders and central staff.
I would welcome the opportunity to determine who on my staff would receive differentiated pay, especially if value - added
student achievement and standardized
test scores are tracked as a part
of the
measurement.
Attention to
test scores in the value - added estimation raises issues
of the narrowness
of the
tests,
of the limited numbers
of teachers in
tested subjects and grades,
of the accuracy
of linking teachers and
students, and
of the
measurement errors in the achievement
tests.
The results will guide
measurement professionals, educators, families,
students, and elected officials in (1) decisions on introducing computer - adaptive and computer - based
testing, (2) interpretation
of scores, and (3) establishing when and under what conditions to avoid marrying
testing with computer technology.
For example, if a
student scores an 84 on a
test that has a standard error
of measurement of three, then his or her performance level could be as low as 81 or as high as 87.
A New York high school
student who received a lower
score on the SAT because
of errors in grading the October 2005
test plans to sue the College Board, the sponsor
of the exam, and Pearson Educational
Measurement, the company that
scored it, lawyers say.
The agreement includes the use
of individual
student test scores as a part
of the review process — a
measurement that has been championed...
This is why, in our modeling efforts, we do massive multivariate, longitudinal analyses in order to exploit the covariance structure
of student data over grades and subjects to dampen the errors
of measurement in individual
student test scores.
Teachers and administrators alike had been anxiously waiting for more details about the evaluations since Gov. Chris Christie signed a new tenure law that permits them to be evaluated, at least in part based on their
students»
test scores and other
measurements of achievement.
As we've heard from a number
of parents and educators, some are hesitant to have
test scores from the early years
of PARCC factor, even minimally, into
measurements of student achievement and teacher evaluations.
Accordingly, and also per the research, this is not getting much better in that, as per the authors
of this article as well as many other scholars, (1) «the variance in value - added
scores that can be attributed to teacher performance rarely exceeds 10 percent; (2) in many ways «gross»
measurement errors that in many ways come, first, from the
tests being used to calculate value - added; (3) the restricted ranges in teacher effectiveness
scores also given these
test scores and their limited stretch, and depth, and instructional insensitivity — this was also at the heart
of a recent post whereas in what demonstrated that «the entire range from the 15th percentile
of effectiveness to the 85th percentile
of [teacher] effectiveness [using the EVAAS] cover [ed] approximately 3.5 raw
score points [given the
tests used to measure value - added];» (4) context or
student, family, school, and community background effects that simply can not be controlled for, or factored out; (5) especially at the classroom / teacher level when
students are not randomly assigned to classrooms (and teachers assigned to teach those classrooms)... although this will likely never happen for the sake
of improving the sophistication and rigor
of the value - added model over
students» «best interests.»
In 2000, a
scoring error by NCS - Pearson (now Pearson Educational
Measurement) led to 8,000 Minnesota
students being told they failed a state math
test when they did not, in fact, fail it (some
of those
students weren't able to graduate from high school on time).
Popham urges the adoption
of purposeful educational assessment, a
measurement approach in which
tests are built and appraised according to their one primary purpose, be it to compare
student test scores, improve instruction and learning, or evaluate learning.
This detailed information about
student academic growth should be used instead
of AGT
scores or any other
measurements based on a single
test, as teachers and administrators seek to use data to inform best practices that will improve
student achievement;» [emphasis ours]
Schools and districts receive a
score on a scale
of 0 to 100 based on
student reading and math
test scores and growth, closing
of achievement gaps between
student subgroups, and various
measurements of postsecondary readiness.
Unfortunately, some education advocates in New York, Los Angeles and other cities are claiming that a good personnel system can be based on ranking teachers according to their «value - added rating» — a
measurement of their impact on
students»
test scores — and publicizing the names and rankings online and in the media.
The districts are still determining how to weigh different
measurements of student performance, such as
test scores.
Schools and districts receive a
score on a scale
of 0 to 100 based on
student reading and math
test scores and growth, closing
of achievement gaps between
student subgroups, and various
measurements of post-secondary readiness.
Via The Los Angeles Times By the Editorial Board A new study out
of USC and the University
of Pennsylvania finds that value - added
measurements — a way
of using
student test scores to evaluate teacher performance — aren't a very good way
of judging teacher quality.
Computerized adaptive
tests require the following components: a pool
of questions to draw from, calibrated to a common
measurement scale; a mechanism to select questions on the basis
of the
student's responses; a process to
score the
student's responses; a process to terminate the
test; and reports that relate
scores to the
student's instructional needs.
The research supports one conclusion: value - added
scores for teachers
of low - achieving
students are underestimated, and value - added
scores of teachers
of high - achieving
students are overestimated by models that control for only a few
scores (or for only one
score) on previous achievement
tests without adjusting for
measurement error.
We estimate the overall extent
of test measurement error and how this varies across
students using the covariance structure
of student test scores across grades in New York City from 1999 to 2007.
Teachers can also draw on their evaluations,
test scores,
measurements of student engagement, and other indicators
of student, teacher, and team success.
For now, the state will continue the problematic strategy
of giving teachers «value added
measurement» (VAM)
scores based on their
students»
test results — despite widespread evidence that VAM
scores are both unreliable and unfair.
At the school level, value - added means essentially the same thing — the
measurement of how well a school purportedly grew its
students from one year to the next, when
students» growth in
test scores over time are aggregated beyond the classroom and to the school - wide level.
Edward Franz: Well, the education industry is rapidly transforming with the
measurement of student performance — with standardized
test scoring, you know, as the big focus.