Not exact matches
«It seems every time she makes a statement, he follows through with what she has to say,» said Tedisco, who
added that while he and Nixon likely disagree on most issues, she is «right» to want to decouple the test
scores from the
teacher evaluations.
Adding to their frustration, parents said, is the state's controversial
teacher evaluation system, which links educators» performance to student test
scores.
This year alone, the groups saw major elements of their platforms come to pass, such as tying
teacher evaluations more closely to test
scores,
adding hurdles to earning tenure and increasing the number of charter schools, measures all unpopular with the unions.
Making
teacher evaluations more dependent on test
scores, reforming tenure and
adding charter schools in the city were all priorities of StudentsFirstNY and became significant pieces of the governor's agenda for the 2015 legislative session, which he announced in his State of the State speech on Jan. 21.
The Green Party candidate for Lieutenant Governor, Brian Jones, a
teacher and union member from New York City,
added strong criticism of the temporary moratorium on including student performance on Common Core - aligned test
scores in the state - mandated
teacher evaluation system until 2017.
When a
teacher posts high value -
added scores in reading and math, we say, «That's a good (or «highly effective»)
teacher.»
Teachers focused on resume virtues (
scores and value -
added measures) must look out for their own self - interest.
The New York Times reported that the study is the largest to address the controversial «value -
added ratings,» which measure the impact individual
teachers have on student test
scores.
A second study, recently published in the Proceedings of the National Academy of Sciences (PNAS) by Gary Chamberlain, using the same data as Chetty and his colleagues, provides fodder both for skeptics and supporters of the use of value -
added: while confirming Chetty's finding that the
teachers who have impacts on contemporaneous measures of student learning also have impacts on earnings and college going, Chamberlain also found that test -
scores are a very imperfect proxy for those impacts.
Reducing the number of students who contribute to a
teacher's value -
added score not only changes the chance that a
teacher will receive a particular rating; it also increases the likelihood that she will receive the wrong rating.
A
teacher in New York State is considered to be ineffective based on her students» test
score growth if her value -
added score is more than 1.5 standard deviations below average (i.e., in the bottom seven percent of
teachers).
One way to assess the potential impact on the fairness of the resulting
teacher ratings is to calculate the correlation between
teachers» value -
added scores with and without opt - out.
Opting out
adds noise to the data, which increases the amount of variability in the
teacher performance measures because each
teacher's
score is based on fewer students.
Eric Hanushek is interviewed by the Wall Street Journal about why
teachers» value -
added scores should be made public.
The public release of value -
added scores for 18,000 New York City
teachers last week should not be taken as a model for how to run the human resource departments of the schools.
Remarkably, there is no disagreement about the facts regarding volatility: the correlation in
teacher - level value -
added scores from one year to the next is in the range of.35 to.60.
Contrary to what Bill Gates argued in on the op - ed pages of the New York Times, the release of value -
added scores of
teachers is not a way of shaming the ineffective
teachers.
If a
teacher's apparent success was due to his or her students (and not to the
teacher's talent and skill), then we should not see
scores move when a particularly high value -
added (or low value -
added)
teacher moves between schools or grades.
A
teacher's contribution to a school's community, as assessed by the principal, was worth 10 percent of the overall evaluation
score, while the final 5 percent was based on a measure of the value -
added to student achievement for the school as a whole.
The most sophisticated approach uses a statistical technique known as a value -
added model, which attempts to filter out sources of bias in the test -
score growth so as to arrive at an estimate of how much each
teacher contributed to student learning.
In challenging the use of value -
added models as part of evaluation systems, the
teachers» unions cite concerns about the volatility of test
scores in the systems, the fact that some
teachers have far more students with special needs or challenging home circumstances than others, and the potential for
teachers facing performance pressure to warp instruction in unproductive ways, such as via «test prep.»
Because only about 15 percent to 30 percent of
teachers instruct in grades and subjects in which standardized - test -
score data are available, some states and districts have devised or
added additional tests.
Value -
Added Model (VAM): In the context of teacher evaluation, value - added modeling is a statistical method of analyzing growth in student - test scores to estimate how much a teacher has contributed to student - achievement gr
Added Model (VAM): In the context of
teacher evaluation, value -
added modeling is a statistical method of analyzing growth in student - test scores to estimate how much a teacher has contributed to student - achievement gr
added modeling is a statistical method of analyzing growth in student - test
scores to estimate how much a
teacher has contributed to student - achievement growth.
UnlikeBerry, though, Wilkins and her colleagueshave advocated for a value -
added approachthat relies largely on multiyear test
scores tomeasure
teacher effectiveness.
Also, there is a logic to using tests to devise a solution, because test
scores do predict later - life outcomes such as college - going and earnings; and important recent evidence from Stanford researcher Raj Chetty and colleagues shows that having a «high value -
added»
teacher — one who improves student test
scores — also positively predicts these outcomes.
Their
teachers have fewer credentials, less experience, lower value -
added scores, lower salaries, and worse attendance rates.
The authors next look at what would happen if the existing seniority - driven system of layoffs were replaced by an effectiveness - based layoff policy, in which
teachers are ranked according to their value -
added scores and districts lay off their least effective
teachers.
These results suggest either that the academic considerations parents value are better captured by principal ratings or that parents have difficulty observing how much value a
teacher adds to reading and math test
scores.
She could learn about his work linking value -
added measurement (VAM)
scores of
teachers to their students» long - term life outcomes
For the past three years, I have worked as a sixth - and seventh - grade math
teacher in Brooklyn, N.Y. I have had two value -
added scores published on the New York Times SchoolBook website which received the
scores from the New York City Department of Education through a Freedom of Information Act request.
Though Dillon mentions value -
added modeling, he says that the Gates researchers use it «as a starting point,» and spends most of the rest of the piece discussing their use of cameras to capture
teachers in action in the classroom — they hope to have 64,000 hours of classroom video by the end of the project and have already begun the process of looking for «correlations between certain teaching practices and high student achievement» and «
scoring» the lessons.
The Los Angeles Times has obtained seven years worth of test
scores for individual students and used them to calculate «value
added»
scores for over 6,000
teachers.
On Sunday, the L.A. Times ran its controversial analysis of
teacher value -
added scores in L.A. Unified School District (LAUSD).
Teachers in each school district are then ranked according to this value -
added score.
Commentary on «Great Teaching: Measuring its effects on students» future earnings» By Raj Chetty, John N. Friedman and Jonah E. Rockoff The new study by Raj Chetty, John Friedman, and Jonah Rockoff asks whether high - value -
added teachers (i.e.,
teachers who raise student test
scores) also have positive longer - term impacts on students, as reflected in college attendance, earnings, -LSB-...]
That is, if value -
added scores were the sole criteria used to make this decision, you're going to dismiss a small number of
teachers who would have become good or even possibly great.
Now, this is all within a pretty limited context of thinking about
teacher performance in terms of value -
added on student test
scores, and that could be missing a lot about what makes a
teacher great.
Teachers who join E4E are expected to support value -
added test -
score data in evaluations, higher hurdles to achieving tenure, the elimination of seniority - driven layoffs, school choice, and merit pay.
I worry that
teachers will avoid working in schools that are under - resourced and under - supported because this may limit their ability to receive high value -
added scores.
A year ago, Weingarten wrote: «In Florida, the system went completely haywire, giving
teachers value -
added scores for students they had never taught.»
The correlation between ratings by principals and the average test
scores of a
teacher's students is significantly higher than the correlation between ratings by principals and the
teacher's value -
added rating in reading (0.56 versus 0.32), though not in math.
This allows for the use of statistical models to estimate the total contribution — that attributable to both observable and unobserved
teacher attributes — of
teachers toward student test -
score gains (often referred to as «value
added»).
This component makes up 50 and 75 percent of the overall evaluation
scores in the districts we studied, and much less is known about observation - based measures of
teacher performance than about value -
added measures based on test
scores.
This statistical methodology introduced a new paradigm for predicting student academic progress and comparing the prediction to the contribution of individual
teachers (or value
added) as measured by student gain
scores.
Most
teachers work in grades or subjects in which standardized tests are not administered and therefore will not have a value -
added score.
The researchers assessed
teacher quality by looking at value -
added measures of
teacher impact on student test
scores between the 2000 — 01 and 2008 — 09 school years.
Last year, some 21 states and the District of Columbia opted to rank
teacher - preparation programs by measures of their graduates» effectiveness in the classroom, such as their value -
added scores.
Teachers who finished secondary school plus some teacher training added 16 points to students» math scores and 24 to science (compared with teachers who did not complete secondary edu
Teachers who finished secondary school plus some
teacher training
added 16 points to students» math
scores and 24 to science (compared with
teachers who did not complete secondary edu
teachers who did not complete secondary education).
Finally, value -
added scores on their own do not tell
teachers how they might improve their practice and thereby raise student achievement.
Jackson shows that
teachers» value -
added scores are only weakly correlated with their impacts on non-cognitive outcomes (absences, suspensions, and grades).