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December 22, 2008
NYU's Tobias on city school trends since 2002: It's no miracle
One highlight of the mayoral control panel put together by the parent commission Friday night was testimony by Robert Tobias, the former city testing czar and now New York University professor. Tobias has often been quoted expressing concerns that the Bloomberg administration inflates its record of educational improvement. But the analysis Tobias presented Friday, explaining exactly what progress he thinks happened ("real" improvements in math) and what he thinks did not (any narrowing of a longstanding gap between the state and city students' scores on reading tests), was the most succinct summary I've ever heard him deliver — not to mention a striking counterpoint to the sanguine evaluations of Chancellor Joel Klein, Mayor Bloomberg, and even Caroline Kennedy. Here's what Tobias said: Tobias also tempered the fact of the improvements in math scores with a warning about score inflation, the phenomenon by which test-prepping, in his words, can "undermine" the meaningfulness of the test as an indicator of what students know, versus how well they have been prepped. (Harvard Graduate School of Education's Daniel Koretz has written the most on score inflation that I know of. For more on the topic, see this story I wrote for the Sun and these posts by Eduwonkette.) Tobias's remarks on score inflation are below the jump. Thanks to David Bellel for sending me the video.
October 28, 2008
Coming soon: NAEP results on state and city report cards
States and school districts will have to revise their accountability reports to include scores on a national test known as the nation’s report card, the…
October 14, 2008
Knowledge is power, Cerf tells NPR
Yesterday, Margot Adler reported on New York’s new Teacher Data Reports for Morning Edition: “The whole notion of having standards and assessments…
August 6, 2008
Exploring two measures of student progress…
Mind the gap, <em>by ##http://www.flickr.com/photos/mwichary/2506936869/##Marcin Wichary##</em> The internet has seen a flurry of activity recently over the DOE's claim that it has reduced the achievement gap between black and Hispanic students and their white and Asian peers. Testing that claim, the New York Sun submitted the ELA and math scale score data for students in grades 3-8 to three independent analysts, who concluded that the gap has decreased in ELA, but has stayed flat since 2002 in mathematics, confirming much of Eduwonkette's analysis. The new analysis emphasizes the difference between closing the proficiency gap by comparing the percentage of students who score at a level 3 or 4 on state tests, and closing the achievement gap by comparing mean scale scores.
August 5, 2008
Joel Klein doesn't believe in statistical significance?!
I have to take issue with Klein’s dismissal of statistical significance, as reported by the Sun: The National Center for Education Statistics also…
August 4, 2008
New charter schools on the way…
A $16.6 million federal grant will fund the development and support of new charter schools in New York State, the US Department of Education announced in July. The grant, from the Department's Charter School Program, will be used primarily to create and support secondary-level charter schools. Today is the postmark deadline for the current round of applications for the planning and implementation of new charter schools. Mayor Bloomberg and Chancellor Klein have long pushed for the creation of more charter schools, successfully convincing the state legislature to increase the number of charters granted from 100 to 200 in April, 2007. Half of the new charters are reserved for New York City. Even that limit may be short-lived; Governor Paterson reportedly told members of the Alliance for School Choice advocacy group that he supports lifting the cap on charters altogether. Approximately 18,000 students attend New York City's 60 charter schools, with thousands more students on waiting lists, according to the DOE. In response to this demand, eighteen new charter schools will open across the city this fall, with seven in the Bronx, five in Brooklyn, five in Manhattan, and one in Queens. The schools have a wide variety of institutional partners, including Victory Schools, adding two new charters to their six existing schools throughout the city, and the Success Charter Network, expanding from one to four schools in Harlem. The new charters, once they reach full capacity, will include six elementary schools, seven combined elementary-middle schools, one combined middle-high school, two high schools, and two K-12 schools. Most existing New York City charter schools serve elementary and middle school students.
July 24, 2008
Reading between the lines on test score reporting
test books by menlophoto From the Washington Post, a glaring example of why it’s so important for educators, parents, and concerned citizens to turn…
June 23, 2008
NYC students post double-digit test gains; statisticians are dubious
No one was surprised when Chancellor Klein announced today that the city's students posted dramatic gains on state test scores this year. Charting a clear trajectory of improvement has been fundamental to his reforms. This year, he announced, nearly 80 percent of 4th graders and 60 percent of 8th graders passed the state math test, and about 60 percent of 4th graders and 40 percent of 8th graders passed the state English test. Gains in the last six years, the DOE points out in its press release, range from about 15 points in 8th grade English to more than 30 points on math tests at all levels. Even before the mayor made his announcement this afternoon, discussion had begun over whether this year's test scores are a sign of victory, as the mayor believes, or of score inflation and manipulation. In today's Sun, Elizabeth Green speaks to statisticians who warn that, for many reasons, large-scale score increases are not always to be believed.
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