http://www.nytimes.com/2010/12/04/education/04teacher.htmlTeacher Ratings Get New Look, Pushed by a Rich Watcher
By SAM DILLON
... Bill Gates, who in recent years has turned his attention and considerable fortune to improving American education, is investing $335 million through his foundation to overhaul the personnel departments of several big school systems... For teachers, the findings could mean more scrutiny. But they may also provide more specific guidance about what is expected of the teachers in the classroom if new experiments with other measures are adopted — including tests that gauge teachers’ mastery of their subjects, surveys that ask students about the learning environments in their classes and digital videos of teachers’ lessons, scored by experts. “It’s huge,” said Deborah Loewenberg Ball, dean of the University of Michigan School of Education. “They’re trying to do something nobody’s done before, and do it very quickly.”...
Mr. Gates is tracking the research closely. The use of digital video in particular has caught his attention. In an interview, he cited its potential for evaluating teachers and for helping them learn from talented colleagues. “Some teachers are extremely good,” Mr. Gates said. “And one of the goals is to say, you know, ‘Let’s go look at those teachers.’ What’s unbelievable is how little the exemplars have been studied. And then saying, ‘O.K., How do you take a math teacher who’s in the third quartile and teach them how to get kids interested — get the kid who’s smart to pay attention, a kid who’s behind to pay attention?’ Teaching a teacher to do that — you have to follow the exemplars.”...
The meticulous scoring of videotaped lessons for this project is unfolding on a scale never undertaken in educational research, said Catherine A. McClellan, a director for the Educational Testing Service who is overseeing the process. By next June, researchers will have about 24,000 videotaped lessons. Because some must be scored using more than one protocol, the research will eventually involve reviewing some 64,000 hours of classroom video. Early next year, Dr. McClellan expects to recruit hundreds of educators and train them to score lessons.
Teachscape, a contractor providing cameras, software, and other services for the research, estimated first-year startup costs of about $1.5 million for a district with 140 schools and 7,000 teachers to buy one camera per school and lease the software to carry out classroom observations using digital video. In addition to the cost — which many struggling districts may consider too high — another barrier could be teacher opposition. The Memphis teachers union has partnered with the foundation for the project. But Keith Harris, its president, said the use of videotaped observations in evaluations raised troubling questions. “Whose eyes would see these videos?” Mr. Harris asked. “Who would own them? This seems like an ‘I gotcha’ kind of thing. We think these observations deserve a human being.” Randi Weingarten, president of the American Federation of Teachers, also expressed reservations. “Videotaped observations have their role but shouldn’t be used to substitute for in-person observations to evaluate teachers,” Ms. Weingarten said. “It would be hard to justify ratings by outsiders watching videotapes at a remote location who never visited the classroom and couldn’t see for themselves a teacher’s interaction and relationship with students.”...
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