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He said that student-achievement data is only one component of the district's teacher-evaluation system, which relies heavily on principal observations.
WSJ: Seattle Teachers Protest Exams
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Some of the teachers boycotting the test there say they aren't opposed to using student-achievement data in evaluations but are unhappy with the current exam.
WSJ: Seattle Teachers Protest Exams
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The "Mona Lisa" experiment was transmitted at a slow data rate of about 300 bits per second, but the "pathfinding achievement sets the stage for ... high data rate laser-communication demonstrations that will be a central feature of NASA's next moon mission, the Lunar Atmosphere and Dust Environment Explorer, " said Goddard's Richard Vondrak, the orbiter's deputy project scientist.
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