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School Nonresponse Adjustment for the 2006 Assessment



Development of Initial School Nonresponse Cells

Development of Final School Nonresponse Cells

School Nonresponse Adjustment Factor Calculation

The school nonresponse adjustment procedure inflates the weights of cooperating schools to account for eligible noncooperating schools for which no substitute schools participated. The adjustments are computed within nonresponse cells and are based on the assumption that the cooperating and noncooperating schools within the same cell are more similar to one another than to schools from different cells. Nonresponse cells were defined separately for each grade and session type. Exactly how nonresponse cells were defined in these samples varied for public and private schools.

Last updated 31 August 2009 (JL)

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National Center for Education Statistics -
U.S. Department of Education