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A random subsample of selected schools determines which schools NAEP representatives monitor during the assessment field period. This subsample enables reliable comparisons between sessions administered with and without monitoring.
The monitoring rate for each participating jurisdiction depends whether or not the jurisdiction took part in an earlier state assessment. Jurisdictions participating in earlier state assessments have a 25 percent school monitoring rate, while jurisdictions new to state assessments have a 50 percent school monitoring rate.
Monitoring assignment starts first by sorting all sampled schools in the following order:
jurisdiction,
sample type (S2 or S3), and
school identification number.
A systematic sample, determined by the jurisdiction's school monitoring rate, assigns monitoring status (monitored or not monitored) to the sorted schools.
For the 2000 state assessment, American Samoa had a 50 percent school monitoring rate. All other participating jurisdictions had a 25 percent school monitoring rate.