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Prevalence Rates of Academic Impairment in Reading, Mathematics, and Written Expression
| Underachievement Model | Discrepancy Model | |||
|---|---|---|---|---|
|
| ||||
| Academic Domain | Total Students | Percent of Sample | Total Students | Percent of Sample |
| Reading | 79 | 24.3 | 55 | 17.0 |
| Mathematics | 118 | 36.3 | 80 | 24.7 |
| Written Expression | 73 | 22.4 | 56 | 17.2 |
| Number of Impaired Domains | -- | -- | -- | -- |
| None | 174 | 53.5 | 198 | 60.7 |
| One | 72 | 22.1 | 71 | 21.8 |
| Two | 39 | 12.0 | 30 | 9.5 |
| Three | 40 | 12.3 | 19 | 6.0 |
