TABLE 3.

Classification Accuracy Statistics for Reading Fluency Measures Predicting Reader Classification on the Texas Assessment of Knowledge and Skills Reading Comprehension Test at Grades 6 to 8^a,^b

Measure and Benchmark	False-Positive Rate	False-Negative Rate	Sensitivity	Specificity	Positive Predictive Rate	Negative Predictive Rate	Overall Classification Accuracy
25th Percentile ORF	0.07	0.73	0.27	0.93	0.83	0.52	0.58
50th Percentile ORF	0.33	0.34	0.66	0.67	0.70	0.63	0.66
75th Percentile ORF	0.71	0.09	0.91	0.29	0.60	0.74	0.63
25th Percentile Maze	0.14	0.65	0.35	0.86	0.75	0.53	0.59
50th Percentile Maze	0.34	0.37	0.63	0.66	0.68	0.60	0.64
75th Percentile Maze	0.63	0.16	0.84	0.37	0.61	0.67	0.62
25th Percentile TOSREC	0.10	0.63	0.37	0.90	0.81	0.55	0.62
50th Percentile TOSREC	0.34	0.29	0.71	0.66	0.71	0.67	0.69
75th Percentile TOSREC	0.61	0.08	0.92	0.39	0.64	0.80	0.67
25th Percentile TOSCRF	0.13	0.65	0.35	0.87	0.76	0.54	0.59
50th Percentile TOSCRF	0.36	0.37	0.63	0.64	0.67	0.60	0.63
75th Percentile TOSCRF	0.85	0.33	0.67	0.15	0.40	0.34	0.39
TAKS 2006 Readinga	0.38	0.18	0.82	0.62	0.55	0.86	0.69

Note. n = 1,421. ORF = Oral Reading Fluency Curriculum-Based Passage Fluency; Maze = AIMSweb Maze Curriculum-Based Measure; TOSREC = Test of Silent Reading Effiency and Comprehension; TOSCRF = Test of Silent Contextual Reading Fluency.

^aBased on 2,150 Scale Score.

^bBase rate = 0.55.