TABLE 1.

Descriptive statistics for reading fluency and reading comprehension measures in grades 2 and 6.

	N	Minimum	Maximum	Mean	SD	Skewness	Kurtosis
Grade 2
Word reading fluency task	1,458	3	58	24.75	7.39	0.46	0.11
Word-chain task	1,458	0	35	11.59	5.93	0.61	0.31
Sentence reading task	1,453	3	60	30.57	8.15	0.02	0.26
Reading comprehension	1,436	0	12	8.73	2.58	–0.79	–0.14
Grade 6
Word reading fluency task	1,820	10	80	47.22	10.94	0.00	0.00
Word-chain task	1,820	1	40	21.63	7.44	0.09	–0.36
Sentence reading task	1,822	4	62	30.61	7.38	0.15	0.28
Reading comprehension	1,821	0	12	7.15	2.55	–0.20	–0.59