Table 2.

Raw Score Means and Standard Deviations for Attention, Achievement, and Instructional Effectiveness Variables

Variable	Mean	SD	Item Range
Student-Level Measures (n = 432)
SWAN Attention Teacher Ratingsa	4.53	1.48	0-7 (4 = average)
Blending Wordsb	9.98	4.24	0-20
Elisionb	5.18	3.74	0-20
Phoneme Segmentation Fluencyc	34.18	14.41	0-72
Letter Naming Fluencyc	44.97	17.88	0-110
Letter Word Identificationd	23.12	7.19	0-76
Sight Word Efficiencye	15.91	13.51	0-104
Picture Vocabularyd	17.81	2.93	0-44
Teacher-Level Variables (n = 32)
Behavior Management System Use	2.47	.80	0-3
Individualized Instruction	1.66	.87	0-3
Task Orienting	2.34	.83	0-3
Teacher Re-directs for Off-task Behavior	2.34	.75	0-3

Note.

^aSWAN (Swanson et al., 2006)

^bComprehensive Test Of Phonological Processing (Wagner et al., 199)

^cDynamic Indicators of Basic Early Literacy Skills (Good & Kaminski, 2002)

^dWoodcock Johnson III (Woodcock et al., 2001)

^eTest of Sight Word Efficiency (Torgesen et al., 1999).