About the Assessment: Types of Accommodations

Students assessed with accommodations typically received some combination of accommodations. In contrast to earlier assessment years in which students were only counted once in the category reflecting the primary accommodation provided, students were counted in the categories for each accommodation they received in 2009. For example, students assessed in small groups (as compared with standard NAEP sessions of about 30 students) were also usually given extended time and are included in counts for both groups.

Percentage of eighth-grade public and nonpublic school students identified as students with disabilities (SD) and/or English language learners (ELL) assessed in NAEP science with accommodations, by SD/ELL category and type of accommodation: 2009
Type of accommodation	SD and/or ELL	SD	ELL
Bilingual book	0.1	#	0.1
Bilingual dictionary	0.5	#	0.5
Large-print book	#	#	#
Extended time	8.6	7.4	1.6
Read aloud	4.5	4.1	0.7
Small group	7.4	6.7	1.1
One-on-one	0.4	0.3	#
Scribe/computer	0.3	0.3	#
Breaks	2.4	2.1	0.5
Magnifying device	#	#	#
School staff administer	0.4	0.3	0.1
Directions read aloud in Spanish	0.2	0.1	0.2
Braille version of the text	#	#	#
Other	1.1	1.0	0.1
# Rounds to zero. NOTE: Students identified as both SD and ELL were counted only once under the combined SD and/or ELL category, but were counted separately under the SD and ELL. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.