NAEP Technical DocumentationReading Assessment Subscale Composition for New and Previously Administered Blocks at Grade 12

Each reading assessment includes blocks of new items and blocks of items from previous assessments. For the new items and for the previously administered items in each reading scale, the number of multiple-choice, dichotomously scored constructed-response, and polytomously scored constructed-response items are provided at grade 12. The item counts are available for each scale as defined in the final Item Response Theory (IRT) scales.

Subscale composition for new blocks as defined after scaling, grade 12 reading combined national and state assessments, by item type and subscale: 2013
Subscale	Multiple-choice items		Dichotomously scored constructed-response items		Polytomously scored constructed-response items
Subscale	Scaled	Dropped	Scaled	Dropped	Polytomous uncollapsed	Dichotomous collapsed	Polytomous collapsed	Dropped
NOTE: "Dropped" denotes items that were deleted from the final scaling. "Collapsed" denotes items that had categories that were combined and recoded for scaling. Some items were administered previously under different contexts. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2013 Reading Assessment.
Total	19	0	2	0	10	0	0	0
Literary	13	0	1	0	6	0	0	0
Information	6	0	1	0	4	0	0	0

Subscale composition for previously administered blocks as defined after scaling, grade 12 reading combined national and state assessment, by item type and subscale: 2013
Subscale	Multiple-choice items			Dichotomously scored constructed-response items			Polytomously scored constructed-response items
Subscale	Concurrent	Split	Dropped	Concurrent	Split	Dropped	Polytomous uncollapsed	Dichotomous collapsed	Polytomous collapsed	Split	Dropped
NOTE: "Concurrent" denotes items that were scaled as the same items across assessment years. "Collapsed" denotes items that had categories that were combined and recoded for scaling. "Split" denotes items that were scaled as different items in each assessment year. "Dropped" denotes items that were deleted from the final scaling. The number of concurrent polytomously scored constructed-response items is equal to the total number of previously administered polytomously scored constructed-response items minus the number of split polytomously scored constructed-response items. The sum of the uncollapsed and collapsed columns is equal to the total number of previously administered polytomously scored constructed-response items. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2013 Reading Assessment.
Total	59	0	0	7	0	0	31	2	1	5	0
Literary	9	0	0	2	0	0	8	0	0	0	0
Information	50	0	0	5	0	0	23	2	1	5	0

Block composition, grade 12 reading combined national and state assessment, by item type and block: 2013
Block	Total number of items	Number of multiple-choice items	Number of polytomously-scored constructed-response items
Block	Total number of items	Number of multiple-choice items	2-category	3-category	4-category
NOTE: For a small number of constructed-response items, adjacent categories were combined. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2013 Reading Assessment.
Total	131	78	11	30	12
R1	10	5	1	3	1
R2	10	6	0	3	1
R3	10	7	2	0	1
R4	10	6	2	2	0
R5	9	4	1	3	1
R6	10	7	1	1	1
R7	11	7	2	1	1
R8	10	6	0	3	1
R9	9	5	0	3	1
R10	10	6	1	2	1
R11	10	6	0	3	1
R12	11	7	0	3	1
R13	11	6	1	3	1

Last updated 21 May 2017 (DC)

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