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NAEP Analysis and Scaling → Estimation of NAEP Scale Scores → NAEP Scales → Scale Composition by Item Type for New and Trend Blocks → Economics Assessment Subscale Composition for New Blocks at Grade 12

NAEP Technical DocumentationEconomics Assessment Subscale Composition for New Blocks at Grade 12

Generally, each assessment includes blocks of new items and blocks of items from previous assessments. Given that economics was administered for the first time in NAEP during the 2006 administration year, the table below includes new items only. 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 economics assessment, by item type: 2006

Subscale	Multiple-choice items		Dichotomously scored constructed-response items		Polytomously scored constructed-response items
	Scaled	Dropped	Scaled	Dropped	Polytomous uncollapsed	Dichotomous collapsed	Polytomous collapsed	Dropped
Total	154	1	3	0	29	0	0	0
Market	71	0	2	0	14	0	0	0
National	59	0	1	0	12	0	0	0
International	24	1	0	0	3	0	0	0
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), 2006 Economics Assessment.

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