NAEP Technical DocumentationTechnology and Engineering Literacy (TEL) Assessment IRT Parameters

The table links provided below contain Item Response Theory (IRT) parameters for NAEP technology and engineering literacy items that were scaled, as well as the assembly unit in which each item appeared for each grade (shown in the Assembly unit column) and the position of each item within its assembly unit (shown in the Item column). Note that these item parameters are provided in the metrics used for the original calibration of the scales.

Links to item response theory (IRT) parameters, technology and engineering literacy (TEL) national assessment, by year, scale, and grade: 2014 and 2018

Year	Scale	Grade 4	Grade 8	Grade 12
2018	Univariate scale	—	R3	—
	Design and systems content area scale	—	R3	—
	Information and communication technology content area scale	—	R3	—
	Technology and society content area scale	—	R3	—
	Communicating and collaborating practice scale	—	R3	—
	Developing solutions and achieving goals practice scale	—	R3	—
	Understanding technological principles practice scale	—	R3	—
2014	Univariate scale	—	R3	—
	Design and systems content area scale	—	R3	—
	Information and communication technology content area scale	—	R3	—
	Technology and society content area scale	—	R3	—
— Not available. In 2014 and 2018, grades 4 and 12 were not assessed. NOTE: R3 is the accommodated reporting sample. If sampled students are classified as students with disabilities (SD) or English learners (EL), and school officials, using NAEP guidelines, determine that they can meaningfully participate in the NAEP assessment with accommodation, those students are included in the NAEP assessment with accommodation along with other sampled students including SD/EL students who do not need accommodations. The R3 sample is more inclusive than the R2 sample type and excludes a smaller proportion of sampled students. The R3 sample is the only reporting sample used in NAEP after 2001. SOURCE: U.S Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2014 and 2018 Technology and Engineering Literacy (TEL) Assessments.

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