Proportion of Scale Score Variance Accounted for by the Conditioning Model, Technology and Engineering Literacy (TEL) National Assessment, by Grade: 2014

NAEP Analysis and Scaling → Estimation of Population and Student Group Distributions → Examining the Population-Structure Models Used in NAEP → Proportion of Scale Score Variance Accounted for by the Population-Structure Models → Proportion of Scale Score Variance Accounted for by the Conditioning Model, Technology and Engineering Literacy (TEL) National Assessment, by Grade: 2014

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Proportion of scale score variance accounted for by the conditioning model using univariate scale, technology and engineering literacy (TEL) national assessment, by grade: 2014
Grade	Number of initial conditioning contrasts²	Number of principal components²	Proportion¹ of scale score variance
Grade	Number of initial conditioning contrasts²	Number of principal components²	Univariate scale
8	2024	485	.61
¹ (Total Variance – Residual Variance) / Total Variance, where Total Variance consists of sampling, measurement, and other sources of error.² Excluding the constant term.NOTE: In 2014, grades 4 and 12 were not assessed. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2014 TEL Assessment.

Proportion of scale score variance accounted for by the conditioning model, technology and engineering literacy (TEL) national assessment, by scale and grade: 2014
Grade	Number of initial conditioning contrasts²	Number of principal components²	Proportion¹ of scale score variance
Grade	Number of initial conditioning contrasts²	Number of principal components²	Technology and society	Design and systems	Information and communication technology
8	2024	485	.58	.60	.63
¹ (Total Variance – Residual Variance) / Total Variance, where Total Variance consists of sampling, measurement, and other sources of error.²Excluding the constant term. NOTE: In 2014, grades 4 and 12 were not assessed. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2014 TEL Assessment.

Proportion of scale score variance accounted for by the conditioning model, technology and engineering literacy (TEL) national assessment, by scale and grade: 2014
Grade	Number of initial conditioning contrasts²	Number of principal components²	Proportion¹ of scale score variance
Grade	Number of initial conditioning contrasts²	Number of principal components²	Communicating and collaborating	Developing solutions and achieving goals	Understanding technological principles
8	2024	485	.62	.59	.61
¹ (Total Variance – Residual Variance) / Total Variance, where Total Variance consists of sampling, measurement, and other sources of error. ² Excluding the constant term. NOTE: In 2014, grades 4 and 12 were not assessed. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2014 TEL Assessment.

Last updated 30 August 2021 (ML)