Table of Contents | Search Technical Documentation | References
Type of contrast | Number of contrasts | Mean | Minimum | Maximum | Number of contrasts by proportion of variance explained1 | ||||
---|---|---|---|---|---|---|---|---|---|
.00 - .70 | .70 - .80 | .80 - .90 | .90 - .95 | .95 - 1.00 | |||||
All contrasts | 1692 | .90 | .69 | .99 | 2 | 73 | 649 | 790 | 178 |
Student questionnaire | 369 | .91 | .71 | .99 | 0 | 16 | 102 | 160 | 91 |
Major reporting variables | 128 | .91 | .80 | .99 | 0 | 1 | 55 | 48 | 24 |
Interactions between reporting variables | 698 | .88 | .69 | .98 | 2 | 53 | 334 | 274 | 35 |
School questionnaire | 464 | .91 | .86 | .98 | 0 | 0 | 145 | 296 | 23 |
SD/EL questionnaire | 33 | .89 | .78 | .97 | 0 | 3 | 13 | 12 | 5 |
1 (Total Variance – Residual Variance) / Total Variance, where Total Variance includes sampling, measurement, and other sources of error. NOTE: SD/EL = Students with disabilities/English learners. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 Technology and Engineering Literacy (TEL) Assessment. |