MM META METRICS

Providing temporary use of on-line non-downloadable software for analyzing text difficulty and providing a measurement of text difficulty; Providing temporary use of on-line non-downloadable software for analyzing audio recordings and providing a measurement of reading comprehension and reading ability; Providing temporary use of on-line non-downloadable software for teaching, practicing, and improving vocabulary and reading; Providing temporary use of on-line non-downloadable software for analyzing math tests, math instructional materials, math textbooks, and student performance on math tests to provide a measurement of difficulty