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Schonberg, Christina – Online Submission, 2023
IXL is an end-to-end teaching and learning solution that engages learners in grades Pre-K through 12 with a comprehensive curriculum and a first-of-its-kind assessment suite. A core component of IXL's assessment suite is the IXL Diagnostic, an interim assessment designed by a team of educators and mathematicians that uses Item Response Theory…
Descriptors: Academic Achievement, Achievement Tests, Computer Uses in Education, Elementary School Students