Research

Research

Lexia Core5 Reading Progress Report: Half-Year Results for At-Risk Students in Grades K-5

At-risk students made substantial progress in Core5 in the last few months of school. Nearly half (48%) of the students who started Core5 in January 2018 working on below grade...

Research

Validity Research: Lexia® Core5® Reading and the IREAD-3

A majority of students (78%) who reached benchmark in Core5 by the end of the year also passed the IREAD-3 (Table 2).

Research

Validity Research: Lexia® Core5® Reading and the Wisconsin Forward ELA

A majority of students (78%) who reached benchmark in Core5 by the end of the year also achieved Proficient or Advanced levels on the Wisconsin Forward ELA (Table 2).

Research

Validity Research: Lexia ® RAPID™ Assessment and the Ohio State Test in English Language Arts (OST ELA)

89% of students who obtained an end-of-year score in the High Reading Success range on RAPID were also categorized as Proficient on the OST ELA.

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Validity Research: Lexia® Core5® Reading and Massachusetts Comprehensive Assessment System (MCAS)

82% of students who reached their end-of-year, grade-level benchmark in Core5 also achieved Meeting or Exceeding levels on the MCAS.

Research

Research Spotlight: Spokane International Academy, Washington

Significant moderate to high correlations between 7th and 8th grade students’ fall Reading Success Probabilities (RSP) and the spring Smarter Balanced Consortium English Language...

Research

Research Spotlight: Rochester Area School District, Pennsylvania

Significant moderate to high correlations across all grades’ fall, winter, and spring RAPID Reading Success Probabilities (RSP) and fall, winter, and spring Northwest Evaluation...

Research

Validity Research: Lexia® Core5® Reading and Lexia<sup>®</sup> RAPID™ Assessment

This report documents the validity of Lexia® Core5® Reading (Core5) by comparing performance in the program with scores on Lexia ® RAPID™ Assessment (RAPID), a normed-referenced...

Research

Validity Research: Lexia PowerUp Literacy and Lexia RAPID Assessment

This report documents the validity of Lexia PowerUp Literacy™ (PowerUp). We evaluated the validity of PowerUp by comparing performance in the program with scores on Lexia ® RAPID...

Research

Research Brief: Evidence of PowerUp Effectiveness with Non-proficient Middle School Readers

One-third of students who were identified as “non-proficient” on a statewide ELA test in Spring 2017 and used PowerUp for the 2017-2018 school year went on to achieve “proficient...

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Research

Lexia Core5 Reading Progress Report: Half-Year Results for At-Risk Students in Grades K-5

Validity Research: Lexia® Core5® Reading and the IREAD-3

Validity Research: Lexia® Core5® Reading and the Wisconsin Forward ELA

Validity Research: Lexia ® RAPID™ Assessment and the Ohio State Test in English Language Arts (OST ELA)

Validity Research: Lexia® Core5® Reading and Massachusetts Comprehensive Assessment System (MCAS)

Research Spotlight: Spokane International Academy, Washington

Research Spotlight: Rochester Area School District, Pennsylvania

Validity Research: Lexia® Core5® Reading and Lexia<sup>®</sup> RAPID™ Assessment

Validity Research: Lexia PowerUp Literacy and Lexia RAPID Assessment

Research Brief: Evidence of PowerUp Effectiveness with Non-proficient Middle School Readers

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Research

Lexia Core5 Reading Progress Report: Half-Year Results for At-Risk Students in Grades K-5

Validity Research: Lexia® Core5® Reading and the IREAD-3

Validity Research: Lexia® Core5® Reading and the Wisconsin Forward ELA

Validity Research: Lexia ® RAPID™ Assessment and the Ohio State Test in English Language Arts (OST ELA)

Validity Research: Lexia® Core5® Reading and Massachusetts Comprehensive Assessment System (MCAS)

Research Spotlight: Spokane International Academy, Washington

Research Spotlight: Rochester Area School District, Pennsylvania

Validity Research: Lexia® Core5® Reading and Lexia<sup>®</sup> RAPID™ Assessment

Validity Research: Lexia PowerUp Literacy and Lexia RAPID Assessment

Research Brief: Evidence of PowerUp Effectiveness with Non-proficient Middle School Readers

Pages

Terms and Conditions

Lexia Core5 Reading

Lexia PowerUp Literacy

Lexia RAPID Assessment