Efficacy of the Lexia® PowerUp Literacy® Program: State Test Score Improvements for Struggling and Non-Proficient Readers

Lisa B. Hurwitz, Ph.D. (research@lexialearning.com)

Suggested Citation:

Hurwitz, L.B. (2020). Efficacy of the Lexia® PowerUp Literacy® Program: State Test Score Improvements for Struggling and Non-Proficient Readers. Concord, MA: Lexia Learning Systems LLC, A Rosetta Stone Company.

Key Findings
  • This evaluation of PowerUp is a gold standard randomized control trial (RCT) that meets ESSA’s standards for STRONG research - the highest tier of efficacy evidence outlined by federal law.

  • PowerUp users gained on average more than 20 percentile points more than non-users on their end-of-year state assessment.  

  • Results show that PowerUp is nearly 5x as effective as the average middle school reading intervention.

powerup state test assessment graph

 

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