Quasi-Experimental Study on Impact of Once on Kindergarten Reading Growth 24-25 as Measured by Fastbridge
The first ESSA Tier II quasi-experimental study on Once — LXD Research finds a 0.46 standard deviation effect (p<0.001) for kindergarten students who received 80+ Once tutoring sessions.
End-of-Year Report: Impact of Once on Kindergarten Reading Growth 24-25 as Measured by Fastbridge
An LXD Research study of 551 kindergarteners across 35 Southeast schools shows students who completed 80+ Once sessions were 7× more likely to reach low/no risk by spring.