10/30/2025
Leanlab recently partnered with Preply, a human-led, AI-enabled language learning platform, to study how 1-on-1 tutoring accelerates English language learning and confidence for Spanish-speaking adult professionals. Over 12 weeks, learners progressed up to 3x faster than standard benchmarks, with 1 in 3 improving their CEFR scores by a full level and 96% crediting real human tutors as key to their success!
Check out our findings here:https://avatars.preply.com/inbound/media/20250902/preply-research-leanlab-education.pdf
Learn more about the study here: https://preply.com/en/blog/speak-like-you-mean-it-confidence-proven-to-accelerate-language-fluency/
Discover how confidence fuels faster language learning. Backed by new Preply research, this article explores how English learners dramatically improved their fluency and confidence in just 12 weeks, and why confidence is the secret ingredient to real, lasting progress.