What steps should I take to evaluate whether Babbel or Duolingo is actually delivering better conversational fluency for my bilingual staff?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What steps should I take to evaluate whether Babbel or Duolingo is actually delivering better conversational fluency for my bilingual staff?
1 real search · 1 real-search pass
independent research comparison Babbel Duolingo speaking proficiency conversational fluency study language learning outcomes ACTFL CEFRGoogle ↗
OBSERVED
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 1 queries…
Searches and sources
ChatGPT1 real searches · gpt-6
independent research comparison Babbel Duolingo speaking proficiency conversational fluency study language learning outcomes ACTFL CEFR Google ↗
- Babbel · babbel.com
- Duolingo · duolingo.com
- Mobile-assisted language learning with Babbel and Duolingo: comparing L2 learning gains and user experience: Computer Assisted Language Learning: Vol 38 , No 4 · doi.org
- ERIC - EJ1473885 - Mobile-Assisted Language Learning with Babbel and Duolingo: Comparing L2 Learning Gains and User Experience, Computer Assisted Language Learning, 2025 · eric.ed.gov
- The effectiveness of app‐based language instruction for developing receptive linguistic knowledge and oral communicative ability - Loewen - 2020 - Foreign Language Annals · onlinelibrary.wiley.com