Compare the vocabulary acquisition rates and retention retention metrics reported by users of Lingodeer versus Duolingo over a six-month intensive study period.
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Compare the vocabulary acquisition rates and retention retention metrics reported by users of Lingodeer versus Duolingo over a six-month intensive study period.
4 real searches · 1 real-search pass
Lingodeer vs Duolingo six month vocabulary acquisition retention user reports studyGoogle ↗
OBSERVEDReason
LingoDeer vocabulary learning retention study longitudinal six monthsGoogle ↗
OBSERVEDConsequence
Duolingo vocabulary acquisition retention study six months usersGoogle ↗
OBSERVEDReason
LingoDeer user reviews vocabulary retention progress six monthsGoogle ↗
OBSERVEDReason
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.
ChatGPT real searches (4)
Classes come from the query-classifier (a local Laya model). 2 of 4 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT4 real searches · gpt-6
Lingodeer vs Duolingo six month vocabulary acquisition retention user reports study Google ↗
LingoDeer vocabulary learning retention study longitudinal six months Google ↗
Duolingo vocabulary acquisition retention study six months users Google ↗
LingoDeer user reviews vocabulary retention progress six months Google ↗
- LingoDeer - Learn Languages - Ratings & Reviews · apps.apple.com
- How does the Spaced Repetition System (SRS) work? : LingoDeer Support · lingodeer.freshdesk.com
- The effects of frequency, duration, and intensity on L2 learning through Duolingo: A natural experiment. · openurl.ebsco.com
- Frontiers | What predicts second-language vocabulary retention? A common-metric comparison of behavioural learning traces and self-reported strategy use · frontiersin.org
- L2 grit and age as predictors of attrition in mobile-assisted language learning · sciencedirect.com
- (PDF) L2 grit and age as predictors of attrition in mobile-assisted language learning · researchgate.net
Queries
4 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
Lingodeer vs Duolingo six month vocabulary acquisition retention user reports study OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
LingoDeer vocabulary learning retention study longitudinal six months OBSERVED | Google ↗ AI Mode ↗ | — | Consequence | — | — | 1x of 1 | |
Duolingo vocabulary acquisition retention study six months users OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
LingoDeer user reviews vocabulary retention progress six months OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 |