← Overview/Phonemic Heatmaps

Cohort-Wide Phonemic Error Heatmap

Granular analysis of L1 transfer patterns across acoustic evidence logs in Cloud Storage.

/s/ (final)48% Error Rate

Coda Weakening

Target: that / that's

Common L1 realization: tha'

Evidence: 120+ audio logs
/st-/ (cluster)42% Error Rate

Epenthesis

Target: study

Common L1 realization: estudy

Evidence: 120+ audio logs
/l/ vs /r/31% Error Rate

Liquid Neutralization

Target: puerto / portal

Common L1 realization: pualto

Evidence: 120+ audio logs
/i/ vs /ɪ/25% Error Rate

Vowel Tenseness

Target: ship

Common L1 realization: sheep

Evidence: 120+ audio logs
-s (3rd person)22% Error Rate

Inflection

Target: he works

Common L1 realization: he work

Evidence: 120+ audio logs
/θ/ vs /t/18% Error Rate

Interdental Stopping

Target: think

Common L1 realization: tink

Evidence: 120+ audio logs