Why

Language learning individual experience

Learner differences

• Prior knowledge
• Learning speed
• Learning style
• Language background

Online learning platforms rarely personalized

Fixed progression path

Personalized learning environments

Collection of available tools

How

Collect data from learners using the platform

Profile: static

Learner model: dynamic

• Track learner activity on platform
• Continuous assessment
• Stealth assessment

What

Profile

Education background

Language background

Swell project

Interdisciplinary

Collaboration with teachers

Learner model

Data collected during interaction with learning platform

General data

Not learner-specific

• Current time
• Frequency of use
• Time since last visit
• Screen size of device
• IP address
• Geolocation

Multiple choice vocabulary exercise

• Time taken
• History
• Final answer

Variables to collect

Spelling exercise

Spelling exercise

• Frequent (L1 specific) misspellings
• Difficult sounds
• Diagnostic and prognostic

Hypothesis testing

Evaluation of automatically graded vocabulary list

Grading of new vocabulary items

Adaptive diagnostic test

Different exercise types

• Bundled gaps
• Vocabulary knowledge
• Sentence rearrangement
• Sentence composition
• Multiple choice

Teacher evaluation

To infinity and beyond

• Morphology
• Grammar

Error analysis

Error groups