1.
Master’s Thesis
Mobile Learning Applications for
Android and iOS for German
Language Acquisition based on
Learning Analytics Measurement
Markus Friedl
Supervisor:
Priv.-Doz. Dipl.-Ing. Dr.techn. Martin Ebner
Co-Advisor:
Dipl.-Ing. Markus Ebner
31.10.2019

2.
Content
Initial situation
Technical
setup /
Interfaces
Development Evaluation
2
Application

3.
Initial Situation
3
Chalk and talk
http://www.bpb.de/gesellschaft/bildung/zukunft-bildung/190322/geschichte-des-lernens-mit-lehre?p=all
https://www.meinbezirk.at/graz/c-menue/schule-20-lernen-ohne-papier_a1231471

4.
Problem Definition
❖ Mobile application for German language acquisition
❖ Different exercise formats and tasks
❖ Overview of learning progress
❖ Target group: elementary school children
❖ Track user interactions
❖ User experience test
4

5.
Technical Setup & Interfaces
❖ User Management of IDeRBlog
❖ API for exercise data
❖ Exercises
❖ Tasks
❖ Logs
❖ User statistics
5

6.
Development of the Application
❖ Native applications
❖ Android - Kotlin
❖ iOS/iPadOS - Swift
❖ Child-friendly user interface
❖ Offline support
❖ Integration tests for API
6
https://www.techrepublic.com/article/why-the-new-android-update-system-might-confuse-users/
https://de.wikipedia.org/wiki/Datei:Kotlin-logo.svg
https://de.wikipedia.org/wiki/Datei:IOS_logo.svg
https://developer.apple.com/swift/

7.
Application - Login Screen
Android
iOS
7

8.
Home Screen
8

9.
Exercise List
❖ List of exercises
❖ Title
❖ Description
❖ Number depends on
reached points
9

10.
Keywords
❖ Different number of
words
❖ Optional:
❖ Mark difficult parts
❖ Timer
10

11.
Keywords
❖ Optional:
❖ Timer
❖ Text input
❖ Points for correct
written words
11

12.
Exercise Summary
❖ Every task correct:
positive feedback
❖ Tasks with mistakes:
constructive feedback
12

13.
Error Locations
❖ Detect wrong words by a
tap
❖ Select justifications
❖ Points for correct
justifications without any
mistakes
13

14.
Insert
❖ Some gaps in text
❖ single characters
❖ whole words
❖ Text input
❖ Points if all gaps
correct
14

15.
Match - Drag & Drop
❖ White box moveable by
drag & drop gesture
❖ Allocation to different
word categories
❖ Points for correct
allocation
15

16.
Match - Write
❖ Word is spoken
❖ Allocation to different
word categories
❖ Points for correct
allocation or spelling
16

17.
Wheel of Fortune
❖ Word is spoken
❖ Text input
❖ Points for correct
spelling
17

18.
Evaluation - Questionnaire
18
BUNG: USER:
PC
iPad
Ich ss e, as die
A fgabens ell ng ar.
Ich konn e die A fgabe
selber l sen.
Es ha mir Spa gemach
ben.
Ich m ch e die b ng a ch
ha se machen.

19.
Evaluation - Result
19
I had understood the
assignment
definition.
I was able to solve
the problems myself.
I had fun to practice.
I would also like to
do the exercise at
home.
Error locations 1 1 1,2 1,2
Insert 1,2 1 1,2 1,2
Keywords - Easy 1 1 1 1
Keywords - Hard 1 1 1 1
Match - Drag & Drop 1 1 1 1,2
Match - Write 1 1 1 1,5
Wheel of fortune 1 1 1 1
Average 1,03 1 1,06 1,16

20.
Conclusion
❖ Cooperation works very well
❖ Changing requirements during development
❖ Beginning: difficult to design a child-friendly UI
❖ First prototype well accepted
❖ Good base for further development
20

21.
Future work
❖ Support of “Intelligente Wörterbuch” (IDeRBlog)
❖ Badges for earned points
❖ Use without login
❖ Support smartphones
❖ New exercise formats
21

22.
Markus Friedl
Mobile Learning Applications for Android and iOS for German
Language Acquisition based on Learning Analytics Measurement