presentation masterthesis Graz University of Technology, June 2022

1. W I S S E N T E C H N I K L E I D E N S C H A F T
https://www.tugraz.at/institutes/isds/home/
Math trainer as a chatbot via
system(push) messages for
Android
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

2. 2
Thema oder andere gleichbleibende Information
Table of contents
1. Introduction
2. Goals and problems
3. Technologies
4. Implementation
5. Results
6. Conclusion
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

3. 3
Introduction
Chatbots
What are they?
computer program designed to simulate
conversations with human users
intelligent software clients with the possibility of
interaction (texting, speaking)
designed to mimic human behavior and responses
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

4. 4
Introduction
Chatbots
History
ELIZA - first chatbot occurrence
dates back to 1966
invented for multiple goals, one of those to pass
the Turing test
ALICE
started development of AIML (Artificial
Intelligence Markup Language)
SmarterChild, Watson AI
Bixby, Siri, Alexa, Cortana
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

5. 5
Introduction
Chatbots in education
Why?
conducted studies have shown advantages in
learning environments
rise in motivation
feeling more comfortable
improved communication and information
processing
increase of engagement
way of building long-lasting knowledge
easier and faster learning of new topics
productivity increase
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

6. 6
Introduction
Chatbots in education
Steve
human-like shape chatbot, provided both textual
and voice support
Sam
human child shape with the goal of improving
basic children abilities
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

7. 7
Introduction
Chatbots in education
Autotutor
combines latent semantic analysis with a
database of questions
establishes a dialogue with the user
Guilly
voice assistant chatbot that taught children how
to recycle
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

8. 8
Introduction
Category of chatbots
Different types and categories of chatbots
different domains
different purpose
generic chatbots answer user questions from any
domain
Chorus - Google Hangouts chatbot
cross/open-domain chatbots can be used in more
than one field/domain
Guardian, AskWiz
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Introduction
Category of chatbots
closed domain chatbots are focused on one specific
domain
Legion Mobile, Snaptravel
informative chatbots
conversational chatbots
have Artificial Intelligence and NLP
establishes human-like conversations
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

10. 10
Goals and problems
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Goals and problems
Educational mathematical applications
mathematical subjects are at first hard to understand
practice and repetition of exercises are required
students are not in the center
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Goals and problems
Purpose and goal
show the effectiveness and usefulness of chatbots
improve mathematical skills with push notifications
continuous improvement
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Goals and problems
Research questions
Can a chatbot help to foster mathematical skills for
children?
Can push notifications help learning engagement?
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

14. 14
Technologies
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

15. 15
Technologies
Concepts and conditions
android as the chosen OS
owned by Google
open-source
mostly used on mobile phones and tablets
built on a Linux-based kernel
SDK
GIT - version control system
app expandability
easy to add new features (trainers)
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

16. 16
Technologies
Frontend Technologies
mockups - showcase of a design implementation idea
XML - extensible markup language
transmit and save data
layout editor - tool to create layouts
generates XML code for every element added
has a lot of widgets
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Technologies
Backend Technologies
application program interface
way of communication between applications
supplies data to the client
SharedPreferences - interface that enables storing
data on the phone
java - object-oriented programming language
threads - virtual CPU that allows parallel task
execution
gradle - automated build tool
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Implementation
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

19. 19
Implementation
Approach
authentication using SOAP library from LearningLab
android OS level higher than 26
model-view-controller
notification scheduling
alarmManager
notificationManager
threads
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Implementation
Login Screen Home Screen
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

21. 21
Implementation
Trainer selection Time interval selection
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Implementation
Toast for a correct
answer
Toast for a wrong
answer
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

23. 23
Implementation
Trainers
1x1 trainer
multiplication basics
two game modes
plus minus trainer
subtraction and addition
two game modes
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

24. 24
Implementation
Questions
numbers and result for mathematical operations
provided from LearningLab API
chosen randomly from a pool of questions
answer is checked with the API as well
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Results
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Results
Review of the children feedback I
18 participants
thumb rating system
How satisfied are you with the app?
12 very satisfied, 5 satisfied, 1 not so satisfied, 0
not satisfied at all
Was the app helpful?
4 very helpful, 2 helpful, 6 not so helpful, 6 not
helpful at all
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Results
Review of the feedback II
Was the app easy to use?
18 very easy
Was the app interesting?
3 very interesting, 2 interesting, 6 not so
interesting, 7 not interesting at all
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Results
Thumb rating system
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Results
Teacher feedback
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Results
Statistics
every square box is a student
star rating system
full green star - very good/correct
half green star - good/correct
red star - wrong
empty star - not answered
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Results
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Results
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Results
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Results
Review of statistics
good correct to wrong ratio
high number of unanswered questions
possible API timeout
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Conclusion
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

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Conclusion
Lessons learned
chatbots are still an evolving technology
improvement of children’s math skills
educational applications could be the new learning
standard
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

37. 37
Conclusion
Improvements and further work
new questions
new trainers
improved user interface
sound effects
haptic feedback
vibration
screen shake
data base
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022

38. 38
Thank you!
Questions?
Mirza Kabiljagic, Institute of Interactive Systems and Data Science
26. Juni 2022