TYDR - Track Your Daily Routine. Android App for Tracking Smartphone Sensor and Usage Data
Felix Beierle, Vinh Thuy Tran, Mathias Allemand, Patrick Neff,, Winfried Schlee, Thomas Probst, R\"udiger Pryss, Johannes Zimmermann

TL;DR
TYDR is an Android app designed to collect smartphone sensor and usage data alongside personality questionnaires, aiming to study correlations between device data and personality traits while addressing privacy and ethical considerations.
Contribution
The paper introduces TYDR, an Android app that effectively balances data collection, user engagement, and privacy requirements for psychological research.
Findings
Optimized sensor data tracking balancing data size and battery use
Designed user interface to encourage participation and questionnaire completion
Implemented privacy-preserving data storage compliant with ethical standards
Abstract
We present the Android app TYDR (Track Your Daily Routine) which tracks smartphone sensor and usage data and utilizes standardized psychometric personality questionnaires. With the app, we aim at collecting data for researching correlations between the tracked smartphone data and the user's personality in order to predict personality from smartphone data. In this paper, we highlight our approaches in addressing the challenges in developing such an app. We optimize the tracking of sensor data by assessing the trade-off of size of data and battery consumption and granularity of the stored information. Our user interface is designed to incentivize users to install the app and fill out questionnaires. TYDR processes and visualizes the tracked sensor and usage data as well as the results of the personality questionnaires. When developing an app that will be used in psychological studies,…
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