Assessing user mental workload for smartphone applications with built-in sensors

Liang Wang; Tao Gu; Alex X. Liu; Hengzhi Yao; Xianping Tao; Jian Lu

doi:10.1109/MPRV.2018.2873851

Assessing user mental workload for smartphone applications with built-in sensors

Liang Wang, Tao Gu, Alex X. Liu, Hengzhi Yao, Xianping Tao, Jian Lu

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

This work proposes a novel three-dimensional model to represent users' mental workload when using smartphone applications. We validate this model by studying the factors' perceptual independence and interactions using data collected from 22 participants. By analyzing the correlations between the factors of mental workload and tap strength captured by smartphones' built-in sensors, we discover tap strength is significantly affected by and can potentially be used to infer the hidden states of mental workload. We build a prototype system and show the effectiveness of assessing mental workload using tap strength without additional human or device costs in both laboratory and real-world settings.

Original language	English
Pages (from-to)	59-70
Number of pages	12
Journal	IEEE Pervasive Computing
Volume	18
Issue number	1
DOIs	https://doi.org/10.1109/MPRV.2018.2873851
Publication status	Published - Jan 2019
Externally published	Yes

Keywords

Smart phones
Solid modeling
Data models
Sensors
Computer applications

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10.1109/MPRV.2018.2873851

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author = "Liang Wang and Tao Gu and Liu, {Alex X.} and Hengzhi Yao and Xianping Tao and Jian Lu",

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AU - Yao, Hengzhi

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AU - Lu, Jian

PY - 2019/1

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N2 - This work proposes a novel three-dimensional model to represent users' mental workload when using smartphone applications. We validate this model by studying the factors' perceptual independence and interactions using data collected from 22 participants. By analyzing the correlations between the factors of mental workload and tap strength captured by smartphones' built-in sensors, we discover tap strength is significantly affected by and can potentially be used to infer the hidden states of mental workload. We build a prototype system and show the effectiveness of assessing mental workload using tap strength without additional human or device costs in both laboratory and real-world settings.

AB - This work proposes a novel three-dimensional model to represent users' mental workload when using smartphone applications. We validate this model by studying the factors' perceptual independence and interactions using data collected from 22 participants. By analyzing the correlations between the factors of mental workload and tap strength captured by smartphones' built-in sensors, we discover tap strength is significantly affected by and can potentially be used to infer the hidden states of mental workload. We build a prototype system and show the effectiveness of assessing mental workload using tap strength without additional human or device costs in both laboratory and real-world settings.

KW - Smart phones

KW - Solid modeling

KW - Data models

KW - Sensors

KW - Computer applications

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JF - IEEE Pervasive Computing

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Assessing user mental workload for smartphone applications with built-in sensors

Abstract

Keywords

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