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. 2021 May 14;21(10):3439. doi: 10.3390/s21103439

Table 3.

Summary of research of correlations with cognitive states and QoE/UX metrics.

Ref. Year Objective No. of Subjects (Female/ Male) Stimulus Data
[46] 2014 Correlations between frontal alpha EEG asymmetry, experience and task difficulty 20 (10F/10M) Mobile application tasks Self-report; EEG
[48] 2014 Correlations between GSR and task performance metrics 20 (10F/10M) Mobile application tasks Self-report; GSR, blood volume pulse, hear rate, EEG, and respiration
[50] 2014 Correlations between quality perception, brain activity, and ET metrics 19 (11F/8M) Videos EEG and ET (with pupillometry)
[51] 2015 QoE evaluation 32 (5F/27M) Online game Self-report; EEG
[52] 2015 EEG power analysis during tasks with cognitive differences 30 (20F/10M) Two-Picture cognitive task and video game EEG, screen, and frontal videos
[53] 2015 Flow state analysis based on engagement and arousal indices 30 (20F/10M) Video game EEG, screen and frontal videos
[54] 2016 Sleepiness analysis 12 (3F/9M), 24 (8F/16M) Videos 1st study: self-report, EEG, electrooculogram (EOG); 2nd study: self-report, EEG, GSR, ECG, and electromyogram (EMG)
[55] 2017 Cognitive load, product sorting, and users’ goal analysis 21 (10F/11M) Online shopping tasks EEG
[47] 2017 Correlations between ET, acceptance and perception 10 (7F/3M) Database creation assistant Self-report; ET (with pupillometry), clicks, and screen video
[56] 2018 Visual attention and task performance analysis 38 (not indicated) Online shopping tasks ET
[57] 2019 Analysis of the attitude towards a website considering visual attention, cognitive load, product type, and arithmetic complexity 38 (17F/21M) Online shopping tasks Self-report; ET (with pupillometry)
[49] 2019 Usability evaluation 30 (15F/15M) Website tasks Self-report; screen and frontal videos, mouse and keyboard usage logs, EEG