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Individual differences in visual sensory processing and user-experiences of web-based interventions

Brouwer, N. (2021) Individual differences in visual sensory processing and user-experiences of web-based interventions.

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Abstract:Background. Low uptake and adherence rates of web-based interventions may result from low user engagement and perceived system usability. A possible method to enhance user-experiences of web-based interventions involves tailoring its health messages to individual users. Although the approach is valuable, it could be improved by including design-aspects. Namely, the design of web-based interventions may influence user-experiences through individual differences in visual sensory processing. Resultingly, the present study tempted to unravel the relationship between individual differences in visual sensory processing and user-experiences of web-based interventions. Methods. The present study utilised a cross-sectional survey design, in which 45 participants filled in a questionnaire based on screenshots of four web-based interventions from the eHealth platforms MindDistrict and TherapieLand which were paired based on topic. The questionnaire contained measures on visual sensory processing, expected user engagement, perceived system usability, a self-developed measure on visual sensory appeal, and a final rating of the eHealth platforms, as well as open questions on first impressions and the perceived attractiveness of visual stimuli (or stimulus-evaluations). Scores on visual sensory processing were correlated with the other variables. First impressions were used to identify valued design-elements, and stimulus-evaluations were used to evaluate the perceived attractiveness of visual stimuli and their contributing properties. Results. Four out of eighty correlations were found to be significant. Results demonstrated negative relationships to exist between hyposensitivity with the final ratings of MindDistrict, and (visual) hypersensitivity with the visual sensory appeal of MindDistrict. Regarding qualitative findings, the majority of participants were found to value the simplicity of designs. Moreover, differences were found in the selection of attractive and non-attractive properties of images. Participants also provided differential descriptions of their colouring. Conclusion. Although the quantitative findings were limited and contradictory, the qualitative findings provided valuable implications. Firstly, the present study raised the question whether a ‘less is more’ principle may be at play for all users of web-based interventions, as reducing visual clutter may support the speed and ease of goal obtainment. Secondly, the present study brought into question the contribution of positive emotions displayed by individuals, of which especially a smile, in enhancing the perceived attractiveness of visual stimuli in web-based interventions.
Item Type:Essay (Master)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology MSc (66604)
Link to this item:http://purl.utwente.nl/essays/86432
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