This is an excerpt of my projects and studies during the past years. You can find a written summary available for download under the following link:

Projects summary
Projects summary Marwecki.pdf
PDF-Dokument [1.6 MB]

Bachelor thesis - Invasion of the Wrong Planet

Games on hybrid interactive surfaces have been shown to be an effective tool in cognitive-behavioral therapy for children with conditions in the autistic spectrum. I developed the hybrid therapy game Invasion of the Wrong Planet and conducted two consecutive studies both with children with and without autistic spectrum conditions. The studies contrast the design principle of “Encouraged Collaboration” (ECC) with the design principle of “Enforced Collaboration” (EFC). While EFC has been used in recent work on therapy games for autism, EFC is derived from specific aspects of behavioral therapy. The results show that children across both groups prefer ECC over EFC, while both design principals elicit comparable degrees of collaboration between players. The higher preference may increase motivation and therefore ECC could enhance the effectiveness of games used in behavioral therapy. The latter aim at fostering the social competence and communicative skills of children with ASD. This project has been funded by the MFG Stiftung Baden-Württemberg (Karl-Steinbuch Stipendium) in Germany and parts have been presented at CHI 2013 and 2014 as a Workshop and a Works-In-Progress paper.

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Bachelor thesis Marwecki.pdf
PDF-Dokument [6.4 MB]

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Master thesis - VR based stroke therapy

In this work I addressed the role of short-term goals in Virtual Reality applications for motor relearning, which benefit stroke therapy. In a study participants were to perform reaching tasks within a gamified context while being provided with feedback towards self-comparative mastery and other-comparative ego goals. Measurements include protocols for motor learning as well as subscales of the Intrinsic Motivation Inventory
and task engagement variables based on movement data. Results of the study including eight stroke patients and twelve healthy participants indicate that both mastery goals and ego goals foster task engagement as well as perceived effort which potentially enhance intrinsic motivation and adherence. In addition, no effect on motor learning could be derived, which points towards the utility of short-term goals as they do not diminish therapeutic effectivity of the underlying task. This work strongly suggests the implementation of mastery and ego goals in Virtual Reality based stroke therapy, as adherence benefits from the motivational context they provide. This project was based on the Rehabilitation Gaming System of the SPECS Department of the University Pompeu Fabra, Barcelona, with whom I am currently working on publishing this work.

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Master thesis Marwecki.pdf
PDF-Dokument [1.8 MB]

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Color Rift

To depict parallels on the influence of color stimuli on flavor identification between augmented and natural vision, I developed the Color Rift, a program which provided the wearer of a Head-Mounted Display with an altered perception of colors. Together with other students I conducted a study, which showed that flavor identification partially relies on color stimuli.

This was a group work done together with other students from the "Cognitive Systems and Interactive Media" program at Universitat Pompeu Fabra, Barcelona.

Glove of first sight

In a group-oriented project, I worked on the development of an Arduino and Android based „Language Learning Glove“. This prototype acoustically names objects when touching them. On a smartphone app, users could switch between languages, in which this feedback was provided. The research question was whether spatial exploration and augmenting acoustic with haptic feedback could foster learning of new vocabulary in a foreign language.

This was a group work done together with other students from the "Cognitive Systems and Interactive Media" program at Universitat Pompeu Fabra, Barcelona.

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© Sebastian Marwecki