Retrieved from "http://www.julian-fietkau.de/keyword/psychology"

Keyword: psychology

Impacting the social presence of virtual agents by scaling the fidelity of their speech and movement – Thesis defense

2015-01-23, Dept. of Computer Science, University of Hamburg

Impacting the social presence of virtual agents by scaling the fidelity of their speech and movement – Thesis defense

Virtual agents are constructs that fulfill human or human-like roles in virtual environments, but are directly controlled by software instead of real humans. They have use cases such as presenting information, demonstrationg actions or simulating a social environment. If a real person perceives them as sufficiently human-like, they may induce social phenomena like empathy, competition or conversational turn taking, even if the real person is consciously aware that the agent is purely virtual.

My master's thesis explores the influence of technical fidelity in terms of their speech and movement. Both of these two variables were assigned different implementations of varying technical sophistication, from text-to-speech output to fully recorded voices and from a completely rigid idle body to a high-quality relaxed idle animation based on motion capturing data. The various combinations were tested in an experiment using a head-mounted virtual reality display in order to measure their influence on perceived social presence. In this talk, I described the experiment and summarized its results.

Playful Design

2012-07-27 17:26:51

Last week I was talking to the current professor for HCI at the University of Hamburg in his office, and among the current set of books that he was asked to assess for inclusion in our department's library, something caught my eye. I recognized the cover design of John Ferrara's Playful Design, published very recently by Rosenfeld Media. That was pretty exciting for me, since I had been looking forward to that book for a while, to the extent that I recommended it in a recent talk about gamification, just on the basis of the introductory article at UX Magazine. This occassion presented me with a chance to actually read the whole thing, so here's what came of that.

Gamification – Where do we stand?

2012-07-02, Dept. of Computer Science, University of Hamburg

Gamification – Where do we stand?

This guest talk took place in the Interaction Design lecture of Prof. Dr. Kindsmüller.

In 15 minutes I gave an overview of the general concept and limitations of gamification. I started out with a general clarification of the term, and continued by showcasing it using a real-world example. Using the Gartner Hype Cycle, I offered a partial explanation for the problems that gamification has been associated with. I concluded with a very brief venture into the area of game design.

Musik: McFarland Beats - Slipped, used under CC-BY

Unemployment from a psychological perspective

2012-06-12, Dept. of Psychology, University of Hamburg

Unemployment from a psychological perspective

This talk was conducted in the auxiliary seminar for the course Employment- and Organizational Psychology by a group of three students of which I was one.

After a short clarification of some important vocabulary, we supplied an overview of the employment-related legislation of the last ten years in Germany, with a strong focus on the Hartz laws. As a little intermezzo, we showed an excerpt from Volker Pispers' cabaret programme concerning Hartz IV. After that, we explained the details of a study about the subjective wellbeing of long-term unemployed people in relation to an initative called Arbeitsbeschaffungsmaßnahmen. We concluded the talk with a plenary discussion on some specialized questions.

Complexity and Usability 2012

2012-05-10, Dept. of Computer Science, University of Hamburg

Complexity and Usability 2012

There was a time when software couldn't do much and was easily understood in full. What has changed and what has stayed the same? Software is supposed to accomplish more and be easier to use at the same time – is that an irreconcilable contradiction? Is there a "new simplicity", or does the path lead into a jungle of complexity?

From the UNIX philosophy, the personal computer revolution and the Web 2.0 up to recent smartphone apps, I examined the overall development of the interface complexity of software. Especially, I scrutinized the concept of "simplicity" critically. On the basis of these observations and incorporating theoretical knowledge from interaction- as well as game design, recent examples and models for constructively dealing with functional complexity were explained.

This talk took place in the HCI research colloquium.

Early speech development in children

2011-12-13, Dept. of Psychology, University of Hamburg

Early speech development in children

This talk was presented in the auxiliary seminar for the course Developmental Psychology by Philipp Schlesinger and me.

The base for our content were a chapter from a textbook and a scientific paper explainig a study, which we summarized and presented. We decided to augment the textbook content with a proper introduction into the field of linguistics, which was obviously lacking for people just reading the text. Also, there was a short quiz and a discussion at the end..

Gamification

2011-06-29, Dept. of Computer Science, University of Hamburg

Gamification

This talk was held as the first of three accompanying short talks for the Interaction Design course.

I gave an introduction into the world of "gamification" and explained how people came up with the idea of enriching application software with playful elements. The content of this talk was limited, as it was meant to be a starting point for further individual research. The discussion among the audience concerning viable implementations and more examples worked well to complete the event.

Operant Conditioning

2011-06-08, Dept. of Psychology, University of Hamburg

Operant Conditioning

This talk was held by Annika Kolaska, Martin Selke and me during the seminar course for Allgemeine Psychologie 2. It is modeled after chapters 6 and 7 from James E. Mazur: Learning and Behavior. I was responsible for the last third about the two studies.

In the first part, Annika introduced and explained the fundamentals of operant confitioning as well as several relevant experiments. In the second part, Martin further illuminated and expanded on that knowledge. I then showed two studies in which operant conditioning was employed in two distinct fashions.

Specific perceptions: motion, space, depth and size

2010-11-22, Dept. of Psychology, University of Hamburg

Specific perceptions: motion, space, depth and size

This talk was held in a course on cognitive psychology, together with two fellow students. My part was the one in the middle, about depth perception.

After the part about motion (in which I was only slightly involved), I introduced depth perception as a curious feat of the mind, in light of our retinas being two-dimensional. I then proceeded to explain how to feel the muscles in the eye, showed a variety of depth cues in still images and videos and explained binocular depth perception as a result of shifted retinal images. My part of the talk ended with a very brief neurological look at depth perception. We used the Ames room as a depth-based illusion as a transition to size and scale, the third an final part of the talk.

Spielerei mit Streifenbildern

2010-10-10 15:57:43

Heute gibt's mal wieder etwas völlig anderes. Ich möchte euch eine Idee zeigen, mit der ich vor einiger Zeit mal herumexperimentiert habe, die mit der Wahrnehmung von teilweise verdeckten Bildern zu tun hat. Die Idee stammt aus einem Video, das ich vor langer Zeit mal gesehen habe. Dort hat jemand diesen Effekt mit schwarzen Silhouetten erzeugt. An dieser Stelle bin ich mutig und versuche es direkt mit einem Farbbild, allerdings einem einfachen. Hier ist eine Spirale:

Eine rot-weiße Spirale
RSS