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Please join us for a special CS Colloquium featuring *Krzysztof Gajos* of
Harvard SEAS. He will give a talk entitled ?*Human-Computer Interaction
Research in the Wild.*?
*Monday* November 16, 2015
Maxwell Dworkin G115
Refreshments at 3:30 p.m. in the Maxwell Dworkin ground floor lobby
Human-Computer Interaction Research in the Wild
The Intelligent Interactive Systems Group at Harvard pursues a broad range
of topics at the intersection of interaction design, applied machine
learning and social computing. Two of the areas of particular interest to
us---organic crowdsourcing and methodologies for behavioral research at
scale---both leverage intrinsic motivations of large numbers of unpaid
online volunteers to accomplish large tasks. In this talk, I will share one
sample project from each of the two areas.
The Idea Hound project exemplifies our contributions to the largely
unexplored area of "organic" crowdsourcing, an approach to human
computation in which intrinsically motivated people contribute to
algorithmically coordinated human computation workflows as a byproduct of
performing activities that they find inherently valuable. In contrast to
earlier peer production systems like Wikipedia, organic crowdsourcing
relies on algorithmic rather than social mechanisms for coordinating work,
which enables productive use of even the smallest human contributions.
Unlike conventional crowdsourcing, organic crowdsourcing leverages
participants' intrinsic motivation to attract free, high quality
contributions from knowledgable participants.
LabintheWild.org is a platform we have developed for conducting behavioral
experiments with unpaid online volunteers. Volunteers from all over the
world participate in LabintheWild studies in exchange for interesting
personalized feedback. Over the past three years, LabintheWild has
attracted nearly 3 million distinct visitors from over 200 countries and
resulted in over 1 million completed experimental sessions. We have
validated this platform by demonstrating that results obtained on
LabintheWild match those obtained in traditional laboratory settings.
LabintheWild has made it possible for us to conduct research that would not
have been feasible with traditional methods. I will summarize the findings
from several experiments conducted on LabintheWild and I will synthesize
the emerging set of best practices for designing studies that attract
intrinsically motivated participants and for ensuring validity of the data.
Krzysztof Gajos is an Associate Professor of Computer Science at the
Harvard Paulson School of Engineering and Applied Sciences. Krzysztof is
broadly interested in intelligent interactive systems, a research area that
bridges artificial intelligence and human-computer interaction. Recent
projects pursued by his group contributed to diverse areas such as
personalized adaptive user interfaces, systems for supporting collective
creativity, organic crowdsourcing, large-scale experimentation in the wild,
and learning technologies.
Prior to arriving at Harvard, Krzysztof was a postdoctoral researcher at
Microsoft Research. He received his Ph.D. from the University of Washington
and his M.Eng. and B.Sc. degrees from MIT. In the Fall of 2005, he was
visiting faculty at the Ashesi University in Accra, Ghana, where he taught
Introduction to Artificial Intelligence. Krzysztof is a coeditor-in-chief
of the ACM Transactions on Interactive Intelligent Systems. He is a
recipient of a Sloan Research Fellowship.