Ed H. Chi – Communications of the ACM

Research and Advances Sep 1 2017

Technical Perspective: Humans and Computers Working Together on Hard Tasks

"Scribe," by Walter S. Lasecki, et al., is one of the first in a recent set of crowdsourcing papers that demonstrated how human workers can collaborate with computing systems to accomplish a real-time task that is difficult for either one to do by itself.

Computing Applications

Author Archives

BLOG@CACM Oct 24 2012

Priming, Assimilation Bias, Social Proof in Social Media

As the US election draws near, what is the role that social media play in this political process? How do social theories and psychological tendencies affect the political discourse in these systems?

Computing Profession

BLOG@CACM Oct 1 2012

Online Privacy; Replicating Research Results

Daniel Reed offers three ideas about the future of personal online information management. Ed H. Chi writes about replication of experiments and how experiments are often the beginning, rather than the end, of a scientific inquiry.

Computing Applications

BLOG@CACM Apr 2 2012

Using ‘Averages’ While Thinking About Social Behavior? That’s Probably Wrong!

Using "averages" as a metric while thinking about Social Systems is probably wrong.

Data and Information

Research and Advances Apr 1 2012

Technical Perspective: Who Knows?: Searching For Expertise on the Social Web

It is difficult to remember what people had to do to find the answer to a question before the Web. One option might be to call a friend who might know the answer. This instinct to call someone is baked into the DNA of Aardvark, the social question and answering engine.

Computing Applications

BLOG@CACM Jul 1 2011

Reviewing Peer Review

Jeannette M. Wing discusses peer review and its importance in terms of public trust. Ed H. Chi writes about alternatives, such as open peer commentary.

Computing Applications

BLOG@CACM Jun 22 2011

On the Importance of Replication in HCI and Social Computing Research

How does replication of experiments and systems move HCI research forward? Wouldn't replication simply waste valuable researcher energy that might be better spent on actually creating new novel ideas or systems? This essay argues that replication is more than just duplication of work, but instead is an essential step in scientific explorations.

HCI

BLOG@CACM Oct 18 2010

How Should Peer Review Evolve?

A simmering debate on peer review processes threatens to boil to the surface of various discussion forums for the scientific communities and the public at large. What are the issues, historical context, and issues we must consider?

Computing Profession

BLOG@CACM Sep 1 2010

Mind Meld in Group Decision Making

Social computing remains a hot research topic, and basic research on understanding group decision making and conditions under which crowdsourcing can lead to advantages is sparse. Here is one recent result on how to combine perceptual evidence from multiple people to make better decisions.

Computing Profession

BLOG@CACM Sep 1 2010

Expanding CS Education; Improving Software Development

Ed H. Chi writes about the social Web's impact on CS education. Ruben Ortega discusses software and test-driven development.

Computing Applications

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