[Probcogsci] Talk time: 2 PM

[Angela Yu]

Dear all,

I forgot to say that the talk is at 2 PM in the same seminar room  
where our reading group meets.

Best wishes,
Angela

Begin forwarded message:

> From: Angela Yu <ajyu at mail.ucsd.edu>
> Date: April 24, 2009 12:32:04 PM PDT
> To: "natcomp at cogsci.ucsd.edu" <natcomp at cogsci.ucsd.edu>, "probcogsci at ling.ucsd.edu 
> " <probcogsci at ling.ucsd.edu>
> Subject: [Probcogsci] Talk on Mon April 27
>
> Dear all,
>
> We have a guest speaker (Riccardo Pedersini, postdoc from Jeremy  
> Wolfe's lab at Harvard) on Monday at the Natcomp lab meeting.   
> Please let me know if you would like to meet with the speaker, and  
> your availability.
>
> Best wishes,
> Angela
>
> Title. Repeated choices in visual and abstract tasks.
> Abstract. It is well established that people are uncertainty averse  
> (Ellsberg, 1961). Yet, I will compare two series of experiments  
> suggesting that people may be better off in decisions under  
> uncertainty than in decisions under risk. First, I will discuss a  
> visual search task, in which subjects had to search for weapons in  
> images of x-rayed bags. Their performance was nearly optimal and  
> they tended to maximize value over accuracy. Then, I will present a  
> task which mimics visual search, but in fact consists of a series of  
> repeated gambles with known probabilities. Subjects, this time, were  
> definitely suboptimal. As opposed to visual search, they had all the  
> information they needed to compute the optimal strategy, but they  
> did not take advantage of it.
>

---------------------------------------------------------
Angela J. Yu
Assistant Professor
Department of Cognitive Science
UCSD, Mail Code 0515
9500 Gilman Drive
La Jolla, CA 92093-0515

Email: ajyu at cogsci.ucsd.edu
Phone: 858-822-3317
Fax: 858-534-1128
Website: www.cogsci.ucsd.edu/~ajyu
---------------------------------------------------------

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