department of information science and telecommunications a few informal experiments demonstrating...
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Department of Information Science and Telecommunications
A Few Informal Experiments A Few Informal Experiments DemonstratingDemonstrating
Selected Cognitive Concepts Selected Cognitive Concepts
Michael B. SpringDepartment of Information Science and Telecommunications
University of PittsburghPittsburgh, Pa 15260
Email: spring@imap.pitt.edu Web: http://www.sis.pitt.edu/~springVoice: (412) 624-9429 Fax: (412) 624-2788
Department of Information Science and Telecommunications
IntroductionIntroduction
What do we know about how people read?
How do we use “ecological” information?
What do we know about the processing of symbolic and pictorial information?
What do we know about preattentive processing?
What do we know about memory? What do we know about conflicts?
Department of Information Science and Telecommunications
How we ReadHow we Read
The shell was critical to development.
It can be applied in several disciplines.
EMERGENCY Emergency
Emergency Emergency
Department of Information Science and Telecommunications
Reading Speed and comprehension(1)Reading Speed and comprehension(1)
Developed by MIT’s Center for Advanced Educational Service, PIVot combines streaming video, textbook material, lecture transcription, simulations, and problem sets in a unique approach to tutoring. According to Richard Larson, principal investigator on the project, it’s designed to enhance the learning experience for students, supplementing rather than replacing lectures and book learning. This “deep nonlinear learning environment” is driven by a database engine that personalizes the tutoring experience for each student who uses it. PIVot incorporates a number of unique features.
Department of Information Science and Telecommunications
Reading Speed and comprehension(2)Reading Speed and comprehension(2)
Browser-based authoring also helps shrink the time and effort devoted to content creation and distribution, so companies can concentrate on other management functions. “We have browser-based Web authoring, but we see it as one of many processes that are required to have a collaborative e-business solution,” says Scott Zirbel, director of sales and marketing for Exterprise. Exterprise’s ActiveMarket is aimed at large online marketplaces, giving them the ability to manage the entire process of content creation, submission, review, approval, and publication.
Department of Information Science and Telecommunications
Reading Speed and comprehension(3)Reading Speed and comprehension(3)
Web-page creation long ago advanced beyond the realm of the Webmaster. Programs such as Microsoft’s FrontPage gave the great unwashed a taste of site building. But as companies continue to decentralize their content creation and management, online communities and marketplaces are turning to browser-based programs that let system administrators set access rights for individual users so that employees—or business partners, portal members, or ASP customers—can edit their own pages, leaving professional Web-site creators free to focus on more sophisticated tasks.
Department of Information Science and Telecommunications
Knowledge in the worldKnowledge in the world
Department of Information Science and Telecommunications
The Gestalt Phenomena – CompletionThe Gestalt Phenomena – Completion
Department of Information Science and Telecommunications
Symbolic Processing vs VisualizationSymbolic Processing vs Visualization
Apalachicola,FL 29.73 85.03 Naples,FL 26.13 81.80DaytonaBeach,FL 29.18 81.05 Orlando,FL 28.43 81.32
FortMyers,FL 26.58 81.87 SaintPeters,FL 27.92 82.68FtLauderdale,FL 26.07 80.15 Sarasota,FL 27.40 82.55Jacksonville,FL 30.23 81.68 Tallahassee,FL 30.38 84.37
KeyWest,FL 24.55 81.75 WPalmBeach,FL 26.68 80.12
•Two pairs of closest cities•Two most distant•Most centered – shortest combined distance to all others
Department of Information Science and Telecommunications
Symbolic Processing vs VisualizationSymbolic Processing vs Visualization
St Peters Sarasota
Panama Tallahassee
West Palm
Lauderdale Fort Meyers
Apalachicola
Jacksonville
Orlando
Daytona
Naples
•Two pairs of closest cities•Two most distant•Most centered – shortest combined distance to all others
Key West
Department of Information Science and Telecommunications
Preattentive 1Preattentive 1
Find the Letter Q
Department of Information Science and Telecommunications
CAD ZXC ZXAKO SJD FNKA SJN DFJ ANB DSF JHDS JHG ADJF GKJA DKFJN GKJ DN MBNOM LRT LF K JGY UDSKFJ GKJS JLGKJAD FKJG K AJBFDGVFI EKJTG IUER THIUT YH IUB FJB DFFJA SNBF KJADS KSJD FNKASJNDFJ ANB DSF JHDS JHG ADJF GKJ XCCO DS DFZO DA DKFJJ YHN GKJSDF K JG DSKFJ GKS FQJS DFLH KG KJSDN FGKJ SKJ DF KSJBN HGJHD FNKASJ NDFJ ANB DSF JHDS JHG ADJF GKJA DKFJN GKJSDF K JG DSKFJ GKJS DFLKG KJSDN FG KJ SKJ DK L HJK LN MBB NVMF
Department of Information Science and Telecommunications
Preattentive 2Preattentive 2
Find the Red Letter
Department of Information Science and Telecommunications
CAD ZXC ZXAKO SJD FNKA SJN DFJ ANB DSF JHDS JHG ADJF GKJA DKFJN GKJ DN MBNOM LRT LF K JGY UDSKFJ GKJS JLGKJAD FKJG K AJBFDGVFI EKJTG IUER THIUT YH IUB FJB DFFJA SNBF KJADS KSJD FNKASJNDFJ ANB DSF JHDS JHG ADJF GKJ XCCO DS DFZO DA DKFJJ YHN GKJSDF K JG DSKFJ GKS FQJS DFLH KG KJSDN FGKJ SKJ DF KSJBN HGJHD FNKASJ NDFJ ANB DSF JHDS JHG ADJF GKJA DKFJN GKJSDF K JG DSKFJ GKJS DFLKG KJSDN FG KJ SKJ DK L HJK LN MBB NVMF
Department of Information Science and Telecommunications
Preattentive 3Preattentive 3
Find the Green Letter – thanks to a skeptical student from Molde
Department of Information Science and Telecommunications
CAD ZXC ZXAKO SJD FNKA SJN DFJ ANB DSF JHDS JHG ADJF GKJA DKFJN GKJ DN MBNOM LRT LF K JGY UDSKFJ GKJS JLGKJAD FKJG K AJBFDGVFI EKJTG IUER THIUT YH IUB FJB DFFJA SNBF KJADS KSJD FNKASJNDFJ ANB DSF JHDS JHG ADJF GKJ XCCO DS DFZO DA DKFJJ YHN GKJSDF K JG DSKFJ GKS FQJS DFLH KG KJSDN FGKJ SKJ DF KSJBN HGJHD FNKASJ NDFJ ANB DSF JHDS JHG ADJF GKJA DKFJN GKJSDF K JG DSKFJ GKJS DFLKG KJSDN FG KJ SKJ DK L HJK LN MBB NVMF
Department of Information Science and Telecommunications
Preattentive 4Preattentive 4
Find the open circle
Department of Information Science and Telecommunications
Department of Information Science and Telecommunications
Preattentive 5Preattentive 5
Find the closed circle
Department of Information Science and Telecommunications
Department of Information Science and Telecommunications
RecallRecall
Here are a list of fonts
Department of Information Science and Telecommunications
TimesNewRoman Courier Helvetica Palatino Arial AvantGarde Bookman Bedrock NewCenturySchoolBook
Department of Information Science and Telecommunications
RecallRecall
Name a font beginning with a P
Department of Information Science and Telecommunications
RecognitionRecognition
Name a font beginning with a N TimesNewRoman Courier Helvetica Palatino Arial AvantGarde Bookman Bedrock NewCenturySchoolBook
Department of Information Science and Telecommunications
Short Term Memory & ChunkingShort Term Memory & Chunking
Be prepared when the list is completed to write the numbers down in the order that you saw them.
Department of Information Science and Telecommunications
11
Department of Information Science and Telecommunications
44
Department of Information Science and Telecommunications
99
Department of Information Science and Telecommunications
22
Department of Information Science and Telecommunications
11
Department of Information Science and Telecommunications
77
Department of Information Science and Telecommunications
77
Department of Information Science and Telecommunications
66
Department of Information Science and Telecommunications
11
Department of Information Science and Telecommunications
00
Department of Information Science and Telecommunications
66
Department of Information Science and Telecommunications
66
Department of Information Science and Telecommunications
Department of Information Science and Telecommunications
Here is another memory taskHere is another memory task
Be prepared when it is done to list the numbers in order on your sheet
Department of Information Science and Telecommunications
14921492
Department of Information Science and Telecommunications
17761776
Department of Information Science and Telecommunications
10661066
Department of Information Science and Telecommunications
Stroop Effect 1Stroop Effect 1
Department of Information Science and Telecommunications
Stroop Effect 2Stroop Effect 2
HFDF JD FHFD HAFDLGMADFLMGAD
FDKLGHJGHJJALKDFDFGHJHGJLAD;FLK
SDFAJMSL;KDJFASDFLHJKASL;DDFLAGHJJHKSLDASDLHJGKFAL;S
DSAFLAKSDKF;LASSDAOFPOASKDPOFASDFOAHJGHKASD
ASOPDFKODFKJA
Department of Information Science and Telecommunications
Stroop Effect 3Stroop Effect 3
GREENREDBLUE
YELLOWORANGEGREENBLACKBLUERED
BLACKYELLOW
RED
Department of Information Science and Telecommunications
A “Dozen” PrinciplesA “Dozen” Principles
Recognition is easier than recall There are visual shortcuts to awareness
(Triesman) Scripts and schema seem to explain
important aspects of cognition (Shank) People use both functional and
structural models of the world It is possible to encode knowledge in
the world (Gibson) It is clear that people enhance what
they perceive (Marr)
Department of Information Science and Telecommunications
A “Dozen” Principles (continued)A “Dozen” Principles (continued)
There is evidence that people process information both propositionally and analogically (Shepard)
Working memory and the nature of attention make multiple high level processes difficult but do not interfere with automatic processes
There is evidence that memory is organized so as to support “prototypes” (Rosch)
One of the easiest ways to learn is through analogy and metaphor
Color can aid and interfere with symbolic processing
Department of Information Science and Telecommunications
What is your 12th Principle?What is your 12th Principle?
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