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Welcome!. Who am I?. Jim Levin Department of Educational Psychology College of Education My background. Who are you?. Send me an email <[email protected]> Your name Your department Your goals for this class. Introduction. Course web site: http://www.ed.uiuc.edu/courses/edpsy387/fa99/

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who am i
Who am I?

Jim Levin

Department of Educational Psychology

College of Education

My background

who are you
Who are you?
introduction
Introduction
  • Course web site: http://www.ed.uiuc.edu/courses/edpsy387/fa99/
  • Plan for the course
plan for edpsy 387
Plan for EdPsy 387
  • First part of class meeting a tutorial/presentation/conversation
  • Short break at about 10:00: 5 minutes
  • Lab part of class: a time for you to do what we just talked about, with support from me and the rest of the class
project oriented course
Project-oriented course
  • Mini projects
  • Major project
office hours
Office hours
  • Monday, 10-11am, Room 188N Ed Bldg
  • Electronic office hours: anytime
educational uses of the web from surfing to serving
Educational uses of the web:“From surfing to serving”
  • Initially people see the Internet as a vast source of information
  • The web as a distributed hypermedia
hypertext hypermedia
Hypertext & Hypermedia
  • Our class web page as a hypertext
  • What is hypertext?
  • Text that can be read in multiple ways
  • Print hypertexts?
  • Hypermedia: hypertext+graphics+sound+video+animation+etc.= hypertextual multimedia
the world wide web
The World-Wide Web
  • A distributed hypermedia
  • Different parts can be on different computers all around the world, with hypertextual links via the Internet
web surfing
Web surfing
  • Web “surfing”
    • Advantages
    • Disadvantages
surfing to serving
Surfing to Serving
  • Web Serving:
    • Advantages
    • Disadvantages
education and the web
Education and the web
  • The Global Schoolnet web site
    • Harnessing the Power of the Web
search engines
Search Engines
  • Databases of web resources
  • Two kinds
    • Directories (human classified) - Ex: Yahoo
    • Web crawler-based (not human classified) - Ex: Excite
  • Which to use?
    • Use whichever ones you find useful
    • When you don’t find one useful, switch to another
understanding urls
Understanding URLs
  • A unique address for each web resource
  • Structure: what + which computer + which file
  • Example:http://www.ed.uiuc.edu/courses/edpsy387/fa99/index.html
  • What kind of resource: http:// -> Web file
  • Which computer: www.ed.uiuc.edu
  • Which file: courses/edpsy387/fa99/index.html
understanding computer names
Understanding Computer Names
  • Domain names: used both for computer names in URLs and in email addresses (whatever is the to the right of the @ sign)
  • Like a postal address, but with “.” instead of new line as separator
  • Most general to most specific, right to left
example www ed uiuc edu
Example:www.ed.uiuc.edu
  • From the right: edu -> US higher education institution
    • com --> US commercial institution
    • gov --> US federal government
    • org --> US non-profit
    • us --> US
    • mx -> Mexico
    • au -> Australia
    • Country code list: http://externic.net/iso.htm
example www ed uiuc edu18
Example:www.ed.uiuc.edu
  • Next to the left: uiuc
    • University of Illinois, Urbana-Champaign
  • Email example: [email protected]
    • Northwestern University
example www ed uiuc edu19
Example: www.ed.uiuc.edu
  • computers in the Education Building at UIUC
example www ed uiuc edu20
Example: www.ed.uiuc.edu
  • www --> a particular computer in Room 10 of the Education Building
sending saving urls
Sending/saving URLs
  • Have to get the URL exactly right (sometimes case mAtTeRs; no spaces ever)
  • Copy & paste is best
  • Emailing from your web browser
    • Advantages: can do anywhere
    • Disadvantages: need to set & then unset email preferences
  • Emailing yourself
using urls to evaluate web sites
Using URLs to evaluate web sites
  • Largest level domain: .edu vs. .com vs. …
  • Subdomain elements: .ed.uiuc vs. .cs.uiuc
  • Directory elements: /students/joe/ vs. /facstaff/chip/
  • Institutional vs. personal pages: /~jlevin/ vs. /deans/
for next week
For next week
  • Email me information about yourself
  • Skim through the Global Schoolnet website
  • Search for an exemplary educational website
  • Email me a message with the URL and a short description of an exemplary educational website
  • read the Bruce & Levin paper at http://www.ed.uiuc.edu/facstaff/chip/taxonomy/
lab time
Lab time
  • Room 10/16
  • Sign in
  • No food or drinks
digital photo
Digital Photo
  • Sign your name when you get your picture taken
  • To be used (if you choose to do so) on your personal web page
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