Welcome!

1. Welcome!

2. Who am I? Jim Levin Department of Educational Psychology College of Education My background

3. Who are you? • Send me an email <j-levin@uiuc.edu> • Your name • Your department • Your goals for this class

4. Introduction • Course web site: http://www.ed.uiuc.edu/courses/edpsy387/fa99/ • Plan for the course

5. 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

6. Project-oriented course • Mini projects • Major project

7. Office hours • Monday, 10-11am, Room 188N Ed Bldg • Electronic office hours: anytime

8. 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

9. 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

10. The World-Wide Web • A distributed hypermedia • Different parts can be on different computers all around the world, with hypertextual links via the Internet

11. Web surfing • Web “surfing” • Advantages • Disadvantages

12. Surfing to Serving • Web Serving: • Advantages • Disadvantages

13. Education and the web • The Global Schoolnet web site • Harnessing the Power of the Web

14. 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

15. 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

16. 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

17. 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

18. Example:www.ed.uiuc.edu • Next to the left: uiuc • University of Illinois, Urbana-Champaign • Email example: l-gomez@nwu.edu • Northwestern University

19. Example: www.ed.uiuc.edu • computers in the Education Building at UIUC

20. Example: www.ed.uiuc.edu • www --> a particular computer in Room 10 of the Education Building

21. 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

22. 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/

23. 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/

24. Lab time • Room 10/16 • Sign in • No food or drinks

25. 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