s1 bits-2-info-sourcing
TRANSCRIPT
Sec 1Computer Studies
Lesson 2, 2009Online Information Sourcing
TodayRules: A reminderEduLearn AccountSearch strategies
Evaluating sourcesPreventing plagiarism
Adapted from GE IRS workshop on “Information Sourcing and Searching”, RGS and “21st Century Information Literacy”, IMSA http://21cif.imsa.edu/
Some RulesA reminder
Computer Lab Rules
Please don’t...Play computer games or log on to internet chat
Eat or drink in the labGo to undesirable sites
Enter the staff area
PunctualityWait outside until at least 90% of the class is here – IT rep to take
attendanceDon’t let people wait for you!
When You Come InSit in register order, spiralling from register
number 1 (near the entrance)Do not turn on the computer until told to do so
During LectureHands and eyes off the computers, please! If not...
Hands and eyes off one another also
During TutorialFollow computer lab rules
Stay seated – it’s a crowded labKeep noise level to an acceptable level
Done With Work?What is “acceptable use” of the computer?
Logging InNovell Login:
Check “Workstation Only”User: student, password: students
EduLearn AccountOnline learning management system for:
Checking teachers’ messages and announcements
Getting your notes and online lesson materialDoing quizzes and surveys
How to log onhttp://www.ri.sch.edu.sghttp://ri.asknlearn.com
Username and password: NRIC
EduLearn Interface
Exercise 0Log on to EduLearn and change your password
(please remember it)Do the survey “Sec 1 Computer Studies Survey”
Time: 5 minutesAfter 5 minutes, please switch off your monitor
(If necessary)Authoring Mode → Communication → Survey
Choose “Secondary Computer Studies”Click on survey
Search StrategiesWhy do we need search strategies?
Imagine you are answering a question you don’t have any clue about. Examples...
Exercise 1
http://21cif.imsa.edu/tutorials/challenge/SC001/http://21cif.imsa.edu/tutorials/challenge/SC001/SC_002.swfSC_002.swf
How Do Search Engines Work?
“Spiders” crawl the internet and compile a database of keywords Results are ranked by certain algorithms
Effective SearchingPreliminary search for “clues”
Keywords and operators relevant to your search
Searching in the right placesRevise search terms and keywords
Preliminary SearchWhat kind of preliminary search would you do for this topic:
“What policies have been implemented for children with special needs in education?”
KeywordsIdentify the following in these searches:
Keywords, key phrases, words that can be left out
Keyword Identification
Who first claimed that China’s Great Wall can be effectively seen from space?
Keyword Identification
What fish other than piranhas in the Amazon is a threat to humans?
OperatorsInclude: +Exclude: -
ORPhrase searching – “global warming”
Search EnginesNot everything can be found on Google / Yahoo
Using a directory or specialised search engine
The Invisible Web
Specialised Search Engines
Google ImagesGoogle Scholar
Google Blog Search / TechnoratiGoogle News
The Invisible WebIntentionally skipped over by search enginesProfessional-quality and more content than
the web we know, but private or password-protected
Try adding database, archive, repository to your search queries
NLB eDatabasesHigh-quality online databases
Free access to NLB Digital Library membershttp://www.nlb.gov.sg
Revising Search Terms
Once you have searched for your preliminary terms and keywords, look through your results and search for relevant terms that show up
Exercise 2
http://21cif.imsa.edu/tutorials/challenge/SC001/http://21cif.imsa.edu/tutorials/challenge/SC001/SC_001.swfSC_001.swf
Exercise 3
http://21cif.imsa.edu/tutorials/challenge/SC001/http://21cif.imsa.edu/tutorials/challenge/SC001/SC_directory.htmlSC_directory.html
TodayRules: A reminderEduLearn AccountSearch strategiesAny questions?
Adapted from GE IRS workshop on “Information Sourcing and Searching”, RGS and “21st Century Information Literacy”, IMSA http://21cif.imsa.edu/