S1 bits-2-info-sourcing
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Transcript of S1 bits-2-info-sourcing
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Sec 1Computer Studies
Lesson 2, 2009Online Information Sourcing
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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/
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Some RulesA reminder
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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
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PunctualityWait outside until at least 90% of the class is here – IT rep to take
attendanceDon’t let people wait for you!
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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
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During LectureHands and eyes off the computers, please! If not...
Hands and eyes off one another also
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During TutorialFollow computer lab rules
Stay seated – it’s a crowded labKeep noise level to an acceptable level
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Done With Work?What is “acceptable use” of the computer?
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Logging InNovell Login:
Check “Workstation Only”User: student, password: students
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EduLearn AccountOnline learning management system for:
Checking teachers’ messages and announcements
Getting your notes and online lesson materialDoing quizzes and surveys
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How to log onhttp://www.ri.sch.edu.sghttp://ri.asknlearn.com
Username and password: NRIC
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EduLearn Interface
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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
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(If necessary)Authoring Mode → Communication → Survey
Choose “Secondary Computer Studies”Click on survey
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Search StrategiesWhy do we need search strategies?
Imagine you are answering a question you don’t have any clue about. Examples...
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Exercise 1
http://21cif.imsa.edu/tutorials/challenge/SC001/http://21cif.imsa.edu/tutorials/challenge/SC001/SC_002.swfSC_002.swf
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How Do Search Engines Work?
“Spiders” crawl the internet and compile a database of keywords Results are ranked by certain algorithms
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Effective SearchingPreliminary search for “clues”
Keywords and operators relevant to your search
Searching in the right placesRevise search terms and keywords
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Preliminary SearchWhat kind of preliminary search would you do for this topic:
“What policies have been implemented for children with special needs in education?”
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KeywordsIdentify the following in these searches:
Keywords, key phrases, words that can be left out
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Keyword Identification
Who first claimed that China’s Great Wall can be effectively seen from space?
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Keyword Identification
What fish other than piranhas in the Amazon is a threat to humans?
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OperatorsInclude: +Exclude: -
ORPhrase searching – “global warming”
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Search EnginesNot everything can be found on Google / Yahoo
Using a directory or specialised search engine
The Invisible Web
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Specialised Search Engines
Google ImagesGoogle Scholar
Google Blog Search / TechnoratiGoogle News
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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
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NLB eDatabasesHigh-quality online databases
Free access to NLB Digital Library membershttp://www.nlb.gov.sg
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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
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Exercise 2
http://21cif.imsa.edu/tutorials/challenge/SC001/http://21cif.imsa.edu/tutorials/challenge/SC001/SC_001.swfSC_001.swf
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Exercise 3
http://21cif.imsa.edu/tutorials/challenge/SC001/http://21cif.imsa.edu/tutorials/challenge/SC001/SC_directory.htmlSC_directory.html
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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/