webinar choosing tests b - do-it...
TRANSCRIPT
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8December2015
Choosingtherighttest
DrIanSmythe
Firesidechat
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Choosingtherighttest
8December2015
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Backgroundviewing
8December2015
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1. DecidewhatyouaretryingtodoandwhyDowereallywantaskillsorsubskill?
2. Isitcriterionornormreferenced?
3. Isitforrankingorforteaching?
Whytest?
8December2015
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1. You?
2. Theschool?
3. Examboard?
4. Educa�onAuthority?
5. Otherauthority?
Whohastoacceptit?
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ReliabilityValidityPopula�onSESLanguageDateoftes�ng
Criteria
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8December2015
Samplesizes
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8December2015
Averagingthesystem
6 7 8 9 10 11 12 13
150
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8December2015
Averagingthesystem
6-10 11-15 16-20 21-25 26-30 31-35 36-40 41-45
150
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Guidelinesontestacceptability
8December2015
h�p://ptc.bps.org.uk/sites/ptc.bps.org.uk/files/Documents/Applica�on%20Packs%20and%20Forms/EFPA%20TEST%20REVIEW%20FORM%20and%20NOTES%20Version%203-42-EU%20v2.pdf
Whodecideswhichisright?
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Memorytests–thewhys
8December2015
h�p://www.dyslexia-interna�onal.org/content/Informal%20tests/Digitspan.pdf
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Tradi�onal:“Twoofthesamelengthandfinish”
Workingmemory
8December2015
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Choosingtherighttest
8December2015
Shouldscore120
Repeatedlyaverage80
SmallSD
Shouldscore120
Repeatedlyaverage120
SmallSD
Shouldscore120
Repeatedlyaverage120
Largevaria�on
Shouldscore120
Repeatedlyaverage80
Largevaria�on
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Howtocheatthesystem
8December2015
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Predic�ngdyslexia
6October2015
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1)Researcherasksagroupofschoolstohelp,andtestallchildren.
2)Researcherdecidewhoisdyslexic,usingsameprinciplesasusedinthetestbeingdeveloped
3)Sta�s�csseparatethetwogroups–dyslexicvsnon-dyslexic
4)Usegroupingsta�s�cstoshowpredictors
5)Ignorecorrela�onsbetweentests
Selffulfillingprophesy
8December2015
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Howtomakeadyslexiatest
8December2015
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Howtomakeadyslexiatest
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Grouping
8December2015
Whathappenswhentwotestsareinvolved?
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Testcri�que
h�ps://prezi.com/yoguemziaj5w/tomal-test-cri�que/
8December2015
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h�ps://prezi.com/yoguemziaj5w/tomal-test-cri�que/
8December2015
Testcri�que
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h�ps://prezi.com/yoguemziaj5w/tomal-test-cri�que/
8December2015
Testcri�que
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h�ps://prezi.com/yoguemziaj5w/tomal-test-cri�que/
8December2015
Testcri�que
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h�ps://prezi.com/yoguemziaj5w/tomal-test-cri�que/
8December2015
Testcri�que
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h�ps://prezi.com/yoguemziaj5w/tomal-test-cri�que/
8December2015
Testcri�que
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Iden�fywhatyouwanttobetheoutcomeoftheassessmentprocess
Decidewhotheresultsarefor
Checkthefinedetailifcommercial
Donotassumeexpensive
orwidelyusedisgood
Summary
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Nexttalk
Doesdyslexiaconfervisualadvantagesinsociety?
PresentedbyDrIanSmythe
Tuesday,12thJanuary-7pmUK�meLink:Dotr.im/12Jan16
8December2015
Manypeoplesuggestthatthosewithdyslexiahaveadvantagesintheareasofvisualskills.Butisthisacaseofnatureornurture?Todate,theanecdotalevidenceseemstosuggestthereisanadvantage,whilsttheresearchsuggestitis,atbest,ambiguous.DrSmythewillpresenttheevidence,andsuggestwhyheconsidersbothsidesmayberight.