Job Analysis Rating Analysis via Item Response Theory - IPAC

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Missfitting <strong>Item</strong>s#21 Removes, carries, and maneuvers, straightladders, extension ladders, roof ladders, pole ladders,attic ladders, and A-Frame unassisted (3.06);50403020100notimportantsomewhatimportantimportantveryimportantmiss
#12 Locates Hidden Fire by Feeling walls and ceilingor by smelling fire (3.03);806040200notimportantsomewhatimportantimportantveryimportantmiss
Page 1 and 2: Job Analysis Rating Analysisvia Ite
Page 3 and 4: Despite Importance …• Perceived
Page 5 and 6: Why Item Response Theory?• Rasch
Page 7 and 8: ResultsTwo assumptions of Rasch mod
Page 9: Summary of Measured Items (Item Rel
Page 13 and 14: PERSONSMAP OF ITEMS|4 X +|||||3 +||
Page 15 and 16: EXPECTED SCORE: MEAN (":" INDICATES
Page 17 and 18: MOST MISFITTING RESPONSE STRINGSITE
Page 19 and 20: GUTTMAN SCALOGRAM OF RESPONSES:PERS
Page 21 and 22: Conclusions• Rasch model assumes
Page 23: Scale discriminates between the per

Job Analysis Rating Analysis via Item Response Theory - IPAC

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