Job Analysis Rating Analysis via Item Response Theory - IPAC

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CATEGORY PROBABILITIES: MODES - Step measures atintersectionsP ++---------+---------+---------+---------+---------+---------++R 1.0 + +O | |B | |A |00 33|B .8 + 000 333 +I | 00 333 |L | 00 33 |I | 00 33 |T .6 + 00 3 +Y | 00 33 |.5 + 00 33 +O | *11111111111 22222222223 |F .4 + 111 00 1**2 33222 +| 111 00 22 11 33 222 |R | 11 0 22 11 3 222 |E | 111 0*2 ** 222 |S .2 + 111 222 00 33 11 222 +P |111 222 000 333 111 222|O | 222 33*00 1111 |N | 2222222 333333 000000 1111111 |S .0 +********33333333333333 000000000000000*******+E ++---------+---------+---------+---------+---------+---------++-3 -2 -1 0 1 2 3PERSON [MINUS] ITEM MEASURE
GUTTMAN SCALOGRAM OF RESPONSES:PERSON| ITEM|41 4111 1212 21234433124 22234 435531535354232 43451|7795356420110314879430149658823807121239074638655624952|-------------------------------------------------------69 +333333333333332333333333333333333333333333333333033333374 +333333333333332333333333333233333 333333333333033 3101047 +3333333333313223332333333333333332333333333333232033310103 +001010011101013000000000001100000100000000000000010000126 +1100011000201010000000010100000000000000010100010001000102 +000 000000000030000 000000000000000110010101100000010079 +0000000000200020000000000200000000000000000000010001000|-------------------------------------------------------|4194111421212312123443312458222347435531535354232643451|77 5356 0110 48794301496 82380 121239074638655 24952
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 and 10: Summary of Measured Items (Item Rel
Page 11 and 12: #12 Locates Hidden Fire by Feeling
Page 13 and 14: PERSONSMAP OF ITEMS|4 X +|||||3 +||
Page 15 and 16: EXPECTED SCORE: MEAN (":" INDICATES
Page 17: MOST MISFITTING RESPONSE STRINGSITE
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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