Technical Report - International Military Testing Association

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One of the p~oblmnr that we probably all encounter in OUP taste me
hiuh intrPcorrel4tionr baltween rubfact-matter 4~448. mture t o r t v~lidation
affortr at USAF&Z will eneapparr further changes aimad of helping
LO 4llOvfate thfr 8ittUtiOtl. !?88Qntirlly, -14 Are now plannin~~ a factor
aulytic approach to telt. devrlopumnt. l-ho uhury4fin8P KwltlfoctoPl4l
itam-snolytlc method has been ool6cted for thir purpoor. It 16 a method
for sotfnrting f4ctor lordiago vithout the &rtai&bla tark of eauputing
4 10+tx-125 v4ri4bls fnt,oPCOPP4l4tfOU WLtriX. A6 coon a8 ccxeputer prograplo
4ro devolopod 4nd caarputor tio+o bocarnrr 4v4il4bl0, ths Evalu4tiou
Section will rprt6mtic4l.ly bogin utr4cting group8 of itan that rhatld
br rcorod tog&hat. We hlopa to obtain 8ovo~4l orthogonal rubto8t8.
Tbfr approach h48 two m4for adv8ntagor for the Army. Pir8t, it
8hould rerult i n an improwed diagnortic profila bec4ure mco~o8 uould
tend to be independent of uch other end thu8 vould be awra meaningful
and more e48ily interpreted. A profile tend8 to be of llrafted 000 if
the vufour profile � ��� being 8COTOd are highly intercorrelated.
Moxinnm utility o f profile .8cor48 demndr r414tiVOly unique varf4blo8,
which m4~nr th4t e4ch variable OP to8t ue4 me4ru~4o 4 factor uaivac4lly.
We are hoping that the Wherry-Wtnor approach till help u8 achiovo thi.8
end. A second advantage fr thrt we till lncr6686 our knoulodgc about
valid factora. If our Vo.riOU8 rubtest 4rQ uaivoc4~, the; masruram4at
of tha moat valid foctorr cm be BlltphaOfhad which w6 hope will lead to
wan gr6ator incPue68 in the validity of the tot41 ovalurticra te8t.
In 8u11ana~y, the ~80 of tha prerontly incorpor4tod proliminrry
validity x-sport and, ln puticul4P thr index of validity rhould help
to inprove the urafulnrrr of our sviluatfon tolta and incPea80 the
4ccurocy of porronnol docfrionr based upon thorn. Out long-rurge raoc&rch
probleo till ba that of dotsnalning the porribility of obtaining orthogonal
rUbtOrt vithln our 4VAlMtiOn te8t8.
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