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bdkbZ—7% fo'oluh;rk% izdkj] fof/;k¡ rFkk mi;ksx
rkfoZQd rqY;rk xq.kd fofèk dh lhek,¡ (Limitations of Rational Equivalence Method)—bldh izeq[k uksV
lhek,¡ vèkksfyf[kr gSaμ
1- bl fofèk dk nks"k ;g gS fd fo'oluh;rk dh x.kuk esa inksa osQ dfBukbZ Lrj dks egRo ugah fn;k tkrk
gSA owQMj us bu lw=kksa dk fodkl ;g ekudj fd;k gS fd inksa dk dfBukbZ Lrj leku gksrk gSA
2- bl fofèk ls fo'oluh;rk xq.kd okLrfodrk ls de vkrk gS D;ksafd lw=kksa esa fo'oluh;rk dh x.kuk esa
inksa dh pfjrk dks vyx ugha fd;k tkrk gSA inksa dk viuk dfBukbZ Lrj gksrk gSA
3- bl fofèk dk iz;ksx 'kfDr ijh{k.kksa (Power test) vFkok fotkrh; inksa osQ ijh{k.k osQ fy, vfèkd mi;ksxh
ugha gSA
rkfoZQd rqY;rk fo'oluh;rk dk vFkkZiu (Interpretation of Rational Equivalence Reliability)—bl
fofèk }kjk izkIr fo'oluh;rk xq.kd lkekU; vkSj fof'k"V dkjdksa osQ LFkk;h vkSj vLFkk;h xq.kksa ij vkèkkfjr gksrh
gSA D;ksafd ijh{k.k dks ,d gh ckj nsdj fo'ys"k.k }kjk fo'oluh;rk dh x.kuk dh tkrh gSA
(5) pfjrk fo'ys"k.k fofèk vFkok âkbV fo'oluh;rk (Analysis Variance Method or Hoyt’s Reli-
ability)
;g fofèk mijksDr lHkh fofèk;ksa osQ lqèkkj osQ :i esa gS] D;ksafd mijksDr lHkh fofèk;ksa dh ;g voèkkj.kk gS fd ijh{k.k
osQ inksa dk dfBukbZ&Lrj leku gksrk gS vkSj in dh dfBukbZ ijh{kkFkhZ dh tkudkjh ij fuHkZj djrh gSA ijUrq ;g
voèkkj.kk U;k; laxr ugha gSA D;ksafd in fo'ys"k.k (Item Analysis) esa inksa dk p;u muosQ dfBukbZ&Lrj vkSj
foHksnhdj.k dh 'kfDr dks è;ku esa j[kdj fd;k tkrk gSA blls Li"V gS fd ijh{kkFkhZ dh tkudkjh osQ lkFk&lkFk
in dk dfBukbZ Lrj Hkh gksrk gSA 'kfDr ijh{k.k vkSj xR;kRed ijh{k.k (Speeded Test) esa inksa dks dfBukbZ Lrj
osQ vkèkkj ij ijh{k.k esa j[kk tkrk gSA lcls ljy lcls igys vkSj lcls dfBu lcls vUr esa] ;g Øe j[kk
tkrk gSA vr% mijksDr pkjksa fofèk;k¡ xfr ijh{k.k (Speed test) dh fo'oluh;rk Kkr djus osQ fy, mi;qDr izrhr
gksrh gSA xR;kRed ijh{k.k dh fo'oluh;rk osQ fy, iz;qDr djus ij 'kq¼ fo'oluh;rk xq.kd ugha izkIr gksrk gSA
âkbV (Hoyt) us viuh fofèk pfjrk fo'ys"k.k esa in pfjrk vkSj ijh{kkFkhZ pfjrk nksuksa dks egRo fn;k gSA izkIrkadksa
dh pfjrk esa ls inksa dh pfjrk dks ?kVkdj fo'oluh;rk xq.kd dh x.kuk dh tkrh gSA bl rF; dk Li"Vhdj.k
;gk¡ fd;k x;k gSA ;g xq.kd vis{kkÑr vfèkd gksrk gSμ
okLrfod vda dh pfjrk σ 2 t
fo'oluh;rk xq.kd = r = 2
tt
ikz Irkad pfjrk σ x
âkbV osQ vuqlkj fo'oluh;rkμ
okLrfod vdaks dh pfjrk
a
fo'oluh;rk xq.kd =
s
ikz Irkda pfjrk μ inka dh pfjrk
σ 2
t
r = σ− σ 2 i
tt
2
x
2
tcfd σ = in pfjrk
i
2
σ = vadksa dh pfjrk
X
2
σ = okLrfod vadksa dh pfjrk
t
mijksDr lw=k ls Li"V gksrk gS fd in pfjrk osQ ?kVkus ij Hkktd de gks tk;sxk ftlls fo'oluh;rk xq.kd
igys ls vfèkd izkIr gksxk tks okLrfod fo'oluh;rk xq.kd osQ lehi gksxhA bl izdkj vfèkd 'kq¼ xq.kkad
izkIr gksrk gSA
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