Page 101 - DEDU504_EDUCATIONAL_MEASUREMENT_AND_EVALUATION_HINDI

bdkbZ—7% fo'oluh;rk% izdkj] fof/;k¡ rFkk mi;ksx

uksV

rqY;rk xq.kd ijh{k.k osQ lkekU; dkjd vadksa osQ LFkk;h vkSj vLFkk;h xq.kksa ij vkèkkfjr gksrh gSA bl fofèk
osQ vUrxZr ijh{k.k osQ nks lekUrj izk:i ,d gh fnu ,d gh U;kn'kZ dks fn;s tkrs gSa blfy, mu nksuksa izk:iksa
osQ izkIrkadksa esa lg&lEcUèk lkekU; dkjd osQ LFkk;h vkSj vLFkk;h nksuksa xq.kksa ij vkfJr gksrk gS] tcfd
iquiZjh{k.k esa lkekU; vkSj fof'k"V dkjdksa osQ LFkk;h xq.k ij vkèkkfjr gksrs gSaA blfy, iquiZjh{k.k xq.kd] rqY;rk
xq.kd ls lnSo vfèkd gksrk gSA

(3) LFkkf;Ro ,oa rqY;rk xq.kd vFkok v¼Z foPNsn fofèk (Coefficient of Stability and Equivalence
or Split half Method)—fo'oluh;rk Kkr djus dh ;g fofèk mijksDr nksuksa fofèk;ksa dh lhekvksa dks è;ku esa
j[krs gq, bl fofèk dk fodkl fd;k x;k gSA bl fofèk esa ijh{k.k dks U;kn'kZ osQ ijh{kkfFkZ;ksa dks ,d gh ckj fn;k
tkrk gS vkSj ,d gh ckj osQ izkIrkadksa dk fo'ys"k.k djosQ fo'oluh;rk xq.kd Kkr dj fy;k tkrk gSA bl fofèk
esa ijh{k.k osQ inksa dks nks leku Hkkxksa esa foHkkftr dj fy;k tkrk gS] tSlsμ(Even) leØe la[;kvksa osQ inksa dks
,d [k.M esa vkSj nwljs fo"keØe esa (Odd) fo"keØe la[;kvksa osQ inksa dks nwljs [k.M esa lfEefyr djrs gSa] vkSj
izR;sd Nk=k osQ izkIrkad dks Hkh blh izdkj nks [k.Mksa esa vyx&vyx vadu djosQ O;ofLFkr djrs gSaA bldk rkRi;Z
;g gS fd ,d ijh{kkFkhZ osQ mÙkjksa dk vadu leØe la[;kvksa osQ inksa dk vadu i`Fkd :i esa djrs gSa vkSj nwljh
ckj fo"keØe la[;kvksa osQ inksa dk vadu djrs gSaA bu nksuksa [k.Mksa osQ izkIrkadksa esa ih;lZu dh fofèk }kjk lg&lEcUèk
dh x.kuk djrs gSaA ;g lg&lEcUèk xq.kd vkèks ijh{k.k dh fo'oluh;rk dks iznf'kZr djrk gSA bldk Li"Vhdj.k
bl izdkj gSμ
ijh{kkFkhZ izFke [k.M (X ) f}rh; [k.M (X )
1 2
le Øela[;k in fo"ke Øela[;k in
1. X 11 X 21
2. X 12 X 22
3. X X
13 23
4. X 14 X 24

M M M
N N 1N X 2N
Σ xx
12
r
fo'oluh;rk xq.kd (vkèks ijh{k.k dh) x x =
1, 2 1, 2 N σσ 2 x
1 x

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