Page 102 - DEDU504_EDUCATIONAL_MEASUREMENT_AND_EVALUATION_HINDI

'kSf{kd ekiu rFkk ewY;kadu

uksV mijksDr fofèk }kjk vkèks ijh{k.k dh fo'oluh;rk xq.kd dh x.kuk dh tkrh gSA lEiw.kZ ijh{k.k dh fo'oluh;rk
xq.kd osQ fy, Lih;jesu czkmu izksisQlh lw=k (Spearman Brown Prophesy Formula) dk iz;ksx djrs gSa tks
fuEukafdr gSμ
nr
x
r xx = 1 + (n − x 1, 2 1, 2 x 1, 2 1, 2 vkèks ijh{k.k dk lglEcUèk xq.kd Kkr gksrk gSA
1) r
x
nr 2r
t
t
vFkok r = 1 + (n − t / 2 /2 t /2 /2 = 1 + t r /2 / 2 lEiw.kZ ijh{k.k gsrq nqxuk djuk gksrk gSA
u
1)r
t
/ 2 /2
t
t
tcfd r = lEiw.kZ ijh{k.k dh fo'oluh;rk
u
n = ijh{k.k osQ vkèkkj esa o`f¼ vFkkZr nqxuk
r t/2t/2 = vkèks ijh{k.k dh fo'oluh;rk
mnkgj.kμvkèks ijh{k.k dh fo'oluh;rk .80 gS rks lEiw.kZ ijh{k.k dh fo'oluh;rk Kkr dhft,A ijh{k.k dk
vkdkj nqxuk (n = 2) gksxkA
2 × .80 1.60 8
r = 1 + .80 = 1.80 = 9 = 0.89
u
v¼Z&foPNsn fofèk dh voèkkj.kk (Assumptions of Split-half Method)—bl fofèk dh vo/kj.kk,¡
vèkksfyf[kr gSaμ

1- ijh{k.k osQ lHkh inksa dk dfBukbZ Lrj leku gksrk gS blfy, nks [k.Mksa esa ck¡Vus ls nksuksa leku gksrs gSaA
blfy, bls rqY;rk xq.kd dgrs gSaA
2- nksuksa [k.Mksa osQ foHkktu esa ;g Hkh è;ku j[kk tkrk gS fd ikB~;oLrq Hkh nksuksa esa leku gks] blfy, LFkkf;Ro
(Satability) xq.kd Hkh dgrs gSaA
3- nksuksa [k.Mksa esa inksa dh la[;k leku gksrh gS rFkk nksuksa [k.Mksa osQ inksa dks ljy djus esa le; Hkh leku
yxrk gSA
4- bl fofèk esa lEiw.kZ ijh{k.k dk fo'oluh;rk xq.kd Kkr djus esa Lih;jeSu czkmu izksisQlh lw=k dk iz;ksx
vko';d gksrk gSA vr% bl lw=k dh voèkkj.kk,¡ Hkh bl fofèk esa ekU; gksrh gSaμ
v¼Z&foPNsn fofèk osQ fo'ks"krk,¡ (Characteristics of Split-half Method)—bl fofèk dh izeq[k fo'ks"krk,¡
bl izdkj gSaμ
1- mijksDr nksuksa fofèk;ksa dh lhekvksa dk bl fofèk esa iw.kZ :i ls lqèkkj fd;k x;k gSA
2- fo'oluh;rk xq.kd dks Le`fr] vH;kl] dkS'ky ifjiDork vkfn dkjd izHkkfor ugha djrs gSaA

3- ;g fofèk le;] 'kfDr vkSj èku dh n`f"V ls ferO;;h gSA D;ksafd blesa ijh{k.k ,d gh ckj fd;k tkrk gSA
4- ;g fofèk xfr ijh{k.k vFkok ltkrh; ijh{k.k dh fo'oluh;rk osQ fy, vfèkd mi;qDr gS] D;ksafd bldh
voèkkj.kk ;g gS fd inksa dk dfBukbZ&Lrj leku gksrk gSA
v¼Z foPNsn fofèk osQ mi;ksx (Use of Split-halfs Method)—bl fofèk dk iz;ksx vèkksfyf[kr ijh{k.kksa osQ
fy, fd;k tkrk gSμ
1- bl fofèk esa vkdfLed =kqfV esa fo'oluh;rk xq.kd osQ vfèkd gksus dh lEHkkouk jgrh gSA
2- ijh{k.k oQks nks [k.Mksa esa dbZ izdkj ls foHkkftr dj ldrs gSa] tSlsμvkjEHk osQ ipkl izfr'kr vkSj vUr
osQ ipkl izfr'kr vFkok fo"ke Øela[;k vkSj le Øela[;k osQ inksa dks vFkok ykWVjh iz.kkyh osQ }kjk
vkfnA

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