Page 103 - DEDU504_EDUCATIONAL_MEASUREMENT_AND_EVALUATION_HINDI

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

izR;sd foHkktu ls fo'oluh; xq.kd vyx&vyx izkIr gksxk] blfy, dkSu&lk foHkktu mÙke gS ;g fu.kZ; ysuk uksV
Hkh dfBu gks tkrk gSA
3- ijh{k.k osQ inksa dks nks leku [k.Mksa esa foHkkftr djuk lEHko ugha gS] D;ksafd fdlh izdkj osQ foHkktu
ls nks [k.Mksa dk izk:i izR;sd n`f"V ls leku ugha gks ldrk gSA
4- bl fofèk dks 'kfDr ijh{k.k (Power test) vFkok fotkrh; inksa osQ ijh{k.k esa iz;qDr ugha dj ldrs gSaA
v¼Z&foPNsn fo'oluh;rk dk vFkkZiu (Interpretation of Split-half Reliability)—bl fofèk }kjk tks
fo'oluh;rk xq.kd izkIr gksrk gS mldk vFkkZiu rqY;rk xq.kd osQ leku gh dj ldrs gSaA bl fofèk esa nksuksa [k.Mksa
osQ lkekU; dkjd vadksa osQ LFkk;h vkSj vLFkk;h xq.kksa ij fuHkZj gksrs gSaA D;ksafd ,d ijh{k.k osQ nks [k.M fd, tkrs
gSa mu nksuksa osQ fof'k"V dkjd vkSj =kqfV i`Fko~Q gks tcfd lkekU; dkjd vad nksuksa osQ ,d gksaA vr%
fo'oluh;rk&xq.kd lkekU; dkjd vad osQ LFkk;h vkSj vLFkk;h xq.kksa ij vkfJr gksrk gSA bl fofèk ls izkIr
fo'oluh;rk xq.kd okLrfod ls de gksrk gSA
(4) vkUrfjd LFkkf;Ro xq.kd vFkok roZQ;qDr rqY;rk fofèk vFkok owQMj fjpMZlu fofèk (Coefficient
of Internal Consitency or Rational Equivalence Method or Kuder Richardson Method or K.R.
Reliability)
;g fofèk owQMj fjpMZlu us fodflr dh gS bl fofèk }kjk mijksDr rhuksa fofèk;ksa dh lhekvksa dks è;ku esa j[kdj
fofèk fodflr dh x;h gSA okLro esa ;g fofèk izR;{k Lo:i esa v¼Z foPNsn fofèk dk lqèkkj :i gS blesa lkaf[;dh;
fofèk;ksa ,oe~ lw=kksa dks iz;ksx fd;k x;k gSA blosQ vUrxZr inksa osQ ikjLifjd lEcUèk rFkk inksa osQ leLr ijh{k.k
ls lg&lEcUèk osQ ckjs esa tkudkjh dks egRo fn;k tkrk gSA bl fofèk esa inksa pfjrk osQ ;ksx dk ekiu fd;k tkrk gSA
owQMj fjpkMZlu us fo'oluh;rk dh x.kuk osQ fy, dbZ lw=kksa dk fodkl fd;k gSA ;gk¡ ij osQoy nks lw=kksa dk mYys[k
fd;k x;k gSμ
izFke og lw=k tks lcls 'kq¼ rFkk O;kogkfjd gS] bls osQñ vkjñμ20 (KR-20) dgrs gSaA bls osQñ vkj fo'oluh;rk
Hkh dgrs gSaμ
⎛ n ⎞ ⎛ 2 pq ⎞ σ− Σ
r = ⎜ ⎝ n − 1⎠ ⎟ ⎜ ⎝ 1 σ 1 2 ⎟ ⎠ ...KR-20
u

tcfd n = ijh{k.k esa inksa dh la[;k
σ 1 2 = lEiw.kZ lewg osQ izkIrkadksa dh pfjrk

p = ,d in dks lgh djus dk va'k
q = (1 – p) ,d in dks xyr djus dk va'k

Σ = ;ksx
mnkgj.kμijh{k.k osQ inksa dh la[;k 60 rFkk izekf.kd fopyu 8.50 gS vkSj Σpq dk eku 12.43 gSA

⎛ 60 ⎞ ⎛ 8.50 2 − 12.43 ⎞
r = ⎜ u ⎟ ⎜ ⎜ 2 ⎟ ⎟ ...KR-20
⎝ 60 − 1 ⎠ ⎝ 8.50 ⎠

60 72.25 − 12.43
= ×
59 72.25
60 × 59.82 3589.2
= = = .84
59 × 72.25 4262.75

LOVELY PROFESSIONAL UNIVERSITY 97