Page 144 - DEDU504_EDUCATIONAL_MEASUREMENT_AND_EVALUATION_HINDI
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'kSf{kd ekiu rFkk ewY;kadu
uksV (c) fdUgha ifjfLFkfr;ksa esa nks lekUrj ijh{k.kksa dh jpuk djus dh vko';drk gksrh gSA nksuksa ijh{k.kksa dh
ikB~;oLrq ,d gh gksrh gS] ijUrq inksa dh fo'ks"krk,¡ fHk gksrh gSaA blfy, inksa osQ leku lwpkadksa dks
vyx&vyx nks ijh{k.kksa esa j[kus ls ijh{k.k osQ lekukUrj :i rS;kj fd, tk ldrs gSaA
(l) 'kfDr ijh{k.k (Power Test) osQ vUrxZr fotkrh; dks lfEefyr fd;k tkrk gSA 'kfDr ijh{k.k dks
lkekU;r% xR;kRed ijh{k.k osQ :i esa iz;qDr djrs gSaA blfy, ijh{k.kksa dks fotkrh; cukus osQ fy, in
fo'ys"k.k izfofèk dks iz;qDr fd;k tkrk gSA
in dh fo'ks"krk,¡ (Characteristics of an Item)
,d in dh izeq[k fo'ks"krk,¡ rhu gksrh gSaμ
(1) dfBukbZ Lrj (Difficulty Value or Pass Percentage),
(2) foHksnhdj.k dh 'kfDr vFkok in fo'oluh;rk (Discriminating Power or Item reliability), rFkk
(3) foHksnhdj.k dh 'kfDr vFkok in oSèkrk (Discriminatory Power or Item Validity)A
bu fo'ks"krkvksa dks vèkksfyf[kr iafDr;ksa esa fn;k x;k gSμ
(1) dfBukbZ Lrj vFkok in lgh djus okyksa dk izfr'kr (Difficulty Value or Pass Percentage of an
Item)μijh{k.k dks lksís'; cukus esa in dh izFke fo'ks"krk&dfBukbZ Lrj dk fo'ks"k egRo gksrk gSA in fo'ys"k.k
osQ izFke lksiku osQ inksa osQ dfBukbZ Lrj dh x.kuk dh tk,A dfBukbZ Lrj dk rkRi;Z ;g gksrk gS fd lewg osQ
fdrus izfr'kr Nk=kksa dks mldk okLro esa lgh mÙkj Kkr gSA ;fn fdlh in dks lHkh Nk=k lgh dj ysrs gSa] vFkkZr~
100 izfr'kr Nk=k mldk lgh mÙkj tkurs gSa] rks ml in dk dfBukbZ lwpkad ,d gksxkA blosQ foijhr dksbZ Hkh
Nk=k in dk lgh mÙkj ugha ns ldk rks mldk lwpkad 'kwU; gksxk] ijUrq izFke in ftls lHkh Nk=k lgh dj ysrs
gSa rks og lcls ljy in gksxkA ftls dksbZ Nk=k ugha dj ikrk] mldk dfBukbZ lwpkad 'kwU; gSA og lcls dfBu
iz'u gksxkA bl izdkj osQ inksa dks fdlh izdkj osQ ijh{k.k esa lfEefyr ugha fd;k tkrk gS] D;ksafd ,sls inksa ls ekiu
osQ mís';ksa dh izkfIr ugha dh tk ldrh gSA blfy, ijh{k.k esa bu nksuksa inksa osQ eè; lwpukad okys inksa dk p;u
fd;k tkrk gSA
xfr ijh{k.k esa in fo'ys"k.k dk fo'ks"k mi;ksx ugha gS vkSj xR;kRed ijh{k.k esa inksa
dh O;oLFkk dfBukbZ Lrj osQ vkèkkj ij dh tkrh gSA lcls ljy iz'u lcls igys
vkSj lcls dfBu iz'u lcls var esa j[kk tkrk gSA lkèkkj.kr% xR;kRed ijh{k.kksa dk
mi;ksx fd;k tkrk gSA
10-2 in dh dfBukbZ osQ Lrj dh ifjHkk"kk (Definition of Item Difficulty Value)
dfBukbZ Lrj dh ifjHkk"kk vèkksfyf[kr gSaμ¶fdlh in dks ,d lewg osQ ijh{kkFkhZ fdl vuqikr vFkok fdrus
izfr'kr lgh dj ysrs gSa mls dfBukbZ Lrj dgrs gSaA¸
“The difficulty value of an item is defined as the proportion or percentage of the examinees who answer the
item correclty.”
bl ifjHkk"kk esa in dks lgh djus osQ izfr'kr dks dfBukbZ Lrj dgk gS] ijUrq fdlh in dks vuqeku ls Hkh
lgh fd;k tk ldrk gS rFkk djrs Hkh gSA vr% lgh djus okyksa dk izfr'kr in dk okLrfod dfBukbZ Lrj
ugha gksrk gSA dfBukbZ Lrj dk lEcUèk ijh{kk£Fk;ksa osQ ml izfr'kr ls gksrk gS] tks okLro esa in osQ lgh mÙkj
138 LOVELY PROFESSIONAL UNIVERSITY
