Page 157 - DEDU504_EDUCATIONAL_MEASUREMENT_AND_EVALUATION_HINDI

bdkbZ—10% in fo'ys"k.k% in dfBurk] foHksnhdj.k lwph] fod"kZu dh izHkko'khyrk

egRoiw.kZ ekuk x;k gSA Nk=k us in dks lgh D;ksa ugha fd;k] bldk funku xyr mÙkj osQ vkèkkj ij fd;k tkrk uksV
gSA blfy, LVsuys us funkukRed ijh{k.k osQ in fo'ys"k.k esa lgh mÙkjksa osQ LFkku ij xyr mÙkjksa dk iz;ksx fd;k
gSA ijh{kk£Fk;ksa dks mPp vkSj fuEu oxZ esa foHkkftr djosQ xyr mÙkjksa osQ vkuqikfrd eku Kkr fd;s tkrs gSaA vkSj
mlh izdkj in osQ lwpkadksa dh x.kuk dh tkrh gSA
LVsyus dh fofèk }kjk in fo'ys"k.k

in mPp oxZ fuEu oxZ mPp oxZ fuEu oxZ dfBukbZ foHksnhdj.k
dh =kqfV dh =kqfV vuqikr vuqikr lwpkad lwpkad
10 10 P h P L
1- 1 5 -10 -50 -30 -40 √

2- 2 7 -20 -70 -45 -50 √
3- 4 8 -40 -80 -60 -40 √
4- 8 10 -80 1-00 -90 -20 √
5- 0 2 -00 -20 -10 -20 √
6- 3 8 -30 -80 -55 -50 √
7- 7 4 -70 -40 -55 μ-30 ×

8- 4 8 -40 -80 -60 -40 √
9- 8 8 -80 -80 -80 -00 ×
10- 2 9 -20 -90 -50 -70 √

dfBukbZ Lrj rFkk foHksnhdj.k 'kfDr osQ fy, lw=k iz;qDr gksrs gSaμ

dfBukbZ Lrj (D.V.) = = .30

foHksnhdj.k dh 'kfDr (D.P.) = P – P = .50 – .10 = .40
L h
bl fofèk esa dfBukbZ lwpkad vfèkd gksus ij in dk dfBukbZ Lrj Hkh vfèkd gksrk gS D;ksafd mPp dfBukbZ lwpkad
gksus ij ;g izxV gksrk gS fd brus izfr'kr in dks lgh ugh dj losQA de Nk=kksa us xyr fd;k gS] bldk vFkZ
;g gqvk fd in ljy gSA inksa osQ p;u esa mUgha ekun.Mksa dks iz;qDr fd;k tkrk gS] ftudh foHksnhdj.k 'kfDr
Í.kkRed ;k 'kwU; gksrh gS mUgsa fujLr dj fn;k tkrk gSA

10-7 dfBukbZ lwpkad ,oa foHksnhdj.k dks izHkkfor djus okys dkjd (Factors
Influencing Item Difficulty and Discrimination Index)

fdlh ijh{k.k osQ inksa dks in fo'ys"k.k esa dfBukbZ lwpkad vkSj foHksnhdj.k lwpkad dks dbZ dkjd izHkkfor djrs
gSaA muesa ls izeq[k dkjdksa dk mYys[k fuEufyf[kr gSμ
(1) in dk Lo:i (Structure of Item)μlkèkkj.kr% in osQ nks [k.M gksrs gSaA iz'u vkSj fodYi ;fn iz'u dk
:i tfVy gS] vFkok vLi"V gS] rks mldk dfBukbZ lwpkad de gksxkA bldk vFkZ ;g gS fd iz'u dk Lo:i lwpkad
dks izHkkfor djrk gSA nwljs ;fn fodYi 'kfDr'kkyh gS] ml ifjfLFkfr esa Hkh in osQ lwpkad izHkkfor gksaxsA
(2) ijh{kk£Fk;ksa osQ in osQ Lo:i dh tkudkjh (Awareness of examinees about the form of the
item)μin dks ljy djus okys ijh{kk£Fk;ksa dks ;fn dksbZ vuqHko ugha gS fd ,sls iz'uksa dk mÙkj oSQls fn;k tkrk
gS rc Hkh lwpkad izHkkfor gksaxsA ;g tkudkjh ijh{kk£Fk;ksa osQ fy, vko';d gksrh gSA

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