Page 148 - DEDU504_EDUCATIONAL_MEASUREMENT_AND_EVALUATION_HINDI

'kSf{kd ekiu rFkk ewY;kadu

uksV (1) fu"iknu ijh{k.k osQ inksa dk fo'ys"k.k Msoht dh fofèk }kjk
(Item Analysis of Prognostic Test)
(2) funkukRed fo'ys"k.k osQ inksa dk fo'ys"k.k LVsuys dh fofèk }kjk
(Item Analysis of Dignostic Test)A
in fo'ys"k.k osQ fy, fdlh Hkh fofèk dk iz;ksx djsa] mu lHkh osQ fy;s ;g vko';d gS fd vuqeku ls lgh djus
dh =kqfV dks de fd;k tk, vkSj ;g Kkr fd;k tk, fd fdrus ijh{kkFkhZ okLro esa ml iz'u osQ lgh mÙkj dks
tkurs gSa rHkh dfBukbZ lwpkad vkSj foHksnhdj.k lwpkad dh x.kuk 'kq¼ :i esa dh tk ldrh gSA blosQ fy,
euksoSKkfud us vyx&vyx lw=kksa dks iz;ksx fd;k gSA
vuqeku ls lgh djus esa 'kq¼hdj.k (Correction for Guessing)μvuqeku ls lgh djus osQ volj esa
'kqf¼dj.k osQ fy, euksoSKkfud us dbZ izdkj osQ lw=kkas dk fodkl fd;kA ;gk¡ ts-ih- fxyiQksMZ rFkk gkjLV }kjk
fodflr lw=kksa dk mYys[k fd;k x;k gSμ

(1) fxyiQksMZ dk lw=k (Guilford’s Formula-Correction for Guessing)A
fxyiQksMZ us ftl lw=k dks fodflr fd;k gS mldk iz;ksx lkèkkj.kr% fd;k tkrk gS] lw=k bl izdkj gSμ
W
S = R – ...(1)
(n − 1)

tcfdμ S= okLrfod :i ls lgh mÙkj tkuus okyksa dh la[;k
R= lgh djus okyksa dh la[;k
W= xyr djus okyksa dh la[;k

n = in esa fn, x, fodYiksa dh la[;k
fxyiQksMZ dk ;g lw=k vèkksfyf[kr voèkkj.kkvksa ij vkèkkfjr gSμ
1- izFke voèkkj.kk ;g gS fd in osQ lHkh fodYi leku :i ls ijh{kk£Fk;ksa dks vkd£"kd djrs gSaA blfy,
okLrfod izkIrkad osQ fy, mudk vkSlr ?kVk nsuk pkfg,A
2- nwljh voèkkj.kk ;g gS fd lHkh ijh{kkFkhZ iz'uksa osQ mÙkj dks vuqeku ls nsus dk iz;kl djrs gSaA

bl lw=k dks ,d mnkgj.k ls Li"V fd;k x;k gSA ;gk¡ ij ,d cgqfodYi iz'u fn;k x;k gS rFkk mu fodYiksa ij
Nk=kksa osQ mÙkjksa dks vafdr fd;k x;k gSμ

in in fo'ys"k.k dk dk;Z
(v) mÙke inksa dk p;u djuk 8
(c) vuqi;qDr inksa dks fujLr djuk 7
(l) inksa dk p;u djuk rFkk fujLr djuk 20
(n) mijksDr lHkh 15

bl in dks 50 Nk=kksa us ljy fd;k] ftldk lgh mÙkj (n) gS vkSj (v)] (c) rFkk (l) fodYi gSA blesa fxyiQksMZ
dk lw=k iz;ksx djus ijμ R = 15 rFkk W = 35 fodYiksa dh la[;k n = 4 gSA lw=k dk iz;ksx djus ijμ
W
S = R – ...(1)
(n − 1)
35
= 15 – = 15 – 12 = 3
3
bldk vFkZ ;g gqvk fd bl in osQ lgh mÙkjksa dks okLro esa 3 gh Nk=k tkurs gSaA

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