Page 233 - DEDU504_EDUCATIONAL_MEASUREMENT_AND_EVALUATION_HINDI

bdkbZ—17% ek²dx iz.kkyh % vko';drk] leL;k,¡] ?kVd

4 uksV
= ( – 24) + 100
3
= – 32 + 100 = 68
20
blh izdkj vuqjkx dk izekik¡d = (116 – 90) + 100
15
4
= (26) + 100
3

= + 100
= 34.6 + 100
= 134.6
(3) Vh&ifjekik¡d (T-Scores)— Z-ifjekik¡dksa dh ,d eq[; lhek ;g gksrh gS fd buesa n'keyo fpUgksa rFkk
Í.kkRed ,oa /ukRed fpUgksa dh vlqfo/k osQ dkj.k rqyukRed vè;;u djuk dfBu gks tkrk gSA lkFk gh σ-
LosQy bl midYiuk (Hypothesis) ij vk/kfjr gS fd ftl vad forj.k dks s-LosQy esa ifjo£rr fd;k x;k gS
og le&forfjr (normally distributed) gSA ijUrq cgqr ckj ,slk ugha gksrkA vr% ml lkexzh esa ftldk forj.k
le (normal) ugha gS] σ-LosQy ;FkkFkZ ugha gksrkA bu lhekvksa osQ dkj.k ,slh fLFkfr esa Vh&ifjekik¡d dk iz;ksx vf/
d mi;ksxh jgrk gSA Vh&LosQy esa bl nks"k dks nwj djus osQ fy;s igys vko`fÙk forj.k (frequency distribution)
dks lefu"B (normalized) dj fy;k tkrk gS fiQj mudk vuqekiu (scaling) fd;k tkrk gSA blhfy;s
Vh&ifjekik¡dksa dks izlkekU;hÑr izekik¡d (normalized standard scores) dgrs gSa ftudk ekiuh ij vkSlr
(Mean) = 50 rFkk ekud fopyu (SD) = 10 gksrk gSA Vh&LosQy dh [kkst eSddky (Mc call) us dh FkhA mUgksaus
izkjfEHkd (elementary) d{kkvksa osQ fy;s i<+us dh euksoSKkfud ijh{kkvksa osQ cukus esa lcls igys Vh&LosQy
dk iz;ksx fd;k FkkA izFke Vh&LosQy dk vk/kj 12 o"khZ; 500 fo|k£Fk;ksa osQ v£tr iBu&ifjekik¡d (reading

scores) FksA mlosQ i'pkr~ Vh&LosQy dk iz;ksx fHkUu&fHkUu izkIrk¡dksa d{kkvksa rFkk voLFkkvksa dks ysdj fd;k
x;k gSA
Vh&LosQy dk iz;ksx lkekU;r% rqyukRed vè;;u dh n`f"V ls fd;k tkrk gS ftldk lEcfU/r lw=k fuEu gSμ

T = 50 + 10

or, T = 50 + 10 Z
tgk¡] X= O;fDr dk ewy izkIrk¡d
M= lewg dk vkSlr izkIrk¡d

s= izkIrk¡d osQ forj.k dk ekud fopyu
mnkgj.kkFkZ] eku yhft;s fdUgha nks ijh{k.kksa osQ eè;eku rFkk ekud fopyu bl izdkj gSaμ
Test A Test B
eè;eku 65 50

ekud fopyu 15 10
vc] eku yhft;s ehuk{kh dks ijh{k.k ‘A’ esa 70 vad rFkk ijh{k.k ‘B’ esa 60 vad feyrs gSa rks mlosQ Vh&izkIrk¡d
fuEu gksaxsμ

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