Page 236 - DEDU504_EDUCATIONAL_MEASUREMENT_AND_EVALUATION_HINDI

'kSf{kd ekiu rFkk ewY;kadu

uksV 4- LVsukbu vf/d fo'oluh; (reliable) gksrs gSaA
5- Vh&LosQy dh vis{kk LVsukbu LosQy dkiQh laf{kIr gksrk gSA
mijksDr fo'ks"krkvksa dh fuf'pr 'kCnksa esa ,sMEl (Adams) us bl izdkj O;Dr fd;k gS ¶ijh{k.k iznÙk osQ foospu
esa LVsukbu osQ iz;ksx dks cgq/k izkFkfedrk nh tkrh gSA bl fof/ dk iz;ksx O;fDrxr p;u rFkk 'kSf{kd funsZ'ku
esa Hkh mi;ksxh gksrk gSA¸
(8) 'krk¡'kh; ifjekik¡d (Percentiles)—'krka'kh;] ekiuh ij ,d ,slk fcUnq gS ftlosQ uhps forj.k dk ,d
fuf'pr izfr'kr vkrk gSA mnkgj.kkFkZ] ;fn fdlh O;fDr dks ,d ijh{k.k ij 35oka 'krka'kh; Øe (percentile rank)
izkIr gksrk gS rks bldk vFkZ gS fd og O;fDr lewg esa 35» O;fDr;ksa ls Åij gSA nwljs 'kCnksa esa] 'krka'kh; Øe
forj.k esa fdlh fo'ks"k izkIrk¡d dh 'krka'kh; fLFkfr dks n'kkZrk gSA blh izdkj ;fn 60» fo|kFkhZ 33 ls de vad
izkIr djrs gSa rks 33 ewy izkIrk¡d dks 60oka 'krka'k (P ) osQ :i esa izn£'kr fd;k tk ldrk gSA ,usLVslh (Anastasi)
60
osQ 'kCnksa esa] “Not only do percentiles show where the individual stands in the normative sample
but they are also useful in comparing the individual’s own performance on different tests.”
'krka'kh; Øe Kkr djus osQ fy;s fuEu lw=k iz;ksx esa yk;k tkrk gSμ

X = L +
p
tgk¡] X = 'krka'kh; Øe osQ leku ijh{k.k&izkIrk¡d
p
L= X iM+us okys oxkZUrj dh fuEu lhek
p
i = vko`fÙk forj.k esa oxkZUrj dk vkdkj
f = X iM+us okys oxkZUrj esa vko`fÙk;k¡
p
N= izkIrk¡d ;ksx
T= fuEu lhek rd vko`fÙk;ksa dk ;ksx
lkekU; lEHkkouk oØ (NPC) dh lgk;rk ls Hkh 'krka'k fcUnq (Percentile point) esa izfr'kr fn;k gksrk gS rFkk
;g Kkr fd;k tkrk gS fd fuEure veqd izfr'kr fdl fcUnq ;k izkIrkad ij vkrk gSA mnkgj.kkFkZ] ;fn fdlh NPC
esa M = 100 rFkk σ = 10 gks rks bl fLFkfr esa P dh x.kuk dk eku fuEu gksxkμ
70
P 70 = M + .52s
= 100 + .52 × 10
= 100 + 5.20
= 105.20
vr% ge dg ldrs gSa fd 105-20 og izkIrkad gS] ftlosQ uhps fooj.k osQ 70 izfr'kr fo|kFkhZ vkrs gSaA blh izdkj
P , P , P vkfn dh x.kuk Hkh blh vk/kj ij dh tk ldrh gSA
40
80
60
'krk¡'k fcUnq dh Hkk¡fr 'krk¡'kh; Øe esa Hkh vad fn;k gksrk gS rFkk ;g Kkr djuk gksrk gS fd ml vad osQ uhps
fdrus izfr'kr O;fDr vkrs gSaA mnkgj.kkFkZ] ;fn fdlh NPC esa M = 65 rFkk SD = 10 gks rks bl fLFkfr esa PR
75 dh x.kuk fuEu izdkj dh tk;sxhμ
X − M
Z=
σ
75 − 65
=
10
10
=
10
=1σ = 34.13%

230 LOVELY PROFESSIONAL UNIVERSITY