Page 94 - DEDU504_EDUCATIONAL_MEASUREMENT_AND_EVALUATION_HINDI

'kSf{kd ekiu rFkk ewY;kadu

uksV
X 11 X 12
ijh{k.k

r x x
r x, x ¾ fo'oluh;rk xq.kd
fo'oluh;rk ijh{k.k osQ vkdkj ij fuHkZj djrh gS] ftls vaxzsth Hkk"kk esa O;Dr djrs gSa fdμ”Reliability is the
function of the test length”
bldk rkRi;Z ;g gS fd ,d ijh{k.k esa ftrus vfèkd inksa dks lfEefyr fd;k tkrk gS mruk gh ijh{k.k vfèkd
fo'oluh; gksrk gSA tSlsμfucUèkkRed ijh{kk esa lkèkkj.kr% ikap iz'u ljy djk;s tkrs gSa blfy, de fo'oluh;
gksrk gS vkSj oLrqfu"B ijh{kk esa yxHkx lkS iz'u gy djk;s tkrs gSa] blfy, vfèkd fo'oluh; gksrk gS ,d ijh{k.k
esa inksa dh la[;k c<+k nsus ls mldh fo'oluh;rk Hkh c<+ tkrh gSA

7-1 fo'oluh;rk dk vFkZ rFkk ifjHkk"kk (Meaning and Definition of
Reliability)

ijh{k.k dh fo'oluh;rk f'k{kk vkSj euksfoKku osQ fo}kuksa us dbZ izdkj ls dh gS] muesa ls izeq[k ifjHkk"kk;sa
v/ksfyf[kr gSμ
,usLVh osQ vuqlkjμijh{k.k fo'oluh;rk fofHkUu voljksa ;k leku inksa osQ fofHkUu foU;klksa esa ,d gh laxfr
izkIrkadksa dh vksj bafxr djrh gSA
“The reliability of a test refers to the consistency of scores, obtained by the same individual on
different occassions with different sets of equivalent items.” —Anastasi
fxyiQksMZ osQ vuqlkjμfo'oluh;rk izkIr ijh{k.k izkIrkadksa esa okLrfod pjrk dk vuqikr gSA
“Briefly reliability is the proportion of the true variance in obtained test scores.”—J.P. Guilford

f?klsyh osQ vuqlkjμekiu dh fo'oluh;rk dks O;fDr osQ oqQN xq.kksa ij izkIrkadksa osQ vO;ofLFkr fopyu dh
lhek osQ :i esa ifjHkkf"kr fd;k x;k gS tcfd ml xq.k dks vusd ckj ekik x;k gSA
“Defined reliability of measurement as the extent of unsystematic variation in scores of an
individual on some traits when that trait is measured a number of times.” —Ghiselli
LVksMksyk ,oa LVksjMy osQ vuqlkjμ,d gh lewg osQ O;fDr;ksa ij le:i ijh{k.k iz'kkflr dj ,oa nks ls
vfèkd iQydksa osQ foU;klksa osQ eè; lg&lEcUèk Kkr djus osQ :i esa ijh{k.k fo'oluh;rk dks ifjHkkf"kr fd;k
tk ldrk gSA
“The reliability of a test can be defined as the correlation between two or more sets of scores on
equivalent test from the same group of individuals.” —Stodola and Stordahl
,pñ bZñ xSfjV osQ vuqlkjμ,d ijh{k.k ;k ekufld ekiu ijh{k.k dh fo'oluh;rk ml laxfr ij fuHkZj djrh
gS tks mu O;fDr;ksa dh ;ksX;rk dk vuqeku yxkrh gS ftuosQ fy, mldk iz;ksx gksrk gSA
“The reliability of a test of any measuring instrument depends upon the consistency with which
it gauges the ability to whom it is applied.” —H.E. Garrett
mijksDr ifjHkk"kkvksa ls fo'oluh;rk osQ vFkZ dk cksèk gksrk gS fd ,d ijh{k.k dks ,d gh lewg ij ,d ls
vf/d ckj nsus ij izkIrkadksa dh le:irk vFkok LFkkf;Ro fdruk gSA

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