I I|GSF hr tt.l.rt!.t tn.!. tr tlltbi - Higher Education Commission

control grouA on ihe other hand, scored 4.8 only fte sme i, also
trw to the girls' school it tabl€ (t); dte eryerinedal srouP's s.ore
wd higher tlBn tbe control group's Fmm this it b€.ores clcar that
the 6rst quatid asked at lhe beginning is aDsw€r€d aId dlAt lhe
level of acbievef<strong>tn</strong>t of €xperirnentll groups in lhe dEe schools is
hider ihan that ofth€ coriol gro'rpr.
To fnd out whedFr lhis ditremce is significant or not, the z_test is
Nd a! in the two llbl€s below.
T<strong>rt</strong>ld lor El! or}{l- d C.tr t{d oadtdeEirr€..ldE ir. M
School Z valu€. rl 0.05
z, 45> 1.64
Hail z, -50< 1.64
2,27.5> 1.64
As shosm ir tlble (10) the sample z value, which is 45' -50'
and 2,.5 i' lhe trce s.hoois r€sp€ctivelv is 8F.ter tban 1.64,
which is lh€ value at 0.0J lq€l of confiddce. In other *ords' the
differeme betw6 the two me.s i5 signific5tl. TIE expsiDe d
solls did be<strong>tt</strong>er than lhe control oncs. H€nce the ndt hvpolhesis
iH"l rlEt there is no difr@Dce betw€en the t$'o gro'.ps is reject€d
ior Alkuwait dd Arwa schools For t{ail school' rhe altemative
hvDothalis ELI ts ac.€pted w<strong>hr</strong>ch n €ns the exFrimtrhl 8rol+s
"i.r.-et Ln* tran r<strong>tt</strong>" *ntrol grctps. Hencc statisticallv' it is
orcluded lhat the Derfo@c€ of $e €a€rinentd gmlps is h€net
t<strong>hr</strong>n that of th€ir ao.rerponding cont ol groups in all the schools
6.1.2 R€.sults of Qucstiotrnrirc
Rejecl Ho
Reiect Hi
The r.sults obtaired fiom the qw3tiorDire @ put irro t$ro s.ts:
set (a) for ihe clG.d qu.stioc and O) for ih€ opctF Dd€d oc'