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4-l Tle Desigtr
CTIAPTER IV
METI{ODOLOGY
The main instrunent for gathering data of this studv l4 the
post-resl- Oth€r instrunenl! werc ulen but there wer€ s€mtdary
They weE meant to sh€ngthen the 1€lidit of lhe rcsultr of the
posi-test. Thdeforc, tbe desiSD us€d in inis experimeDlal siiv is
call€d posl-test only control grouP d€sigll Accoding lo TEI(j]@
(1979150), this kind of design is d ided ore. t conlol! a[ d@ts
of %bd'ry or souces of biA. It presupposes two Sroups one is
eryeriDedal and tlF other is contol group. Both SrouPs were
exposed to the post-t€sl. For more Eliable data a imher
qBtioDAne was giv€n io rhe expdime al Sroups. For the sake of
compeison between lhe two sels of groups (exP€runental groqs
ed control grolps) rhe ot<strong>rt</strong>rol sroups w@ aiso given dte s$m
4.2 The Sample: Scope and populadotr
TI|e snrdy was conducled in tFe se.ondafy sch@ls in
Sa'la'4 teo of whlch wft boys-$h@is and m was a 8 s'
sclml. Th€ expqirent took two phas.si the fst onc wa! with lhe
p@ioBfy us.n Mraial E stish fu v@e,, whicb wai r"xendy
rcplaced by a n€w m.aterial cal],d The Crcscent. One boys' school
wa ued in the ftst phe. TlE o$er two $hoob were us.d in the
second phase but this tiine with the new malerial. It hes lo be
r€membs€d $at rhe new mlerial u ike th€ old one drd nol
disfDguish bctween lileEry and science s€clions; orc lcxtbdk tur
botb stioB. Frcm each of rhe rwo t)?€s of baterial olE 6it 96
sel@ted ior re5cbi.g tbe iDtend€d grotp6.