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ResearchPopulation No
Class Numberofstudents
1. X-1
40 2.
X-2 40
3. X-3
40 4.
X-4 40
5. X-5
40 6.
X-6 40
7. X-7
40
Total 280
3.4 A CaseStudy
IqbalHasan2002:15says,“Acasestudy isaresearchonthestatusofthe
studysubjectsrelatedto aspecificphraseor typicalof thewholepersonality. Thesubjectofresearchmay beindividuals,groups,organizations,and
communities.Inthisstudy,researcherwanttostudy intensivelythebackground,and
environmentalinteractionofsocialunits.Thisstudy emphasizesassessmentofmany
variableson asmallnumber of units.
3.5 InstrumentsofCollecting theData
Theway ofcollectingdataplaysanimportantroleinconductingany kindof researchsothattheresultofthestudywillbevalid.Inthisresearch,thedataare
collectedbyawrittentestinmultiplechoice formandcompletiontestonsimple pasttense.Thetestisconductedbygiving50questions.Andthestudentsmust
chooseonecorrectanswer.Afterthat,thewritergaveinterviewtothestudentswho in lowest ability.
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Sincethisresearchisdealing withthestudents’ability
tousesimplepast tense,soThewritertakesthewholequestionsfromtheirhandbookthatrelatedto
simplepasttense.
Blue Print of Instrument Typeof test
Numberof test
Numberof eachitem Scoreof
eachitem
MultipleChoice 30
1-30 2 point
Completion Test 20
1-20 2 point
3.6 Scoringof theTest
In scoringthe test, Thewriter determinesthe cumulativescoreranging0-100. Thewriter givestwo pointfor onequestion. And to find out thescoreof thestudents’
answer, Thewriter usesthisfollowingformula:
Which: X
= individualscore R
=number of correctanswers N
=number of questions
X=R X 100 N
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To categorize the levelof thestudents’ abilityin usingsimplepast tense,the followingscale isused:
Score Category
80-100 VeryGood
60-79 Good
40-59 Average
20-39 Poor
0-19 VeryPoor
Nurkancana andSumartana, 1986
Mean scoreof thestudents’ abilityin answeringthe testcan becalculated by usingthefollowingformula:
Which:
_
X =score
∑X = totalof correctnumber N
=number of respondents
Gay, 1981: 292
And thepercentageof theclassification ofthestudents’ abilityin answering the testcan becalculated byusingthefollowingformula:
P=fx100 r
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Which: P
=percentage f
=number of frequency r
= totalnumbersof respondents
3.7 Purposeof Test
