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Which: P
=percentage f
=number of frequency r
= totalnumbersof respondents
3.7 Purposeof Test
NurkancanaandSumartana1986:25statethetestisoneway toholda
researchthatformsataskthatshouldbedoneby studentsoragroupofstudentsin order to getscore about their behaviour or prestige, that can be compared with score
achievedbyanotherstudentorwithstandadscorethatwasmade.Inthisresearch, thepurposeofthetestistomeasurethestudents’ability
inusingsimplepasttense. Afteranalyzing
theresultofthetest,Thewriterwillseewhatextendtheyareableto usesimplepasttense.
3.7.1 Administrationof Test
ThetestwillbeheldatSMAN21Medan.Itwillbedoneby thetenthyear
studentsofSMAN21Medan.The timeprovidedforfinishing thetestwas60 minutes.
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3.8 Criteria of Test
According toLado1961:30,criteriafor theevaluationof languagetests as follows:
a. Validity
According toLado1961:30,“Validity inlanguagetestsdependson the linguistic contentof the test and on thesituation or techniqueused to test this
content.”and“Validity canbeachievedandverifiedindirectly
bycorrelatingthe scoresonatestwiththoseofanothertestorcriterionwhichisvalid.”Itmeansthat
thequestionsareformulatedinaccordancewiththelevelofexamines ability
to answerit.Duetothereason,thequestions ofthetestshouldhavecomponents
that testcanbeansweredby examineswhostudy materialaregiven.Inaddition,testsis valid,if
all examineshavetheopportunity todemonstrate theknowledge,skills, and attitude theyhaveunderstoodthroughthetest.AccordingtoGay1987:198,“The
validity ofthequestionnaireisprobably notdonemoreoftenbecauseitisnoteasy
andrequiresmuchadditional timeand
effort.However,theappropriatevalidation procedureforagiven questionnairewilldepend upon thenatureof theinstrument”.
Based on thequotation aboveand
also theexplanation
about thetestbefore,Thewriterconsidersthatthetestisvalid.Inthisresearch,Thewriterpreparesthe
testwhichisnot toodifficult andnottoo easy.Thewritersetsthe testbasedon the curriculum.The
test that
wasgivenforthe2014yearsstudentsofSMAN21Medan hasthecontentofvalidity becausethequestionsofthetestarefromtheirhandbook.
Inadditional,Thewriterusesthefacevalidity inwhichthestudentsunderstandand
workthetestseriouslyforthetestisrelevanttotheirmaterials.Itmeansthatthe instrumentisvalid.
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b.Reliabilityof Test
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