The effect of Computer Assisted Instruction (CAI) on the present perfect tenses achievement of the English Department students of Widya Mandala Catholic University Surabaya - Widya Mandala Catholic University Surabaya Repository

APPENDIX

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CALC'JLATIOIJS OF EHplfiICi\L

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APPENDI\ T/II
ACHIEVEII{ENT
TESTSCORES

CAI

Textbook

Conventional

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85
95
80
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80
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ONEWAYANO\'A
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Conventional 65.95:
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557.937

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9290.476

60

Total

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A P P E N D TX\/III

ANOVA CALCULATTON
(Achievement
TestScores)

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