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Sumbu Y (Level Berpikir Kritis)
|
4 |                       Posttest
3 |       Posttest  Posttest        Posttest
2 |  Pretest        Pretest  Posttest        Posttest
1 |       Pretest  Pretest        Posttest
0 | Pretest  Pretest
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      1    2    3    4    5
                Sumbu X (Peserta Didik)