The International Seminar on Bioscience and Biological Education
IOP Conf. Series: Journal of Physics: Conf. Series
1241 (2019) 012020
IOP
Publishing
doi:10.1088/1742-6596/1241/1/012020
6
Each aspect of critical thinking skills has different gain score. Overall, the N-Gain score of each aspect
of critical thinking skills is increasing with a moderate category. Altough, the aspect of interpreting has
a minimum improvement. This is because there are not many cases of
the immune system that can
display research data that suitable for high school students.
3.5. Result of Paired Sample T-test
The pretest and posttest data were analyzed using paired data tests with data normality tested first, as a
prerequisite for further testing carried out parametric or nonparametric [19].
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