1. Table 3. The Result of Post-test Data Normality Test
One-Sample Kolmogorov-Smirnov Test
Score
Group N 50
Normal Parametersa,b
Mean
78.80
1.50
Std. Deviation
6.518
.505
Most Extreme Differences
Absolute
.100
.339
Positive
Negative
-.073
-.339
Kolmogorov-Smirnov Z
.707
2.396
Asymp. Sig. (2-tailed)
.699
.000
Sources: Research Finding (2014)
a. Test distribution is normal.
b. Calculated from data.
Vandalita M.M. Rambitan et al. The Effect of Smartphone on Students’ Critical Thinking Skill in Relation to the Concept of
Biodiversity. American Journal of Educational Research, 2015, Vol. 3, No. 2, doi: /education
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