PENINGKATAN KEMAMPUAN KOMUNIKASI MATEMATIS SISWA
KELAS VIII SMP NEGERI 3 RAMBAH SAMO MELALUI MODEL
PROBLEM BASED LEARNING (PBL)
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Institusion
Universitas Pasir Pengaraian
Author
Hendi Firmansyah, -
Subject
500 Ilmu-ilmu Alam dan Matematika
Datestamp
2019-11-29 08:12:02
Abstract :
Randomized Control Group Pretest-Posttest design. The population in this study were all eighth grade students of SMP Negeri 3 Rambah Samo with samples of class VIII A and class VIII B. The sample classes were obtained using saturated sample techniques. Whereas to determine the experimental class and control class is randomly by drawing. In the experimental class a problem based learning (PBL) model and a control class were applied in conventional learning. The instrument of this study was a test instrument consisting of pretest and posttest. To test the hypothesis, a statistical analysis was conducted to test the similarity of the average N-Gain score between the experimental group and the control group. Before the hypothesis testing is carried out the prerequisite test is done, namely the normality test with the lilliefors test, the results of which are two sample classes with normal distribution and the homogeneity test using the F test which results in the two sample classes having homogeneous variances. Furthermore, the hypothesis test is performed using the t test, the calculation results obtained by tcount> t table is 4.16> 2.011 for ? = 0.05 then H0 is rejected. So that it can be concluded that there is an increase in mathematical communication skills of class VIII students of SMP Negeri 3 Rambah Samo through the Problem Based Learning (PBL) model.
Randomized Control Group Pretest-Posttest design. The population in this study were all eighth grade students of SMP Negeri 3 Rambah Samo with samples of class VIII A and class VIII B. The sample classes were obtained using saturated sample techniques. Whereas to determine the experimental class and control class is randomly by drawing. In the experimental class a problem based learning (PBL) model and a control class were applied in conventional learning. The instrument of this study was a test instrument consisting of pretest and posttest. To test the hypothesis, a statistical analysis was conducted to test the similarity of the average N-Gain score between the experimental group and the control group. Before the hypothesis testing is carried out the prerequisite test is done, namely the normality test with the lilliefors test, the results of which are two sample classes with normal distribution and the homogeneity test using the F test which results in the two sample classes having homogeneous variances. Furthermore, the hypothesis test is performed using the t test, the calculation results obtained by tcount> t table is 4.16> 2.011 for ? = 0.05 then H0 is rejected. So that it can be concluded that there is an increase in mathematical communication skills of class VIII students of SMP Negeri 3 Rambah Samo through the Problem Based Learning (PBL) model.
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