PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) UNTUK PENINGKATAN KETERAMPILAN PROSES SAINS SISWA DALAM PEMBELAJARAN BIOLOGI DI KELAS XI SMA

Sari

This research aimed to determine the effect of Problem Based Learning model to the
Students' Science Process Skills of The Second Year Students of SMAN Plus of Riau
Province in learning Biology. This study was conducted from April to June 2013
using the quasi experiment method with design research by posttest only control
group design. Samples were students of class XI.IA.4 (control class) and XI.IA.3
(experimental class) which were determined based on random sampling technique.
Research variables consisted of independent variables, namely Problem Based
Learning model and the dependent variable which was the students' science process
skills with indicators were observation, communication, application, inference, and
prediction. Data collected by using the observation sheet. The results showed that the
observation indicator on the control class was 66.67%, while the experimental class at
100%. Communication indicator in the control class was 56.89%, whereas the
experimental class was 90.74%. Application indicator on the control class was
33.33%, while 93.06% in the experimental class. Inference indicators on control class
was 39.56%, whereas the experimental class was 84.72%. Prediction indicator on the
control class was 33.33%, while the experimental class got 100%. The average score
of process skills in control class was 45.96% with moderate category, while in the
experimental class was 93.70% with a very high category. Inferential statistical
analysis results obtained t.test = 42.61> t.tabel 2.01 (significant). The students' highest
skill score of science process skills were at observation and prediction skills (100%),
while the lowest one was the inference skills (84.72%).

Keywords: Learning Biology, Model Problem Based Learning, Science Process Skills
Students