PENERAPAN PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS SISWA KELAS X MIPA 2 SMA NEGERI 6 SURAKARTA TAHUN PELAJARAN 2014/2015
ABSTRACT: This study was aimed
to improve critical thinking ability of
the student in X MIPA 2 class of SMA Negeri
6 Surakarta in learning biology through
the implementation of
Problem Based Learning
(PBL).This research was
a Classroom Action
Research which consists
of three cycles. Each cycle
consists of four stages: planning, action, observation, and reflection. The subject of this research were
the students in X MIPA 2 of
SMA Negeri 6
Surakarta academic year
2014/2015. The data
were collected using
critical thinking test,
observation sheet, interview, and
documentation. The data
were validated using
triangulation method. The
data of test,
observation, interview, and documentation were
analyzed using qualitative
analysis which was done in three components, they were: data reduction, data presentation, and
drawing the conclusion or verification. The research procedure was
using spiral method. The results show that students critical thinking ability was increased in Pre-cycle, Cycle I, Cycle II
and Cycle III. The average of students critical thinking ability increase from
35,22% to 64,92%. Aspect of
interpretation rise from 41,13% to
68,55%. Aspect of analysis rise
from 28,23% to 58,06%. Aspect of
inference increase from 38,71% to
67,74%.Aspect of evaluation increase from 43,55% to 66,94%. Aspect of
explanation rise from 27,42% to 62,10%. Aspect of self-regulation rise from
32,26% to 66,13%. This research’s
conclusion was the implementation of Problem Based Learning can improve critical
thinking ability of the student in X MIPA 2 class at SMA Negeri 6 Surakarta
academic year 2014/2015.
Penulis: ANA HARIANI SALIM,
SLAMET SANTOSA, UMI FATMAWATI
Kode Jurnal: jpbiologidd150279
