IMPROVEMENT OF STUDENT LEARNING ACTIVITY AND LEARNING OUTCOMES BY USING PROBLEM-BASED LEARNING MODEL ON HUMAN REPRODUCTIVE SYSTEM TOPIC IN GRADE XI IPA 4 AT SMAN 2 SOPOSURUNG BALIGE ACADEMIC YEARS 2015/2016

This study’s purpose was to improve or increase the student learning activity
and learning outcomes bu using Problem-based Learning model on human
reproductive system topic. This research type was classroom action research due to
two cycles that used. The objects were students class XI IPA 4 in SMAN 2
Soposrung Balige. The data got by using multiple-choice question to measure the
students learning outcomes and an instrument to observe the students learning
activities. The result showed that the application of problem-based learning model
can increase learning activities of students from the first cycle to second cycle of
23.06%. The application of problem-based learning model can improve student
learning outcomes in sub material human reproductive system was indicated by an
increase learning outcomes of the first cycle to second cycle of 19.8%. Then, the data
that displayed good progress of learning mastery of student has increased from first
cycle to the second cycle about 53.4%.