Arif, 2014. Influence Problem Based Learning (PBL) on the Ability to Solve Environmental and Resource Geography Problems. Thesis, Geography Education. Postgraduate, State University of Malang. Advisor: (I) Prof. Dr. Achmad Fatchan, M. Pd., (II) Prof. Dr. Sumarmi, M. Pd.

Keywords: Problem Based Learning (PBL), Problem Solving Ability.

Problem Based Learning as a learning model where authentic assessment (Authentic assessment) can be applied comprehensively, because in it there is an element of finding a problem and solving it at the same time. In Problem Based Learning There is an element of finding a problem and solving it at the same time (the elements contained in it are there problem solving or solve a problem). Excellence Problem Based Learning challenges students to pose problems and also solve problems that are more complicated than before, can increase student activeness in solving problems, expressing opinions, fostering cooperation and student cohesiveness in groups, developing student leadership and hone analytical pattern skills and can help students in their reasoning process.

The research problem is: Is there an effect Problem Based Learning on the ability to solve problems in environmental and resource geography courses. The research design quasi experiment with a research design using pre test and post test control group design. The research subjects of all undergraduate students who program the Environmental and Resource Geography course consist of 4 classes. Research subjects were selected based on homogeneous knowledge abilities based on the t-test of the students' last cumulative GPA. The independent variable is Problem Based Learning and the dependent variable is the ability to solve environmental and resource geography problems. Data collection using tests, namely the initial test (pre test), final test (posttest), and gain score. Data analysis using t-test program assistance SPSS 20.0 by windows with a significant level of 5%.

The results showed a significant effect between Problem Based Learning on the ability to solve environmental and resource geography problems in the test t test using test independent sample t-test obtained t-value <t-table or 0.003 <0.05. Suggested: 1) For lecturers, learning problem based learning need to be used in environmental and resource geography learning in order to improve student problem-solving skills. 2) It is recommended for Geography Education students who will have competence in terms of designing learning, to be more innovative in terms of finding and applying learning models to improve problem solving skills. 3) For other researchers, if you want to examine this problem in a wider scope, the weaknesses of this study need to be considered so that better knowledge contributions are obtained and according to the times