Abstract
The goal of this study to expand a version to develop a model to examine the effectiveness of using a problem based learning (PBL) approach as a method of facilitating students' achievement, and incorporating the literature of PBL approach for educational purpose. Therefore, this research hypothesizes that use PBL approach effect on students' learning motivation, students 'thinking, students' learning difficulties on learning, students' learning style, and students' learning skills that in turn, affect students' achievements. To achieve the research goal, the research employed a questionnaire as the main data collection method and dispensed it to 88 university students all of whom use PBL approach. The findings were obtained via a quantitative research method, Structural Equation Modeling (SEM). This research found a significant relationship between PBL approach with students' learning motivation, students 'thinking, students' learning difficulties on learning, students' learning style, and students' learning skills that in turn, affect students' achievements. Hence, the research indicates that PBL approach enhances the students' achievements, and allows to sharing knowledge, information and discussions, and therefore, we recommend students to utilize PBL approach for education purpose and should have encouraged them through lecturers at universities.