A Scientific Approach Based on Portfolio Assessment for Autonom Problem Solving

The aim of the current study is: 1) application of a scientific approach based on portfolio assessment in the English correspondence course; (2)  learning outcome in English correspondence course; (3) constraints in applying a scientific approach based on portfolio assessment. The participants include 83 students of Education Studies Program Administration Office at the State University of Surabaya. this research uses a qualitative approach and this type of research is classroom action research. The results showed that the application of Scientific approach -based portfolio assessment to improve learning outcomes by 41% is the difference between pre-test and post-test. The percentage of students who complete the study is 90%. Students are difficult to arrange the portfolio and the preparation takes a long time. While the advantage is to increase students' independence to solve problems and they can plan their long-term goals