Effectiveness of Student Learning Results using Group Investigation Method and Brainstorming on Expert System Currency

This study aims to (1) know the results of student learning using the group survey method (2) know the results of student learning using the brainstorming method (3) know the difference between the learning outcomes of students using Group Investigation research methods and brainstorming in courses on expert systems. The population of this research includes the students of the fourth semester of STMIK Amik Logika Medan's IT department, ie 134 students divided into 4 classes. The sample of this study is followed by 2 classes of classes A and B composed of 36 B composed of 34 students. The sampling in this study was conducted using a cluster sampling technique in which one class is treated with the group search method and the other class with a brainstorming method. Based on the above calculation, there is a significant difference from the student's learning outcomes in the expert system course methods for research methods and brainstorming, the learning outcomes using the upper group method. The results of the mean post-test using the group survey are 80.14 and the results after the test with the average brainstorming 77.94. Keywords—results of student learning; group investigation method; brainstorming method