The Effectiveness of TANDUR Method of Improving Students‘ Learning Ability in Junior High School

The problem of this research was whether there is effectiveness of using TANDUR method of improving students' learning ability on concept of set matter to solve problems in grade VII students of Aisyiyah Sumatera Utara junior high school (MTs). As the purpose of this study was to determine whether the effectiveness of the utility of TANDUR method in improving students' learning abilities on subject the concept of set in solving problems in grade VII students of MTs Aisyiyah
Sumatra Utara. The research instruments used were test and observation. As the population in this study were all students in class VII MTs Aisyiyah Sumatra Utara consisting of 2 classes namely class VII-A and class VII-B. Where the number of students from both classes was 44 students and the sample was the whole population. The results of research which have been researched by the author obtained that the hypothesis accepted was Ha that there was effectiveness of the utility of TANDUR
method in improving students' learning abilities on subject the concept of set in solving problems in grade VII students of MTs Aisyiyah North Sumatra. The effectiveness of using TANDUR method to improve students' learning ability on subject the concept of problem solving in grade VII students of MTs Aisyiyah Sumatra Utara with determination coefficient was 59.2% meant that students' learning ability on subject the concept of set in solving problem was influenced by Students’ creativity factor in learning by using TANDUR method was 59.2% while the rest was influenced by other factors.