PENGARUH PENDEKATAN PEMBELAJARAN INKUIRI TERHADAP HASIL BELAJAR MATEMATIKA SISWA KELAS X SMA NEGERI 1 KOTANOPAN
The learning achievement of Mathematic in Senior High School 01 of Kotanopan was not as expected. Methods and models learning which were used in the teaching learning process yet increased the achievement of the student in mathematics. So that, its necessary rat to improve the achievement of the student in mathematics by using inquiry learning. This study has purpose to measure the effect inquiry learning toward the achievement of the students in mathematics specially in Senior High School 01 of Kotanopan. Population of study were all the students X level Senior High School 01 of Kotanopan which has 155 students in number. The sample were selected by using random sampling technique. The chosen sample is XA which use as an experiment class and have 30 students and XD as a control class numbered 30 students also. This study is quasi experiment. Collecting data technique in this study using essay test which done both of the experiment class and control class. Data were analyzed by using Analysis of Variance ( anava ). This study showed that (1) achievement study of the students in mathematics which were taught by using inquiry learning were higher than conventional learning, (2) mathematics achievement of the students which has high entry behavior inquiry learning was not higher than those students which has high entry behavior in conventional learning, (3) mathematics achievement of the students which has low entry behavior in inquiry learning is higher than conventional learning, (4) there is no interaction between learning method and base-knowledge in affecting the mathematics achievement of the students.