PENGARUH MOTIVASI DAN DISIPLIN TERHADAP PRESTASI BELAJAR PADA MATA PELAJARAN EKONOMI KELAS X IPS SMA NEGERI 2 MEDAN TA 2017/2018

The problems in this research was the lack of students' learning motivation, student’s lack of learning discipline and the poor student’s learning achievement. This research aimed to 1. Find out the influence of learning motivation against students’ learning achievement 2. Find out the influence of the learning discipline against student’s learning achievement 3. Find out the influence of learning motivation and learning discipline in supporting the learning achievement of economy on class X IPS in SMA Negeri 2 Medan Academic Year 2017/2018.
The population in this research were all students of class X IPS in SMA Negeri 2 Medan, which were amounted to 65 people. The sample in this research were taken using total sampling technique, which takes the entire population as the research sample, which were amounted to 65 people. Techniques of data collection used were the multiple linear regression technique analysis and use hypothesis test partially (t test) and simultaneous (f test) as well as using the coefficient of determination. Before the analysis test was conducted, then prerequisite analysis test was conducted namely normality test.
The results of the research showed that the testing of the hypothesis partially for motivation with significant level of 95% showed that value was 5.307 and value was 1.669 then obtained > (5.307> 1.669) then Ha was accepted and Ho was rejected, and hypothesis testing for the learning discipline with the significant level of 95% showed that value was 4.057 and value was 1.669 then obtained > 4.057> 1.669) then Ha was accepted and Ho was rejected. Simultaneously testing hypothesis with the significant level of 5% showed that > (37,490> 3,15) Ho was rejected Ha was accepted, and the coefficient of determination (R²) amounted to 0,547 or 54,7%, where this indicated that contribution of influence which was given by the variable of learning motivation and learning discipline against students’ learning achievement was amounted to 54,7%.
Based on the results of data analysis, it can be summarized as follows: 1. There was positive and significant influence between learning motivation against students’ learning achievement, 2. There was positive and significant influence between learning discipline against students’ learning achievement. 3. There was positive and significant influence between learning motivation and learning discipline of learning together against student’s learning achievement in class X IPS in SMA Negeri 2 Medan.