CHAPTER III
METHOD OF RESEARCH

3.1 Method of research
Method of this research that used for this observation is a descriptive method. And the purpose is to know the role of scientific course for students’ achievement and learning in SMA Plus Negeri 17 Palembang.

3.2 Population and Sample
Tabel 1. Population
No. Class Male Female Total
1. XI Science 30 30 60
Total 30 30 60
Population is all the organisms that both belong to the same species and live in the same geographical area. The populations of this research are all of students in XI scientific students’ in SMA Plus Negeri 17 Palembang. Male is 30 people from XI Science and female is 30 people from XI Sience. This populations are taken because the writer want to know the role of scientific course for students’ achievement and learning in SMA Plus Negeri 17 Palembang , especially in XI scientific grade in SMA Plus Negeri 17 Palembang.
Tabel 2. Sample
No. Class Male Female Total
1. XI PSIA 1 5 5 10
2. XI PSIA 2 5 5 10
3. XI PSIA 3 5 5 10
4. XI PSIA 4 5 5 10
5. XI PSIA 5 5 5 10
6. XI PSIA 6 5 5 10
Total 30 30 60