Analisis Penggunaan Media Pembelajaran Microsoft Powerpoint Dan Media Lembar Kerja Siswa (LKS) Terhadap Penguasaan Materi Pembelajaran Ekonomi Kelas XI Di SMA Al-Islam 1 Surakarta

This research aims to determine how much influence the learning media as well as media Microsoft powerpoint and student worksheets towards economic mastery learning material in class XI in SMA Al-islam 1 Surakarta. This research is a type of quantitative research with descriptive research design. The population of 200 students and taken as many as 127 students as sample using simple random sampling technique. The instruments used, namely questionnaire. Then the data analysis techniques using a prerequisite test analysis by using test normality test and linieritas, and whose hypotheses testing using simple linear regression analysis, t-test, the coefficient of determination (R2). The results showed a positive and significant influence between the variables of instructional media Microsoft powerpoint and student worksheets media against economic mastery learning material in class XI in SMA Al-islam 1 Surakarta indicated by the correlation coefficient 0,541 and 0,235 and which shows that the correlation between the variables X to Y classified as very strong, and the coefficient of determination variables X1 and X2 to Y generates a value of 0,610. This indicates that the variable media Microsoft powerpoint and student worksheets media have contributed to the economic mastery learning materials by 61,0% while the remaining 39,5% is influenced by other variables outside the research model as an environment variable to learn and motivation to learn