2. THE EFFECTS OF ENGLISH SENTENCE PATTERNS AND VOCABULARY MASTERY TOWARDS STUDENT’S DESCRIPTIVE WRITING SKILL OF PRIVATE SENIOR HIGH SCHOOL IN EAST JAKARTA PEPI FIDIA NPM : 2009747922

3. FORMULATION OF THE PROBLEMS : Are there any effects of English sentence patterns and vocabulary mastery towards student’s descriptive writing skill of private senior high schools in East Jakarta? Is there any effect of English sentence patterns mastery towards student’s descriptive writing skill in East Jakarta? Is there any effect of vocabulary mastery towards student’s descriptive writing skill in East Jakarta ?

4. RESEARCH HYPOTHESES : There are significant effects of English sentence patterns and vocabulary mastery towards student’s descriptive writing skill of private senior high schools in East Jakarta. There is a significant effect of English sentence patterns mastery towards student’s descriptive writing skill of private senior high schools in East Jakarta. There is a significant effect of vocabulary mastery towards student’s descriptive writing skill of private senior high schools in East Jakarta.

5. RESEARCH FINDINGS : Regression Coefficient between X 1 and X 2 towards Y Model Summary ModelRR SquareAdjusted R Square Std Error of the Estimate 1.456.208.1817.994 R = 0.45 : high enough. Contribution X 1 & X 2  Y : 20%

6. RESEARCH FINDINGS : Significancy Test of Regression between X 1 and X 2 towards Y ANOVA ModelSum of Squares dfMean Square FSig 1Regression 989.4462494.7237.741.001 F observed : 7.741 F table : 4.94 F observed > F table Sig 0.001 < 0.05

7. RESEARCH FINDINGS : Regression between X 1 and X 2 towards Y Ŷ = 29.45 + 0.25 X 1 + 0.36 X 2 t table = 1.67 t observed X 1 = 2.441 t observed > t table Coefficients a Model Unstandardized Coefficients Standardize d Coefficients tSig. BStd. ErrorBeta 1(Constant) 29.45010.9122.699.009 X1.254.104.2952.441.018 X2.365.160.2752.277.026 a. Dependent Variable: Y

8. RESEARCH FINDINGS : Regression between X 1 and X 2 towards Y sig 0.018 < 0.05 sig 0.026 < 0.05 t table = 1.67 t observed X 2 = 2.277 t observed > t table Coefficients a Model Unstandardized Coefficients Standardized Coefficients tSig. BStd. ErrorBeta 1(Constant) 29.45010.9122.699.009 X1.254.104.2952.441.018 X2.365.160.2752.277.026 a. Dependent Variable: Y

9. Conclusions : 1.There are significant effects of English sentence patterns (X 1 ) and vocabulary mastery (X 2 ) towards student’s descriptive writing skill (Y). 2.There is a significant effect of English sentence patterns mastery (X 1 ) towards student’s descriptive writing skill (Y). 3.There is a significant effect of vocabulary mastery (X 2 ) towards student’s descriptive writing skill (Y). THE END