The objective of this research is to find out whether the application of STAD method can improve the English vocabulary mastery of grade VIII students of SMP Negeri 19 Palu. This research applied quasi experimental research design in which the two groups had posttest. The population was Grade VIII students of SMP Negeri 19 Palu. Thesamples were Class VIII D as the experimental group and VIII A as the control group which contained 17 students for each. Experimental group was given the treatment, while the control group was not. The technique of data collection was test. The data were analyzed descriptively and statistically. Having analyzed the data, the researcher found that there were different score obtained from the control group and the experimental group. In other words, the t-counted (6.6) was greater than the t-table (2.0). In this case, the research hypothesis was accepted. Hence, the use of students team achievement division method can improve the students vocabulary mastery of the grade VIII students of SMP Negeri 19 Palu. Keywords: Improving, Vocabulary, Students Team Achievement Division

The objective of this research is to find out whether the use of video-cast in writing narrative paragraph at the second grade students of SMA Negeri 1 Biromaru can be improved or not. This research used pre-experimental research with intact group design, in which it took two groups as control group and experimental group. Thepopulation was the second grade students of SMA Negeri 1 Biromaru. The samples were Class XI IPA Model as the experimental group consisting of 18 students and Class XI IPA 1 as the control group consisting of 17 students. In collecting the data, the writer used test. The test was used once as the post-test. Then, the data were analyzed statistically. Having analyzed the data, there were different scores obtained from the control group and the experimental group. In other words, the t-counted (5.22) was greater than the t-table (2.0357). It could be concluded that the research hypothesis is accepted. In conclusion, the use of video-cast in English teaching is effective to improve students’ ability in writing narrative paragraph to the second grade students of SMA Negeri 1 Biromaru. Keywords: Video-cast; Narrative paragraph; Writing

The objective of research was to develop reading comprehension of the grade X students at MA Alkhairaat Pusat Palu by applying REAP technique in teaching English. The problem of this research was concerned with the lack of the students’ reading comprehension skill. The research applied intact group research design that involved two groups; they were experimental group and control group. The population of the research was the X grade students. The total number was 125 students. The sample were X IPA A and X IPA B, that were selected through purposive sampling technique. In collecting the data, treatment was just given to the experimental group and post-test given to the both groups. Having analyzed the data, the t-counted is 10 with degree of freedom (df) of 26-1 = 25 and 0,05 critical value was higher than t-table (2.060). It means that the hypothesis is accepted. It means that, applying REAP technique develop the students’ reading comprehension of the X grade students at MA Alkhairaat Pusat Palu. Keywords: Develop; Reading Comprehension; REAP Technique

The objective of this research was to examine that the use of repetition drill can improve students’ ability in pronouncing sounds of suffix –ed at SMP Bala Keselamatan Palu. Pre-experimental research design was applied in this study. The research sample was class VIII A which consisted of 30 students. The sample was taken through cluster sampling technique. The data were collected by using tests (pre-test and post-test). The result of pre-test was 8.56 and the result of post-test was 20.26. Therefore, the mean deviation was 11.7. Then, data analysis showed that there was a significant difference between pre-test and post-test. It was proved by testing hypothesis. By applying 0.05 level of significance with 29 (30-1) degree of freedom (df), t-counted value (15) was higher than t-table value (1.699). It means that the research hypothesis was accepted. In other words, the application of repetition drill was effective to improve students’ ability in pronouncing suffix –ed at SMP Bala Keselamatan Palu. Keywords: Improving, Pronunciation, Suffix –ed, Repetition Drill

The objective of this research is to find out whether the application of graphic organizer can increase the vocabulary mastery of grade VIII students at SMPN 19 Palu or not. This research wasintact design group that involved two groups; they were experimental group and control group. The research population was the grade VIII students at SMPN 19 Palu. The sample of this research were class VIII C as experimental class and VIII B as control class which consisted of 17 students for each. In collecting the data, the researcher used non-test (observation) and test (post-test). The data were analyzed descriptively and statistically. The results of data analysis showed that there was a significant difference between the achievement of experimental and control groups. In other word, the t-counted (22.16) is greater than t-table (2.120). In this case, the research hypothesis was accepted. Furthermore, the researcherconcludes that graphic organizer can increase vocabulary mastery of grade VIII students at SMPN 19 Palu. Keywords: Effectiveness, Vocabulary Mastery, Graphic Organizer

The objective of this research was to prove that the application of Audio Visual Method can improve the ability of the eighth grade students of MTs Cik Ditiro in pronunciation. This research employed intact research design. The study applied purposive sampling which involved experimental and control groups. He applied two instruments test and observation in collecting data. The result of the data analysis showed that the mean score of experimental group (74.66) was greater than the mean score of control group (54.08) and the result of t-counted (5.73) which was greater than t-table (2.01). There was a significant difference of the achievement. It means that, the study hypothesis was accepted that the use of Audio Visual Method was effective to improve pronunciation of aspirated sounds of the eight grade students at MTs Cik Ditiro Palu. Keywords: Pronunciation; aspirated sounds; audio visual method.

The objective of this research was to prove that the implementation of jigsaw technique could improve the reading comprehension of the grade VIII students at SMP Negeri 20 Palu. The research design was pre-experimental research. The number of the sample was 20 students. The researcher employed one group pre-test and post-test design. The pre-test was used to measure the students’ comprehension in reading before the treatment, and post-test was used to measure the students’ comprehension after the treatment. The students’ mean score in pre-test was 50.4 while post-test was 65.4. Based on the result of both tests, the researcher found that the t-counted value is 6.19. The level of significance counted is set up at 0.05 and the degree of freedom (df) of the table value is 20 – 1 = 19. The researcher found that t-table was 1.729. It showed that t-counted was higher than the t-table. It means that the hypothesis of this research is accepted. In conclusion, the use of jigsaw technique was effective to improve the students’ reading comprehension. Keywords: Improving; Reading Comprehension; Jigsaw Technique

The aim of this research was to find out whether or not applying short story can develop the students’ speaking skill of Grade IX of SMP Negeri 12 Palu. This research employed pre-experimental research design. The sample of this research was Grade IX students of SMP Negeri 12 Palu selected by using total sampling technique. The population was 28 students. The instrument of the data collection was a test given as pre-test and post-test. The pre-test was used to measure the students’ speaking skill before treatment; and the post-test was used to measure the students’ speaking skill after the treatment. The data gathered through test were analyzed statistically. The result of data analysis shows that the hypothesis was accepted by regarding to the analysis that t-counted 12.52 is higher than the t-table 1.703. The degree of freedom (df) of the table is 28-1 = 27. The level of significance is set up at 0.05. It means that the application of short story can significantly develop the students’ speaking skill of SMP Negeri 12 Palu. Keywords: Researching; Developing; Speaking; Short Story

The objective of this research was to prove that the use of scaffolding technique is effective to improve the ability of the eighth grade students of SMP LabSchool Palu in differentiating suffix –ed in form of verb and adjective. The researcher conducted intact group research design that applied two groups as a sample of the research which are experimental and control groups. The research population was the eighth grade students of SMP LabSchool Palu. The researcher used purposive sampling technique to choose the sample of this research. The total number of sample in the research was 49 students. In collecting the data of the research, the researcher used instrument which was post-test to both experimental and control groups. Moreover, the treatment was given only to the experimental class while the control class was not. The statistical analysis was used to analyze the data in the purpose of to know the significant difference of achievement on the students’ post-test between experimental and control groups. The result of data analysis showed that there was a significant difference between post-test results of experimental and control groups. By applying two-tailed test at 0.05 level of significance with 24 degree of freedom (df) or 25-1= 24, the researcher found that t-counted (4.25) was higher than t-table (2.064). It means that the research hypothesis was accepted. Based on this result, it was inferred that the use of scaffolding technique in teaching suffix –ed in form of verb and adjective was effective to the eighth grade students of SMP LabSchool Palu. Keywords: Suffix –ed; Sentence Construction; Scaffolding Technique

This research aimed at proving that the use of problem solving method can develop the speaking skill of Grade XI students of SMA Negeri 1 Ampibabo. Pre-experimental design was used in this research. The population was 136 Grade XI students of SMA Negeri 1 Ampibabo. The sample was selected by using cluster sampling technique. The instrument of data collection was test administered twice, namely pre-test and post-test. The data were analyzed in order to find out the significance of the achievement of the students between pre-test and post-test. By applying 0.05 level of significance and 38 (38-1=37) degree of freedom (df), the researcher found that the value of t-counted (13.35) is greater than t-table (1.687). The results of data analysis show that problem solving method can develop the students’ speaking skill of Grade XI of SMA Negeri 1 Ampibabo. Keywords: Developing; Speaking Skill; Problem Solving Method