CHAPTER V
CONCLUSION AND SUGGESTION

This chapter present the conclution and suggestion based on the research finding and discussion in chapter IV. 
A.	Conclusion
Based on the research findings and conclusion, it is concluded that student’s vocabulary mastery and their involve in English class could be improved by using inquiry technique. Based on this research, the researcher concluded that:
From the result of the analysis of the research, it was proven that the student score of vocabulary taught by using inquiry technique in cycle 1 and cycle 2 is better than in preliminary study. In preliminary study there were only 15% of the student who got 75. In cycle 15% and then In cycle 2 17%.
          Improving vocabulary mastery achieved is caused by teacher implemented inquiry technique, with some steps of
-      The teacher divides the student into 5 groups
-	Teachers provide materials/ teaching materials
-	Students observe the environment outside the classroom
-	Student seeking vocabulary based on materials 
-	Student make conclusions with the group
-	The findings in discussing
-	Summing up the results
-	Asking difficult during teaching learning
-	Conclude the material
-	Assesment
-	Test vocabulary
B.	Suggestion
This section presents suggestions for the English teachers, the students and the other researchers.
1.	For the English teachers
The researcher suggest that the teachers of any student levels especially the English teacher of SMP Negeri 2 Sumbergempol Tulungagung master the curriculum, teaching design, method, teaching learning suitable with the student ability and capacity, and the situation of the class to gain the success. They create their own technique that can facilitate the vocabulary learning process of their students.
2.	For the student
The student should be active and creative in looking for new vocabulary. The students are better to use English when they were in the inquiry’s activities although it was hard for them. The students should take part much in implementing if they do not understand to the inquiry technique activities.
3.	For the future researcher
It is suggested that to future researcher who finds similar problem that they conducted the similar study in different levels with different types of the vocabulary problem to see wether inquiry technique is also appropriate and effective to improve the students vocabulary mastery.