The Effect of Using Authentic Picture on Vocabulary Mastery of The Eighth Grade Students at SMP Miftahul Hasan Al-Utsmani in 2016/2017 Academic Year

Language is one of the most important things in communication and it is used as a tool of communication among the nations all over the world. As an International language, English is very important and has many interrelationships with various aspects of life that owned by human being. In Indonesia, English is learned by students as a foreign language and taught formally from elementary school up to the university level.
Based on the problem of the study, this research formulated as: Is there any significant effect of using authentic picture on vocabulary mastery of the eighth grade students at SMP Miftahul Hasan Al-Utsmani in 2016/2017 academic year.
This research aims to know whether or not there is a significant effect of using authentic picture on vocabulary mastery of the eighth grade students at SMP Miftahul Hasan Al-Utsmani in 2016/2017 academic year.
The kind of this research is qualitative, and the design of this research is quasi experimental research. In this research, the writer uses population research. The data collecting method is using test in a form of objective test, preliminary study and the result of the data is analyzed by using the effectivity formula.
The hypothesis of this research explains there is significant effect of teaching vocabulary mastery using authentic picture of the eighth grade students at SMP Miftahul Hasan Al-Utsmani in 2016/2017 academic year. To test hypotheses, effectivity treatment formula was applied. The value of t-test was consulted with significant level 5% in order to know whether there is or no significant effect of teaching vocabulary mastery using authentic picture of the eighth grade student at SMP Miftahul Hasan Al-Utsmani in 2016/2017 academic year.
Based on the general problem, the result of the data analysis of t-test is finding that the value of t-test is 2.06 while the value of t-table with the significant level of 5% and degree of freedom 48 is 2.01. So, the value of t-test is higher than t-table. It can be concluded that “There is significant effect of using authentic picture on vocabulary mastery of the eighth grade students at SMP Miftahul Hasan Al-Utsmani in the academic year of 2016/2017”.