The Effect of Using Word Detective Strategy on the Eleventh Grade Students’ Vocabulary Achievement at Sman Pakusari in the 2016/2017 Academic Year

Abstract

The aim of this research was to investigate whether or not there was a significant effect of using word detective strategy on the eleventh grade students’ vocabulary achievement at SMAN Pakusari in the 2016/2017 academic year. Word detective strategy was one of interesting strategies. It was a strategy in teaching vocabulary that made the students be a detective to look for the meaning of the word by using context clues and word part clues. It gave an opportunity to the students to be a word detective to explore their ability in uncovering the meaning of the word. They could look for the meaning of the word by using context clues and checked the meaning of the word by using word part clues. In this strategy, they learnt how to uncover the meaning of the word by looking for the meaning from the context of the text and breaking down the word. They also learnt about prefix and suffix from this strategy. Thus, the researcher applied Word Detective Strategy in this research to know whether this strategy gave the positive effect or not. This research was conducted in SMAN Pakusari. The population of the research was the eleventh grade students of SMAN Pakusari in the 2016/2017 academic year. The researcher used cluster random sampling to choose the research respondents. The researcher applied Homogeneity test to know whether or not the condition of the population was homogeneous. Then, the result of the homogeneity test was analyzed by using ANOVA. Based on the homogeneity test, the population was homogeneous. Thus, the researcher used lottery to choose the experimental class and control class. The primary data were taken from the students’ vocabulary test and the supporting data were taken from the interview with the English teacher and the school documentation. The result of the students’ x vocabulary post test was analyzed by using T-test formula. The result of analysis showed that the computation value was higher than the value of t-table at 0.05 the significance level (2.824 > 2000). It can be concluded that there was a significant effect of using Word Detective Strategy. The result of this research showed that there was a significant effect of using Word Detective Strategy on the eleventh grade students’ vocabulary achievement at SMAN Pakusari in the 2016/2017 academic year. Thus, the researcher gave suggestion to use this strategy for a new way to teach vocabulary.