The Effect of Using Riddles on the Eleventh Grade Students' Vocabulary Achievement at SMKN 1 Jember

Abstract

This research was intended to know whether or not there was a significant effect of using riddles on the eleventh grade students' vocabulary achievement. The research design was Experimental Research. The area and subjects of this research were chosen purposively by using purposive method. The data were collected from vocabulary post test, interview, and documentation. The result was that the post test were analyzed statistically by using SPSS with independent sample t-test to know whether the mean difference between the experimental group and the control group was significant or not. The value of significant column of Lavene's test was 0.521. It was higher than 0.05. It was indicated that the variance of scores of both population was equal. Beside that, in t-test column, the value of significant (2 tailed) was less than 0.05 that was 0.029. It meant that there was a statistical difference between the experimental group and the control group. In other words, there was a significant effect of using Riddles on students' vocabulary achievement. It meant that the null hypothesis (Ho) formulated: “there is no significant effect of using riddles on the eleventh grade students’ vocabulary achievement at SMKN 1 Jember” was rejected, while the alternative hypothesis (Ha): “there is a significant effect of using riddles on the eleventh grade students’ vocabulary achievement at SMKN 1 Jember” was accepted.