The Effectiveness of Quizizz Towards Students' Vocabulary
This research aims to determine the effectiveness of Quizizz on student vocabulary for grade 8 students at SMPN 2 Tarakan for the 2023/2024 academic year. The population of this research was 8th-grade students at SMPN 2 Tarakan, totaling 356 people. The researcher applied purposive sampling techniques to select participants. Thus, the researcher decided on two groups for this study: the experimental and control groups. This study employed a vocabulary test as an instrument to collect data. The data were analyzed using the parametric statistical technique Independent Sample t-test via SPSS. The results demonstrated that the difference in the average pre-test between the two group was 5.55, while the average difference in the post-test between the two groups was 10.82. Second, the results illustrated the significance of the t-test 0.05, meaning there is a significant difference in student learning achievement between the experimental and control groups. The post-test results of the experimental showed that the achievement of students who were given vocabulary through Quizizz was higher than those who were not given vocabulary through Quizizz. In addition, although the control group was not assigned vocabulary through Quizizz, the post-test results of this group also showed significance compared to their pre-test results. To implement engaging learning, teachers at SMP Negeri 2 Tarakan and various other schools can use Quizizz as a learning medium for vocabulary learning.