The purpose of the research is to measure the effectiveness of communicative activities on students’ speaking anxiety and speaking ability to the eight grade students at SMP N 1 Nanga Pinoh. The research design was quasi – experimental research, in collecting data researcher are using questionnaire and speaking test. The sample were 2 classes:
experimental class and control class consisting of 60 students from those two classes. The speaking anxiety and speaking ability score were measured by using Independent T-Test. To analyzed data researcher did several steps: determining and selecting the samples, distributing
questionnaire, and analyzing, interpreting, concluding the data gained from the test tabulated and calculated. The researcher used SPSS.26 to analyze the of both data.
The result showed that communicative activities are effective on students’ speaking anxiety and speaking ability. It was proven by the mean score of students’ speaking anxiety in the experimental class and control class (59.97 < 66.97). Besides, the probability value is smaller
than the significant level (0.004 < 0.05). Furthermore, the average score for speaking skills of experimental class students was higher than control class. It was proven by the mean score of students’ speaking ability in the experimental class and control class (81.97 < 79.52). The result of this
research also supported by a probability value that is lower than the significant level (0.027) < 0.05). Based on the result of analysis, it means that there is significant effectiveness of the use of communicative activities on students; speaking anxiety and students speaking ability.

Keyword; Communicative activities, speaking anxiety, speaking ability