Tongue Twister Technique: The Effectiveness in Pronouncing /S/ and /ʃ/ Sounds

The aims of this research is to examine whether the Tongue Twister Technique significantly effect in pronuncing /s/ and /ʃ/ sounds. This research used experimental method . The population of this research was the students at the XI grade of SMAN 4 Padangsidimpuan. The data were collected by giving the pre-test and post-test with the oral test as the instrument. The researcher found that the mean score of experimental class after learning using tongue twister technique (74.35) was higher than the mean score of experimental class before learning using tongue twister technique (38.06). After calculating the t-test, researcher found that tcount (4.928) ttable (2.00). It meant hypothesis was accepted. It can be concluded that there is significant effect of Tongue Twister Technique in Pronuncing /s/ and /ʃ/ sounds.