The purpose of this study was to investigate the interjectional characteristics in children and adults who stutter. The interjectional characteristics were measured through the ratio, the linguistic unit, and the length in monologue about picnic, travel and TV program for a minute. Eleven stuttering children(8 males, 3 females), from 5 to 12 years old, and eleven stuttering adults(15 males, 17 females), from 17 to 32 years old, were participated in the study.
The results of this study were as follows;
First, there was significant difference between stuttering children and adults groups in the interjectional ratio, and interjectional ratoi in adults who stutter indicated significantly higher than the one in children who stutter. Second, in terms of linguistic units, there was no significant difference between groups, but there was significant difference among linguistic units, and syllable interjections were significantly higher than vowel, clutter and phrase interjections. Finally, in the linguistic length, there was no significant difference between groups, but there was significant difference among linguistic lengths, and one-syllable interjection was significantly higher than two, three, four and five-syllable interjections.