多信息源口速连发评估在说 Mandarin 的儿童和青少年中的应用：一项横断面观察研究方案

Abstract Background Oral diadochokinesis (oral-DDK) measures rapid, accurate repetition of syllables or syllable sequences and is widely used in speech motor assessment. Its interpretation requires attention to task demands and medical or physiological factors, as well as possible correspondence with everyday speech. Objective This study aims to estimate task-, age-, and sex-related patterns in correct oral-DDK rate among Mandarin-speaking children and adolescents aged 8 to 17 years; examine associations with medical and physiological measurements; and assess correspondence with parent and tea