Copyright © American Speech-Language-Hearing Association From: Developmental Changes in the Effects of Utterance Length and Complexity on Speech Movement Variability J Speech Lang Hear Res. 2008;51(5):1138-1151. doi:10.1044/1092-4388(2008/06-0222) Legend: Time- and amplitude-normalized movement trajectories and the resulting STI values for one 12-year-old for the production of “buy Bobby a puppy.” Top panel: Movement trajectories from the baseline condition. Bottom panels: Movement trajectories of “buy Bobby a puppy” produced in the embedded conditions. Date of download: 11/12/2017 Copyright © American Speech-Language-Hearing Association