TABLE 1.
Mean Correlation, Coefficient and Lag for Each Articulator Pair and Probe
| Mean PC r (SEM z) | Mean Lag (SEM, msec) | |||||
|---|---|---|---|---|---|---|
| Pop | Puppet | Puppypop | Pop | Puppet | Puppypop | |
| J–LL | *† | ‡ | ||||
| CAS | 0.90 (.18) | 0.7 (.03) | 0.68 (.11) | 24.33 (2.78) | 28.54 (2.8) | 21.67 (2.2) |
| SD | 0.87 (.15) | 0.66 (.10) | 0.76 (.10) | 25.48 (3.25) | 25.15 (4.48) | 17.03 (3.43) |
| TD | 0.82 (.12) | 0.7 (.07) | 0.62 (.13) | 20.5 (3.5) | 20.5 (1.67) | 18.87 (2.77) |
| J–UL | † | †‡ | ||||
| CAS | 0.67 (.04) | 0.59 (.08) | 0.57 (.11) | 35.15 (2.25) | 34.06 (2.64) | 25.6 (2.71) |
| SD | 0.58 (.07) | 0.53 (.07) | 0.54 (.07) | 38.43 (1.65) | 35.92 (2.97) | 29.83 (2.77) |
| TD | 0.66 (.11) | 0.5 (.05) | 0.46 (.08) | 34,29 (2.33) | 31.69 (3.53) | 27.86 (3.04) |
| UL–LL | †‡ | |||||
| CAS | 0.72 (.14) | 0.67 (.11) | 0.55 (.08) | 25.98 (4.24) | 22,41 (4.23) | 23.98 (6.05) |
| SD | 0.65 (.09) | 0.7 (.10) | 0.6 (.09) | 26.87 (1.95) | 21.61 (4.13) | 25.83 (3.85) |
| TD | 0.71 (.10) | 0.68 (.10) | 0.53 (.06) | 23.67 (4.05) | 25.56 (2.55) | 26.78 (1.38) |
*
Significant length effect between pop and puppet (P < .0001).
†
Significant length effect between pop and puppypop (P < .035).
‡
Significant length effect between puppet and puppypop (P < .025).
CAS = Childhood Apraxia of Speech; SD = speech disordered; TD = typically developing; J–LL = jaw–lower lip; J–UL = jaw–upper lip; UL–LL = upper lip–lower lip; SEM = standard error of the mean.