Table 3.
Vocalization Type (mean, SD) | Group
|
||
---|---|---|---|
LRC n = 24 | HRA-N n =18 | ASD n = 5 | |
Promoting, vowels | .36 (.18) | .31 (.16) | .16 (.21) |
Non-Promoting, vowels | .13 (.11) | .15 (.10) | .07 (.11) |
Promoting, consonant-vowels | .53 (.27) | .50 (.36) | .50 (.24) |
Non-Promoting, consonant-vowels | .10 (.14) | .05 (.06) | .00 (.00) |
Note: no significant group differences. Main effect of response type, F(1,44) = 61.51, p<.01, and infant vocalization by response type interaction.