Table 1.
Pearson correlation matrix of study variables.
| Sex | SES | 30 months | 36 months | 42 months | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lang | BA Go | BA No-Go | SS | GS | PR | SCR | Lang | BA Go | BA No-Go | SS | GS | PR | SCR | Lang | BA Go | BA No-Go | SS | GS | PR | SCR | |||
| Sex | – | ||||||||||||||||||||||
| SES | −.01 | – | |||||||||||||||||||||
| Lang 30 | .08† | .27*** | – | ||||||||||||||||||||
| BA Go 30 | .20*** | .07 | .27*** | – | |||||||||||||||||||
| BA No-Go 30 | −.15* | .02 | −.07 | −.44*** | – | ||||||||||||||||||
| SS 30 | .09† | .02 | .37*** | .14* | −.02 | – | |||||||||||||||||
| GS 30 | .04 | −.03 | −.04 | −.01 | .16* | −.04 | – | ||||||||||||||||
| PR 30 | .22*** | .04 | .14*** | .07 | .00 | −.02 | .05 | – | |||||||||||||||
| SCR 30 | .21*** | .12† | .14* | .08 | .01 | .02 | −.02 | .15* | – | ||||||||||||||
| Lang 36 | .09† | .19*** | .65*** | .26*** | −.01 | .29*** | −.13* | .07 | .23*** | – | |||||||||||||
| BA Go 36 | .10† | .03 | .20*** | .07 | −.03 | .04 | −.05 | .07 | .03 | .18*** | – | ||||||||||||
| BA No-Go 36 | .09† | .07 | .22*** | .11† | .16* | .17*** | .07 | .14* | .19* | .28*** | −.11* | – | |||||||||||
| SS 36 | .10* | .11* | .37*** | .10 | −.02 | .23*** | −.11† | .01 | .25*** | .39*** | .15*** | .14* | – | ||||||||||
| GS 36 | .05 | .00 | −.01 | .05 | .06 | .02 | .08 | .00 | .08 | .03 | .01 | .20*** | −.02 | – | |||||||||
| PR 36 | .26*** | .07 | .10† | .14* | −.03 | −.01 | .06 | .62*** | .19* | .07 | .00 | .13* | .05 | .03 | – | ||||||||
| SCR 36 | .23*** | .04 | .14† | .21* | .08 | .08 | .11 | .24*** | .50*** | .15* | .02 | .14† | .18* | .16* | .34*** | – | |||||||
| Lang 42 | .07 | .17*** | .55*** | .24*** | −.15* | .29*** | −.09 | .07 | .17* | .67*** | .22*** | .20*** | .38*** | −.05 | .05 | .06 | – | ||||||
| BA Go 42 | .10† | −.01 | .11* | .09 | −.04 | .00 | −.07 | .04 | .11 | .16*** | .20*** | .10† | .17*** | .07 | .03 | .11 | .12* | – | |||||
| BA No-Go 42 | .11* | .11* | .33*** | .22*** | −.01 | .17*** | −.01 | .10† | .18* | .41 *** | .14* | .40*** | .32*** | .08 | .13* | .16* | .41*** | .07 | – | ||||
| SS 42 | .05 | −.01 | .22*** | .21 *** | .01 | .24*** | −.05 | −.03 | .14† | .26*** | .12* | .05 | .28*** | −.03 | −.07 | .03 | .27*** | .13* | .20*** | – | |||
| GS 42 | .06 | .13* | .15*** | .17*** | −.01 | .16*** | −.01 | −.08 | .11 | .22*** | −.07 | .19*** | .15* | .21*** | −.01 | .10 | .20*** | .13* | .17*** | .09† | – | ||
| PR 42 | .22*** | .07 | .10† | .03 | .01 | −.02 | .06 | .55*** | .13† | .10† | −.01 | .12* | .08 | .09 | .68*** | .33*** | .09† | .01 | .25*** | .03 | −.03 | – | |
| SCR 42 | .33*** | .07 | .09 | .18* | .06 | .00 | .10 | .23*** | .45*** | .16* | −.04 | .23*** | .09 | .07 | .23*** | .55*** | .19* | .21*** | .27*** | .09 | .15* | .19* | – |
Note. “SES” = socioeconomic status; “Lang” = language ability; “BA” = Bird/Alligator; “NG” = no-go; “SS” = Shape Stroop; “GS = Grass/Snow”; “PR” and “SCR” are parent and secondary caregiver reports, respectively, on the Inhibitory Control scale from the Children’s Behavior Questionnaire–Short Form. Sex is coded with male = 0 and female = 1.
***
p < .001;
*
p < .05;
†
p < .10; all ps two-tailed.