TABLE 3.
Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | |
---|---|---|---|---|---|---|
SESa | 2.3 (1.5) | 2.2 (1.3) | 1.8 (1.4) | 1.8 (1.2) | 2.1 (1.3) | 2.1 (1.2) |
% Spanish exposureb | 10.3 (1.5)*** | 9.3 (1.3)*** | 8.7 (1.4)*** | 8.3 (1.3)*** | 8.5 (1.4)*** | 8.2 (1.3)*** |
Spanish vocabulary sizec | – | 6.4 (1.3)*** | – | 5.4 (1.3)*** | – | 5.5 (1.3)*** |
Spanish accuracyd | – | – | 5.7 (1.4)*** | 4.3 (1.3)** | – | – |
Spanish RTd | – | – | – | – | −5.6 (1.4)*** | −4.3 (1.3)** |
Total R2 | 35.8%*** | 49.3%*** | 45.6%*** | 54.6%*** | 45.3%*** | 54.6%*** |
r2-change | – | 13.5%*** | 9.8%*** | 18.8%*** | 9.5%*** | 18.8%*** |
Note: Unstandardized coefficients (SE); r2-change values for Models 2–6 are in reference to Model 1.
Socioeconomic status (SES) at 4½ years from an updated version of the Hollingshead Index of Social Status (Hollingshead, 1975).
Reported relative exposure to Spanish versus English at 4½ years based on a comprehensive language background interview.
Number of words reported as ‘comprende y dice’ on the Spanish-language Inventario: Palabras y Enunciados at 2 years (Jackson-Maldonado et al., 2003).
Accuracy and speed (RT) of processing familiar Spanish words in the looking-while-listening (LWL) procedure at 2 years (Fernald et al., 2008).
p < .05;
p < .01;
p < .001.