5.2.2 Differences between age groups

We separated our sample into two groups by age (see Table 4 for regression results). The younger group ranged in age from 39 to 55 months (n = 44, M = 48.14, SD = 4.75); the older group ranged in age from 56 to 75 months (n = 44, M = 61.59, SD = 4.00). Regressions were performed to explore differences between outcome variables for the two age groups. Using the enter method we found Model 1 and

Variable

140

18. Teacher BP

.10

0.19 0.39

\*\*\*

0.22

0.07 0.17

0.07 0.04

0.16

0.16

0.39

\*\*

0.28\*

0.15

0.22

0.06

0.13

0.

—

09

WM

19. Teacher BP

0.19

0.16 0.38

\*\*

0.25\*

0.27 0.22

0.25 0.06

0.18 0.19

0.42

0.38

\*\*\*

\*\* 0.21

0.29\*

0.08

0.18

0.19 0.82

\*\*\*

—

Early Childhood Education

PO

20. Teacher

0.15

0.21 0.42

\*\*\*

0.19

0.22 0.17

0.27 0.05

0.20 .024

0.43

\*\*

0.37\*

0.17

0.29

0.20

0.27\* 0.86\*\*\* 0.94\*\*\*

—

\*\* 0.09

> BP P&O/WM

> > \*

p 0.05

\*\*<sup>p</sup> 0.01

\*\*\*p Note: Raw scores used.

Table 2. Correlations

 between variables.

0.001.

 1

 2

 3

 4

 5

 6

 7

 8

 9

 10

 11

 12

 13

 14

 15

 16

 17

 18

 19

 20


#### Table 3.

Regression analyses with all ages combined for variables predicting the TEMA.

Model 2, which included the executive functioning measures, was only significant for the older group. Model 3, which added the PPVT-III, was significant for both groups. Model 4 added the PALS total score and provided the best fit for both age groups.
