Table 2 Performance on SAT measures among 8 age groups (mean; SD)

Proposition

5.75

(.79)

5.90

(1.25)

6.05

(.97)

6.32

(1.53)

7.15

(1.35)

7.25

(1.29)

8.63

(1.12)

9.00

(.85)

Pertinence

.06

(.10)

.04

(.08)

.03

(.08)

.03

(.07)

.03

(.06)

.04

(.08)

.00

(.00)

.00

(.00)

Salience

.27

(.05)

.28

(.07)

.29

(.06)

.31

(.08)

.35

(.07)

.35

(.07)

.43

(.06)

.45

(.04)

ToM Cognitive

.05

(.08)

.06

(.10)

.10

(.13)

.05

(.09)

.07

(.11)

.09

(.11)

.08

(.10)

.10

(.09)

ToM Affective

.00

(.00)

.03

(.06)

.02

(.06)

.02

(.06)

.04

(.08)

.03

(.08)

.06

(.09)

.05

(.08)

Animation

1.00

(.65)

1.40

(.50)

1.43

(.68)

1.37

(.50)

1.60

(.88)

1.70

(.73)

3.05

(.52)

3.13

(.52)

Person

.90

(.31)

1.50

(.89)

1.19

(.81)

1.47

(.96)

1.95

(.94)

1.90

(.79)

3.32

(.58)

4.00

(.53)

Problem-solving

.34

(.12)

.37

(.11)

.38

(.17)

.34

(.11)

.48

(.16)

.41

(.13)

.72

(.18)

.85

(.15)