Task

ASD

DS

ID

TD

4 years

5 years

6 years

(n = 11)

(n = 16)

(n = 10)

(n = 16)

(n = 19)

(n = 23)

Mean

(SD)

Mean

(SD)

Mean

(SD)

Mean

(SD)

Mean

(SD)

Mean

(SD)

Digit Span

Forward

Total score

6.8

(1.5)

4.1

(1.6)

4.7

(1.6)

4.7

(1.4)

5.1

(1.2)

5.8

(1.5)

Span units

4.7

(0.8)

3.4

(0.8)

3.5

(0.7)

3.6

(0.8)

3.9

(0.7)

4.1

(0.8)

Backward

Total score

3.5

(1.6)

2.0

(1.5)

2.3

(2.4)

0.9

(1.2)

2.2

(1.3)

3.0

(1.6)

Span units

3.0

(1.3)

2.0

(1.2)

2.2

(1.8)

1.1

(1.3)

2.2

(1.1)

2.6

(1.1)

AVLT

Recll

1^st (Immediate Recall)

2.4

(1.4)

1.6

(1.0)

2.5

(2.1)

2.1

(1.7)

2.6

(1.4)

3.7

(1.7)

2nd

4.4

(2.4)

3.3

(1.0)

4.3

(1.8)

3.5

(1.7)

4.1

(1.1)

5.1

(1.6)

3rd

6.5

(2.2)

3.7

(1.7)

5.3

(1.9)

3.8

(2.0)

5.0

(2.1)

6.1

(2.2)

4th

6.0

(3.4)

5.0

(2.1)

6.1

(1.8)

4.5

(2.2)

5.2

(2.2)

5.9

(2.6)

5th

7.1

(2.1)

5.2

(2.2)

6.2

(1.4)

4.6

(2.1)

5.6

(2.0)

7.0

(2.3)

6^th (After Interference Recall)

4.7

(3.0)

3.7

(2.5)

5.8

(1.3)

3.3

(2.3)

4.5

(2.4)

5.7

(2.5)

7th trial (Delayed Recall)

4.7

(2.9)

3.4

(2.4)

5.2

(1.8)

3.6

(2.4)

4.8

(2.1)

5.8

(2.5)

Interference Recall

4.3

(2.0)

2.5

(1.2)

3.2

(2.3)

3.1

(1.4)

2.9

(1.5)

4.1

(1.9)

Recognition

Correct Recognition

5.9

(3.7)

7.3

(2.4)

7.0

(2.6)

6.6

(2.9)

8.1

(2.2)

8.8

(1.7)

Number of words falsely recognized from the interference list

7.8

(2.9)

4.4

(3.3)

6.6

(2.0)

7.3

(2.4)

7.1

(2.9)

8.7

(2.0)

Number of words falsely recognized from the obstructive nouns

10.5

(3.9)

6.9

(4.2)

9.9

(2.2)

11.2

(3.2)

11.2

(3.2)

12.0

(1.8)

Recognition rate

0.8

(0.2)

0.6

(0.2)

0.8

(0.1)

0.8

(0.2)

0.8

(0.2)

0.9

(0.1)