Changes in the item content from the WPPSI-R to the WPPSI-III

Number of Items on

Percent of Item increase - WPPSI-R to

Number of WPPSI-R Items Retained on

Percent of WPPSI-R Items Retained on

Number of New Items Written or Reworded

Percent of New Items Written or reworded

Subtest

WPPSI-R

WPPSI-III

WPPSI-III

WPPSI-III

WPPSI-III

for WPPSI-III

 for WPPSI-III

Verbal

Information

27

34

25.9%

19

55.9%

15

44.1%

Comprehension

15

20

33.3%

5

25.0%

15

75.0%

Arithmetic

23

Dropped

Vocabulary

25

25

0.0%

16

64.0%

9

36.0%

Similarities

20

24

20.0%

2

8.3%

22

91.7%

Sentences

12

Dropped

Receptive Vocabulary

38

100.0%

38

100.0%

Word Reasoning

28

100.0%

28

100.0%

Picture Naming

30

100.0%

30

100.0%

Performance

Object Assembly

6

14

133.3%

3

21.4%

11

78.6%

Geometric Designs

16

Dropped

Block Design

14

20

42.9%

7

35.0%

13

65.0%

Mazes

11

Dropped

Picture Completion

28

32

14.3%

19

59.4%

13

40.6%

Animal Pegs

20

Dropped

Coding

59

100.0%

59

100.0%

Matrix Reasoning

29

100.0%

29

100.0%

Picture Concepts

28

100.0%

28

100.0%

Symbol Search

50

100.0%

50

100.0%

Total

Verbal

122

199

63.1%

42

21.1%

157

78.9%

Performance

95

232

144.2%

29

12.5%

203

87.5%

Full Scale

217

431

98.6%

71

16.5%

360

83.5%

Note: Subtests in italic are new to the WPPSI-III.

The number and percent of items retained from the WPPSI-R to the WPPSI-III includes only those items that were taken directly from the WPPSI-R.