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Table 2 Flooring of subtest raw scores from standardization

From: A solution to limitations of cognitive testing in children with intellectual disabilities: the case of fragile X syndrome

Subtest domain

Percent of standard score of 1 (floored) overall % (males, females)

Raw score range flooreda

75th percentile raw score range flooredb

Arithmetic

70.0 (94.0, 31.3)

0–12

0–4

Block design

61.3 (82.1, 27.1)

0–14

0–5

Coding

46.7 (69.0, 11.1)

0–37

0–14

Comprehension

61.5 (84.5, 22.4)

0–15

0–8

Digit span

51.5 (73.4, 14.9)

0–7

0–3

Information

43.8 (64.9, 9.6)

0–10

0–6

Object assembly

47.4 (66.2, 17.1)

0–18

0–8

Picture arrangement

48.4 (70.2, 13.3)

0–10

0–4

Picture completion

40.1 (64.9, 15.7)

0–13

0–7

Similarities

49.5 (70.9, 14.6)

0–9

0–5

Symbol search

53.2 (76.5, 16.4)

0–11

0–4

Vocabulary

51.6 (74.6, 14.5)

0–21

0–12

  1. aCorresponding range of raw scores with standard score of 1
  2. b75th Percentile of range of raw scores with standard score of 1