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WISC–IV Subtests as Measures of g

Good measure of g

Fair measure of g

Poor measure of g

Subtest

Average loading of g

Proportion of variance attributed to g (%)

Subtest

Average loading of g

Proportion of variance attributed to g (%)

Subtest

Average loading of g

Proportion of variance attributed to g (%)

Vocabulary

.83

69

Block Design

.70

49

Cancellation

.27

7

Information

.81

66

Matrix Reasoning

.70

49

 

 

 

Similarities

.81

66

Picture Completion

.66

44

 

 

 

Arithmetic

.77

59

Letter-Number Sequencing

.66

43

 

 

 

Word Reasoning

.73

54

Symbol Search

.61

37

 

 

 

Comprehension

.73

53

Picture Concepts

.61

37

 

 

 

 

 

 

Digit Span

.57

32

 

 

 

 

 

 

Coding

.51

26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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