Abilities of preschoolers: comparing different tools

Table 1 Descriptive statistics for tested variables

Measure	Applied to	Range
Raven's Progressive Matrices	58	6 - 32
Modified Bell Cancellation Test:
Rapidity	58	6 - 51
Accuracy	58	30 - 129
BVN 5-11
Auditory discrimination	58	60.4 - 119.7
Non-words repetition	55	87.9 - 122.2
Phonemic analysis	46	76.1 - 131.1
Phonemic fusion	31	90.0 - 177.3
Naming	58	61.9 - 140.6
Syntactic comprehension	57	0 - 136.6
Digit span	58	86.3 - 144.1
Corsi Test	58	68.1 - 132.1
Word pairs learning	53	80.9 - 174.6
Word memory	56	74.7 - 152.7
Short term memory	58	59.8 - 143.5
Long term memory	58	60.4 - 128.9
Praxic verbal skills	56	79.5 - 124.5
Praxic imitative skills	56	68.3 - 123.8
Tower of London	57	68.8 - 144.1
Phonemic fluency	54	86.9 - 147.5
Categorical fluency	58	64.2 - 130.0
Visual discrimination	57	75.0 - 117.2
Visual quantity judgement	57	43.1 - 128.1
Auditory quantity judgement	58	58.9 - 135.3
Auditory attention	56	34.4 - 141.5
Visual attention	55	77.8 - 139.0
Counting	58	40.5 - 98.0
CBCL	56
CRS-R	55
IPDA	57	88 - 172
Hollingshead's Four Factor Index	54	12 - 63.5

Measures derived from BVN 5-11 have a range expressed in terms of Standard Score. CBCL and CRS-R do not have a reported range because many indexes can be calculated (see also Table 3). IPDA has a range expressed for the complete score. Hollingshead's Four Factor Index has a range expressed in terms of child's score for Socio-Economic Status.

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