The Scientific World Journal / 2016 / Article / Tab 2

Research Article

Challenges of Assessing Maltreated Children Coming into Foster Care

Table 2

Comparison of our sample to normative samples on measures of cognition and language.

Mean scores (SD)-test
Normative sample Current sample

Bayley
6–29 months ()
Cognitive score103.62 (13.60)84.5 (15.3),  , and
Language score101.92 (16.86)86.8 (15.4),  , and

WPPSI
30–47 months ()
Verbal IQ103.61 (14.32)90.32 (14.75),  , and
Performance IQ103.49 (14.94)90.05 (15.44),  , and
Full scale IQ104.19 (14.36)88.73 (14.73),  , and
General Language Composite103.59 (14.42)91.14 (14.27),  , and

WPPSI
over 48 months ()
Verbal IQ100.10 (13.44)86.69 (17.16),  , and
Performance IQ100.11 (14.42)79.93 (18.86),  , and
Full scale IQ99.55 (13.28)82.27 (15.91),  , and
General Language Composite100.44 (13.93)84.42 (14.67),  , and

Normative data from assessment manuals.
(i) WPPSI III administration and scoring manual, Wechsler, 2003 [37].
(ii) Bayley Scales of Infant and Toddler Developmental Third Edition, Bayley, 2006 [23].