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 score	103.62 (13.60)	84.5 (15.3)	,  , and
	Language score	101.92 (16.86)	86.8 (15.4)	,  , and
WPPSI; 30–47 months ()	Verbal IQ	103.61 (14.32)	90.32 (14.75)	,  , and
	Performance IQ	103.49 (14.94)	90.05 (15.44)	,  , and
	Full scale IQ	104.19 (14.36)	88.73 (14.73)	,  , and
	General Language Composite	103.59 (14.42)	91.14 (14.27)	,  , and
WPPSI; over 48 months ()	Verbal IQ	100.10 (13.44)	86.69 (17.16)	,  , and
	Performance IQ	100.11 (14.42)	79.93 (18.86)	,  , and
	Full scale IQ	99.55 (13.28)	82.27 (15.91)	,  , and
	General Language Composite	100.44 (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].