Feasibility, reliability, and clinical validity of the Test of Attentional Performance for Children (KiTAP) in Fragile X syndrome (FXS)

Table 4 Correlation of KiTAP measures showing acceptable feasibility, reproducibility, range and distribution with behavioral assessments on ABC-C and BASC-2 in the FXS cohort.

	Alertness RT		Distractibility errors, median	Go/Nogo errors RT		Flexibility errors RT		Vigilance RT
	Median	SD	Median	Median	SD	Median	SD	Median
ABC-C
Irritability	0.28	0.01	0.46*	-0.03	0.11	-0.30	0.41*	0.38
Lethargy	0.16	0.43*	0.06	0.06	-0.19	-0.10	0.21	0.04
Stereotypy	0.21	0.28	0.35	-0.03	0.01	-0.26	0.34*	0.60**
Hyperactivity	0.49**	0.38*	0.41*	0.33*	0.08	-0.14	0.26	0.30
Inappropriate Speech	0.35*	0.26	0.51**	-0.07	0.11	-0.23	0.29	0.64**
BASC-2-2
Hyperactivity	0.16	0.34*	0.26	0.36*	0.07	0.20	-0.34*	0.05
Attention Problems	0.27	0.25	0.41*	0.08	-0.17	0.47**	-0.04	0.24
Adaptability	-0.41*	-0.42*	-0.40*	-0.06	-0.24	-0.34*	-0.22	-0.38
Subjects for correlations (ABC-C/BASC-2), n	27/25	27/25	23/22	26/24	26/24	27/25	27/25	18/17

^aAbbreviations: ABC-C, Aberrant Behavior Checklist-Community Edition; BASC-2, Behavior Assessment System for Children, Second Edition; FXS, Fragile X syndrome; KiTAP, Test of Attentional Performance for Children; RT, reaction time; SD, standard deviation
*P < 0.05, **P < 0.01.

ISSN: 1866-1955