Appendix C

The content in this publication was current at the time it was published, but it is not being updated. The publication is provided for historical purposes only.

Table 1. PKU vs Unaffected Control Participants on Various Outcomes

Note. N=number of effect sizes. Ratings=ratings of general behavior by parents/teachers, and self-concept. A positive effect size reflects a result in which the PKU group performed more poorly than the control group, on average.

Outcome	N	M d	95% Confidence Interval
IQ	63	0.3819	0.2799 to 0.4839
FSIQ	32	0.4258	0.2657 to 0.5859
VIQ	12	0.3230	0.0754 to 0.5706
PIQ	13	0.4401	0.1712 to 0.7090
Executive functions	37	0.4683	0.2316 to 0.7049
Inhibition and flexibility	31	0.3421	0.0902 to 0.5940
Attention	31	0.6575	0.4339 to 0.8811
Sustained and selective	22	0.6345	0.2993 to 0.9697
Behavior	131	0.1299	0.0666 to 0.1932
Ratings	85	0.1599	0.0794 to 0.2403
Psychological disorders	45	0.0735	-0.0333 to 0.1804
Other cognitive and motor skills	105	0.5033	0.3707 to 0.6360
Memory	6	0.3634	-0.2898 to 1.0167
Visual-spatial	18	1.3443	0.8540 to 1.8346
Motor	49	0.3656	0.2754 to 0.4557
Speed of processing	28	0.5293	0.0644 to 0.9943

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