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Daycare Effects on Preschool <br /> 14 <br /> Table 2 <br /> Mean IQ Scores across <br /> Preschool Years for 3 Groups* <br /> GROUP <br /> EXPERIMENTAL COMMUNITY <br /> 51 months 12-52 months 0-11 months <br /> of daycare of daycare of daycare <br /> (n=61) (n=41) (n=19) <br /> Bayley <br /> MD1 6m 107.4 (15.0) 102.5 (15.0) 100.0 (14.0) <br /> MD1 12m 113.0 (14.3) 106.1 (15.9) 104.3 (13.6) <br /> MD1 18m 110.1 (14.6) 94.7 (14.8) 91.5 (12.1) <br /> Stanford-Binet <br /> IQ 24m 97.2 (11.6) 87.6 (11.7) 82.8 (5.7) <br /> IQ 36m 101.9 (12.5) 91.2 (13.6) 81.3 (10.6) <br /> McCarthy <br /> GC1 42m 103.0 (10.2) 97.3 (13.2) 89.2 (8.9) <br /> Stanford-Binet <br /> IQ 48m 101.1 (11 .0) 94.0 (13.2) 84.2 (10.8) <br /> McCarthy 101 .4 (10.1) 95.7 (13.0) 86.5 (10.5) <br /> GC1 54m <br /> * Group standard deviations in parentheses <br />