Table 3 Results of repeated-measures ANOVAs, with time point (adolescent and young adult) (twofold) as within-subject independent variable, and sex and group as between-subject factors, covarying for subjects’ ages at both time points and for their socioeconomic status (significant main effects and interactions are highlighted in bold type)
TestMain effect/interactionFdfp ValuePartial eta squared
Full scale IQGroup10.8921,1080.0010.092
Sex0.2161,1080.6430.002
Time1.4021,1080.2390.013
Time × group0.0901,1080.7650.001
Time × sex5.5231,1080.0210.049
Group × sex3.151,1080.0790.028
Time × group × sex0.8441,1080.3600.008
Verbal IQGroup9.6611,1150.0020.077
Sex0.4971,1150.4820.004
Time0.0611,1150.8060.001
Time × group0.2961,1150.5880.003
Time × sex4.4831,1150.0360.038
Group × sex1.801,1150.1830.015
Time × group × sex0.0041,1150.9470.000
Performance IQGroup5.5811,1150.0200.047
Sex0.5071,1120.4780.005
Time1.0741,1120.3020.009
Time × group0.8051,1120.3710.007
Time × sex1.7211,1120.1920.015
Group × sex3.071,1120.0820.027
Time × group × sex0.8341,1120.3630.007
Semantic verbal fluencyGroup1.0451,1120.3090.010
Sex0.1761,1120.6760.002
Time0.2431,1070.6230.002
Time × group8.9481,1070.0030.077
Time × sex2.2071,1070.1400.020
Group × sex1.591,1070.2100.015
Time × group × sex0.0771,1070.7810.001
Phonological fluencyGroup6.9121,1160.0100.056
Sex0.0041,1160.9530.000
Time0.2411,1160.6240.002
Time × group1.1181,1160.2930.010
Time × sex0.8491,1160.3590.007
Group × sex0.8601,1160.3560.007
Time × group × sex0.1431,1160.7060.001
  • Main effects were tested using models that did not include the interactions.