Although mothers were not the primary caregivers in this group, they
still had a continuous impact on their children, possibly compensating
at home for what they might expect to be deficits in stimulation in a
group context. In the ‘continuous centre-based care’ group, early
maternal stimulation at 18 months had both concurrent and
longitudinal impact on child outcomes; however, the impact of
maternal stimulation disappeared when children reached 3 years old