For the purpose of this study, socio-economic status was defined as the number of years
of education completed by the child’s parents (e.g. Terrisse et al, 1998). Every child had
9
information about the mothers’ educational level, but not about the fathers’. Thus, the
information about the mothers was used with regard to the number of education in years.
Moreover, due to missing data, mean replacement was used for two of the Lab School mothers’
education in years. Prior to data collection, it was assumed that the Head Start children’s mothers
would have less education than the Lab School children’s moms. This assumption was verified
through one-way ANOVA (see Table 1).
For the purpose of this study, socio-economic status was defined as the number of yearsof education completed by the child’s parents (e.g. Terrisse et al, 1998). Every child had 9information about the mothers’ educational level, but not about the fathers’. Thus, theinformation about the mothers was used with regard to the number of education in years.Moreover, due to missing data, mean replacement was used for two of the Lab School mothers’education in years. Prior to data collection, it was assumed that the Head Start children’s motherswould have less education than the Lab School children’s moms. This assumption was verifiedthrough one-way ANOVA (see Table 1).
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