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. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: Learn Individ Differ. 2013 Feb 8;26:177–184. doi: 10.1016/j.lindif.2013.01.008

Table 5.

Cross-tabulation of age 8 oral language status, age 2 word combining report, and mother's educational attainment for African American participants, with number of participants in each cell.

Age 8 language

Mother's education Word combining at 2? Typical Weaka
High school or below Not yet 6 5
Some 10 6
Often 11 5
Some college or above Not yet 3 2
Some 17 2
Often 9 0
a

Children with weak oral language at age 8 scored 1 SD or more below the mean on at least 2 of 4 oral language measures, or 2 SD or more below the mean on 1 oral language measure (Cohen et al., 1993).Table 6