C_S_D 4020 Lecture Notes - Lecture 6: Neue Deutsche Welle, Language Disorder, Longitudinal Study
29 Jul 2016
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Document Summary
Ses accounts for about 40% of variability in vocabulary. Differences appear early: 2nd year of life: persist throughout school-age years into adolescence. How wide is the disparity: at age 3: equivalent to a difference of 13 months. Can be traced to differences in caregiver speech: caregiver language models. 30 million word gap : caregiver language models. Ses disparities entirely accounted for by maternal input: caregiver language models. Maternal use of sophisticated words (weizman & snow, 2001: caregiver language models. Followed children of 3 social classes from birth to age 3 (hart & Growth in ndw among toddlers (hoff, 2003) Ses disparities entirely accounted for by maternal input. Maternal use of sophisticated words (weizman & snow, 2001) Complexity of maternal speech related to ses (huttenlocher et al. , 2010) Structures in maternal speech predicted same structures in child: ses and vocabulary growth. Some studies show ses disparities that: are apparent at an early age remain the same into adolescence.
