Measuring productive vocabulary of toddlers in low-income families: concurrent and predictive validity of three sources of data
TAMIS-LEMONDA, CATHERINENote: Order does not necessarily reflect citation order of authors.
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CitationPAN, BARBARA A., MEREDITH L. ROWE, ELIZABETH SPIER, and CATHERINE TAMIS-LEMONDA. 2004. “Measuring Productive Vocabulary of Toddlers in Low-Income Families: Concurrent and Predictive Validity of Three Sources of Data.” Journal of Child Language 31 (3): 587–608.
AbstractThis study examined parental report as a source of information about
toddlers’ productive vocabulary in 105 low-income families living
in either urban or rural communities. Parental report using the
MacArthur Communicative Development Inventory – Short Form
(CDI) at child age 2;0 was compared to concurrent spontaneous speech
measures and standardized language assessments, and the utility of each
source of data for predicting receptive vocabulary at age 3;0 (Peabody
Picture Vocabulary Test) was evaluated. Relations between language
measures of interest and background variables such as maternal age,
education, and race/ethnicity were also considered. Results showed that
for the sample as a whole, parental report was moderately associated
with other language measures at age 2;0 and accounted for unique variance in PPVT at age 3;0, controlling for child language skills
derived from a standard cognitive assessment. However, predictive
validity differed by community, being stronger in the rural than in
the urban community. Implications of significant differences in background
characteristics of mothers in the two sites are discussed.
Citable link to this pagehttp://nrs.harvard.edu/urn-3:HUL.InstRepos:13041220
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