This module introduces another form of dynamic assessment: fast mapping. Research has shown that standardized vocabulary tests and lexical diversity measures differentiate socio-economic classes rather than semantic knowledge, and therefore promotes the use of fast mapping to measure semantic knowledge. Fast mapping with a typically developing child is demonstrated in this video.
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Horton-Ikard, R., & Weismer, S. E. (2007). A preliminary examination of vocabulary and word learning in African American toddlers from middle and low socioeconomic status homes. American Journal of Speech-Language Pathology, 16(4), 381-392.