A new study reveals that four-to-seven-year-old children rely on the sounds of new nouns more than on their meaning when assigning them to noun classes, even though the meaning is more predictive of noun class in the adult language. This finding reveals that children’s sensitivity to their linguistic environment does not line up with objective measures of informativity, highlighting the active role that children play in selecting the data from which they learn language. The study, “Statistical Insensitivity in the Acquisition of Tsez Noun Classes,” was published in the March, 2014 issue of the scholarly journal Language. Read the LSA News Release