Produkt mají v nabídce:
Meaningful Differences in the Everyday Experience of Young American Children - Hart, Betty a Risley, Todd R.
Tells the story of the landmark research study that uncovered the widely cited "word gap" between children from low-income homes and their more economically advantaged peers. This groundbreaking research has spurred hundreds of studies and programs, including the White House's Bridging the Word Gap campaign
