<span>A child says, "Kitty walk," and the parent answers, "Yes, the kitty is walking." this is an example of expanding.
</span>Expanding in terms of talking to the child<span> , will help the child to </span>expand<span> vocabulary, to develop background knowledge, and inspire a curiosity about the world.</span>
<span>input becomes quicker with age, and cognitive processing advances. </span>
b. Immigrants scoring low on IQ tests usually did so because of a lack of familiarity with the English language.
