Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Percentage of correctly answered dialog questions plotted against the individual performance on the Mill Hill vocabulary test after the contribution of reading comprehension to performance had been removed. Both the adjusted number of questions answered and the Mill Hill scores are centered within each group. A least squares regressions line is presented for each of the two types of location.
