A meta-analysis on grit demonstrated that grit was highly confounded with

In the United States, the term "mental retardation" has been replaced by the term "intellectual disability" by

a. law. b. some psychologists. c. DSM-5 only. d. all citizens for the last three decades.

The in-depth section in Chapter 10 examined a study by Flege and his colleagues (1999), concerning the pronunciation skills of people who had emigrated from Korea to the United States. According to this research,

a. people who had come to the United States during childhood were least likely to speak English with an accent. b. people who had come to the United States during adolescence were least likely to speak English with an accent. c. people who had come to the United States during adulthood were least likely to speak English with an accent. d. age of arrival had no effect on pronunciation skills, though it had a significant effect on the mastery of grammar.