How many words does an average 6-year-old know?

When Wing phones her aunt in Taiwan she has to remember the long-distance code, a

country code, an area code, and then the local number. She manages to remember the 15 numbers involved by using a. short-term memory. b. consolidation. c. iconic memory. d. chunking. e. the recency effect.

Your family values education, but your younger brother is a very poor student and has always been a poor student. His global self-esteem is quite high. How can this be?

a. He is unaware that he is a poor student. b. He probably has a neurological injury. c. He probably does not really value the importance of education. d. He has had years of counseling to help his self-esteem.