By age 6, the average child has a vocabulary of around __________ words

Alex is standing in line at Wal-Mart waiting to pay for his purchases. A man cuts in front of the line and drops his items on the counter. Alex says to his friend, "That man is incredibly rude."

A social psychologist who is within earshot jots down a note so she can use the example in class. What does she write concerning Alex? a) He made an external attribution. b) He made an internal attribution. c) His remark is based on a stereotype. d) His remark is reflects cognitive dissonance.

By ________, all the primary teeth are in place and the permanent teeth are developing.

A. 6 years B. 7 years C. 8 years D. 3 years