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

Cardinal traits are _____, whereas central traits are _____

a) overarching characteristics that describe a person to the point that the person is known for that particular trait; those generally mentioned when writing a letter or recommendation. b) described as one's degree of responsibility; described as one's flexibility in thinking. c) characteristics possessed by all but in different degrees; observable qualities of a personality. d) often not-so-obvious characteristics unless one has an opportunity to get to know the person; overarching characteristics that describe a person upon first meeting him/her.

Public safety officials want to increase the use of seat belts among drivers, and have decided to show a television ad documenting the rising use of seat belts among drivers. This represents the use of ________ norms to change safety behaviors

a. descriptive b. injunctive c. conjunctive d. proscriptive