B. Explain the meaning of these phrases

1. to bring into play 7. glean clues

2. socio-economic status 8. untested stereotypes

3. an end in itself 9. psychological traits

4. informed in these ways 10. conclusive information

5. sources of information 11. crucial facts

become accessible 12. can be ascertained only indirectly

6. if unacquainted with the individual

C. According to the text:

1. What do people generally want to find out when they meet someone?

2. Why?

3. How do they find out this information?

4. How can people find out about another person's beliefs and attitudes?