Answer the following questions.

1)Describe the characteristics of a good screening test.

2) Describe reliability and identify the types of reliability. Provide examples.

3)Describe validity and identify the types of validity. Provide examples

4) Interpret these graphs:

Which set of symbols represents high validity?

Which set of symbols represents high reliability?

Which set of symbols represents low reliability?

5)What are sources of unreliability and invalidity? Provide examples.

6) Interpret this graph:

* * * A B C Reliable, Invalid Unreliable, Invalid Reliable, Valid FIGURE 11-3 Graphic representation of reliability and validity