Hints on Quiz 6, Scales & Indexes

1. True or False? An index is a device that reaches the interval level of measurement.

2. What are the advantages of using scales over single-item measures?

3. When two items correlate nearly perfectly with one another, what should you do?

4. What does discriminatory power (DP) mean?

5. Is (acquiescence) response set something you want to maximize or minimize?

6. Reproducibility is associated with what type of scale?

7. Interval level of measurement is associated with what type of scale?

8. When respondents don't answer all of the items in a index/scale, this is the problem of missing data. How do researchers deal with missing data?

REMEMBER TO READ CHAPTER7 ON SURVEY RESEARCH AND BE PREPARED FOR THE QUIZ ON THIS. .