1. McGraw-Hill/IrwinCopyright © 2014 by The McGraw-Hill Companies, Inc. All rights reserved. MEASUREMENT Chapter 11

2. 11-2 Learning Objectives Understand... The distinction between measuring objects, properties, and indicants of properties. The similarities and differences between the four scale types used in measurement and when each is used. The criteria for evaluating good measurement.

3. 11-3 Measurement Select measurable phenomena Develop a set of mapping rules Apply the mapping rule to each phenomenon

4. 11-4 Characteristics of Measurement

5. 11-5 Types of Scales Ordinal interval Nominal Ratio

6. 11-6 Levels of Measurement Ordinal interval Ratio Nominal Classification

7. 11-7 Nominal Scales Mutually Exclusive Collectively Exhaustive Categories Classification Only

8. 11-8 Levels of Measurement interval Ratio Nominal Classification Ordinal Order Classification

9. 11-9 Ordinal Scales Nominal Scale Characteristics Order Implies greater than or less than

10. 11-10 Levels of Measurement Ordinal Ratio Nominal Classification Order Classification interval Order Classification Distance

11. 11-11 Interval Scales Ordinal Scale Characteristics Equality of interval Equality of distance between numbers

12. 11-12 Levels of Measurement Ordinal interval Nominal Classification Order Classification Order Classification Distance Ratio Order Classification Distance Natural Origin

13. 11-13 Ratio Scales Interval Scale Characteristics Absolute Zero

14. 11-14 Examples of Data Scales Rank – first, second, third

15. 11-15 From Investigative to Measurement Questions

16. 11-16 Sources of Error Respondent InstrumentMeasurer Situation

17. 11-17 Evaluating Measurement Tools Criteria Validity Practicality Reliability

18. 11-18 Key Terms Interval scale Mapping rules Measurement Nominal scale Objects Ordinal scale Practicality Properties Ratio scale Reliability Validity 11- 18