Learning Objectives
1. Define and distinguish conceptualization and operationalization
2. Identify the different forms of single questions and response choices
3. Explain the rationale for creating multi-item indexes and discuss the issues related to indexes
4. Give examples of the four levels of measurement
5. Define the individual and group units of analysis and the ecological and reductionist fallacies
6. Compare the advantages and disadvantages of the four approaches to testing measurement validity
7. Define measurement reliability