The Practice of Research in Criminology and Criminal Justice
Seventh Edition
Learning Objectives
- Define and distinguish between conceptualization, operationalization, and an indicator.
- Identify the different forms of single questions and response choices.
- Explain the rationale for creating multi-item indexes, and discuss the issues that should always be explored about indexes.
- Give examples of the four levels of measurement.
- Compare the advantages and disadvantages of the four approaches to testing the validity of measures.
- Define four basic methods of evaluating reliability.
- Understand the difference between measurement validity and reliability.