The specified file temporary://fileIKmY8v could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://filexXECHM could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://fileOyV5gM could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://fileB3hPqa could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://file8pcwBU could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://filemw4gjW could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://filevD5vdX could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://filebL9j3M could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://fileg16VWG could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://fileXGBiHs could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://fileZcNYJ0 could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
The specified file temporary://file2z09uO could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.
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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.

The Practice of Research in Criminology and Criminal Justice

Student Resources

Learning Objectives