Validating a questionnaire


The researchers always wish to know if the measurement tool employed actually measures the intended research concept or construct (is it valid? ) or if the measurement tools used to quantify the variables provide stable or consistent responses (is it reliable? This has been adduced to the dearth of skills and knowledge of validity and reliability test analysis among social and health science researchers.

This paper summarizes a stream of research aimed at developing and validating a measure of employee commitment to work organizations.

When necessary, the PCL-5 can be scored to provide a provisional PTSD diagnosis. The Posttraumatic Stress Disorder Checklist for , 489-498.

Several important revisions were made to the PCL in updating it for The PCL-5 is a self-report measure that can be completed by patients in a waiting room prior to a session or by participants as part of a research study. The PCL-5 can be administered in one of three formats: Characteristics of a respondent's setting should be considered when using PCL severity scores to make a provisional diagnosis. A lower cut-point score should be considered when screening or when it is desirable to maximize detection of possible cases.

In addition, cross-validated evidence of acceptable levels of predictive, convergent, and discriminant validity emerged for the instrument.

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Psychometric properties of the PTSD Checklist for Diagnostic and Statistical Manual of Mental Disorders-Fifth Edition (PCL-5) in Veterans.

The instrument, developed by Porter and his colleagues, is called the Organizational Commitment Questionnaire (OCQ).

Based on a series of studies among 2563 employees in nine divergent organizations, satisfactory test-retest reliabilities and internal consistency reliabilities were found.

Additional information concerning the measures reported and the analyses performed are discussed in this report and can be obtained from the senior author.

Support for the preparation of this manuscript and for many of the studies reported herein was provided by the Office of Naval Research, Contracts N00014-69-A-0200-9001, NR 151-315 and N00014-76-C-0164, NR 170-812.

A higher cut-point score should be considered when attempting to make a provisional diagnosis or to minimize false positives.

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