Validating questionnaire process

Posted by / 19-Jan-2018 14:24

Validating questionnaire process

They also found that a third of the studies reviewed did not report procedures for establishing validity (31%) or reliability (33%).

Development of a valid and reliable questionnaire is a must to reduce measurement error.

The questionnaire was tested on a pilot group of patients. One-hundred-and-forty consecutive patients attending the out-patient clinic for the first time and fifty healthy controls selected randomly participated in the study.

Diagnosis was based on detailed clinical and laboratory evaluation.The final questionnaire consists of 29 items and the psychometrics indicated that it is valid and reliable.DOI: Global Journal of Health Science ISSN 1916-9736(Print) ISSN 1916-9744(Online)Copyright © Canadian Center of Science and Education To make sure that you can receive messages from us, please add the 'ccsenet.org' domain to your e-mail 'safe list'.This article describes the process for developing and testing questionnaires and posits five sequential steps involved in developing and testing a questionnaire: research background, questionnaire conceptualization, format and data analysis, and establishing validity and reliability.Systematic development of questionnaires is a must to reduce many measurement errors.

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However, no validated tool exists to measure participants’ perspectives on ACP.

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