Steps in validating a questionnaire Free big girls chat lines with no credit card
It is an efficient way to collect data, the investigator should be certain on what is required and how to measure the variables of interest.
As a first step it is always recommended to do a literature search on previously used validated questionnaires that can be administered in similar settings and capture variables that are of interest according to the study hypothesis.
A questionnaire undergoes a validation procedure to make sure that it accurately measures what it aims to do, regardless of the responder.
It is a common experience that many studies focus on similar objective and theme but have entirely different questionnaires.Translation is not a mechanical work and should not be done on word to word bases across languages.It is important to understand the local context, specific issues and cultural meanings which language carries.Translation back to the source language is done by another translator who is unaware of the source language version.Validity: Validity is the degree to which an assessment measures what it is supposed to measure.