Validating a questionnaire
Questionnaire Development: A questionnaire is a tool to obtain information from respondents.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.Select Primary Source in search options under Source Code.View individual records to see the source reference.Composing of a questionnaire is always much more complex than expected and great attention is required to its flow, format and length.Making an individual question is a tedious task and validating this questionnaire is another challenge which at times is over looked.Wording of questions is very critical and should take into consideration; appropriateness of the content, level of sophistication of language, type and form, sequence and how is data sought from the respondents.During questionnaire development its mode of administration should be kept in mind, whether it will be self-administered or interview based and its design and flow should be planned accordingly. The language of questionnaires should be at the level of understanding of the participants.
Questionnaire is one of the most important techniques to collect data.Find Test for a Variable Search by keyword in the Measure field Find Test Reviews Search by instrument name or acronym and select the Source Code: Review Source Find a Specific Test Search Instrument/Indices only or browse (click Browse link in the left navigation column) the Instrument/Indices database By Title or By Source Find Test for a Variable Search by keyword in Instrument/Indices only Find a Specific Test/Find Test for Variable Browse the list of instruments on the Instruments page; brief descriptions of the instruments and links to more information, including publisher, are includeddescribes more than 2,000 standardized English-language tests that assess personality, aptitude, achievement, intelligence, and other neuropsychological behavior. Find a Specific Test/Find Test for a Variable Browse by alphabetical list of instruments, generic instruments, disease, target population, author's name; OR use the Search Engine to select from available Criterion options.Only the descriptive material and reviews are available full-text. Copies of tests are not available from this site without a subscription.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.
These questionnaires do not need to be tested for reliability and results can be compared for different studies and also combined for meta- analysis.Consideration should be given accordingly on whether the questionnaire will measure quantitative or qualitative data, and what would be its mode of administration.