Page 17 - A Step-By-Step Guide to Questionnaire Validation Research

language from that of the original questionnaire. This

means that it is wasteful to conduct a research study by

using a questionnaire that has merely been translated into

a different language but has not yet been properly

validated because the responses elicited from the

respondents will not be valid, which have arisen from the

fact that the translated version of the questionnaire has

not undergone the proper validation process.

1.1 Why validation of an existing questionnaire is of a

higher priority than the original development of a

new questionnaire?

Researchers may be interested in comparing their

findings across different ethnic groups or countries. Say,

for example, a study aims to compare the quality of life

among kidney failure patients across different countries.

Ideally, it is necessary to administer the same