The phrase "approved questionnaire" is correct and usable in written English.
It can be used when referring to a questionnaire that has received official approval for use, often in research or survey contexts.
Example: "Before we distribute the survey, we need to ensure that the approved questionnaire is ready for participants."
Alternatives: "validated questionnaire" or "authorized questionnaire".
The approved questionnaire is attached in Additional file 1.
A pre-designed and approved questionnaire used in a previous study [ 14] which includes medical history was answered for all participants with the help of their parents.
The PLC is an approved questionnaire with a satisfactory criterion validity that has been used in a number of studies on QoL in chronic diseases.
The core module of this approved questionnaire is composed of 40 Likert-scaled items (scale 0 4) with 0 representing minimum and 4 representing maximum satisfaction.
The amendment was the addition of an attractive front cover to the existing approved questionnaire in order to improve response rates.
The approved questionnaire was developed by three of the investigators (ZQL, MX and SLJ), based on previous research [ 12– 15] and the guidelines published by the AAGBI and ASRA [ 8, 10].
The first steps for identifying primary headache in patients afferent to AMPs included an accurate medical history, a short questionnaire (no approved questionnaires for headache in ERs are available) and physical examination.
The medical ethics committee of Leiden University Medical Center approved questionnaires and study.
10 The GPAQ was one of two approved questionnaires, although both have recently been replaced by a new GP patient survey introduced by the Department of Health in January 2009.
The 1996 questionnaire also reflected similarly liberal views on abortion and the death penalty — views that Obama would later moderate, claiming that he had never approved the questionnaire.
The Scientific Ethical Committee of the Danish counties of Funen and Vejle approved the questionnaire, and participants gave permission for use of their data through their survey responses.
