Parent data was collected via a short, self-administered questionnaire at the first wave.

The women completed a self-administered questionnaire and participated in a telephone interview.

PRO data may be collected via self-administered questionnaires completed by the patient themselves or via interviews.

They offer capabilities beyond those available for any other type of self-administered questionnaire.

In this case, the data is collected by an interviewer rather than through a self-administered questionnaire.

For each cross-sectional survey, students completed anonymous, self-administered questionnaires that included identically worded questions on sexual risk behaviors and violence.

This is a short self-administered questionnaire containing weighted items which express lay perceptions of discomfort and distress.

Study participants voluntarily completed an 8-page self-administered questionnaire on fish consumption habits and select sociodemographic characteristics.

Data collection Data were collected from two sources - mailed self-administered questionnaires and hospital delivery records.

The study surveyed 116 colleges in 39 states, using self-administered questionnaires sent in anonymously by mail.