The usefulness of the Basic Question Procedure for determining non-response bias in substantive variables – a test of four telephone questionnaires
Henk van Goor and Annemiek van GoorUniversity of Groningen
Non-response bias endangers the...
The usefulness of the Basic Question - procedure for determining nonresponse bias in substantive variables: a test of four telephone questionnaires
The Basic Question Procedure (BQP) is a method for determining non-response bias. The BQP involves asking one basic question – that is, the question relating to the central substantive variable of the study – of those persons who refuse to
participate in the survey.
