READERSHIP AND SURVEY NON-RESPONSE
Symposium: 1993: San Francisco, Session 6 - Survey and media effects
Authors: Smart, John, Vorster, Hans
Organisations: Applied Marketing Statistics, Totum Audits & Surveys Inc.
Topics: Response Rates
VISUAL AIDS AND QUESTION SEQUENCE – A 3X3 TEST
Symposium: 1991: Hong Kong, Session 3 - Technical Issues
Authors: Vorster, Hans
Organisations: Totum Audits & Surveys Inc.
Topics: Questionnaire Design
ARE ALL THOSE CALL-BACKS REALLY NECESSARY?
Symposium: 1985: Salzburg, Session 4 - Technical Issues (Part 2)
Authors: Frankel, Lester R, Vorster, Hans
Organisations: RSMB Audience Research Ltd, Totum Audits & Surveys Inc.
Topics: Response Rates
COMPARING READERSHIP TECHNIQUES IN A SINGLE SOURCE DATA BASE
Symposium: 1985: Salzburg, Session 2 - Validity and Reliabiility
Authors: Vorster, Hans
Organisations: Totum Audits & Surveys Inc.
Topics: Readership Model
Canada – the print measurement bureau
Symposium: 1981: New Orleans, Session 1 - Current Practices across the world
Authors: Vorster, Hans
Organisations: Comac Communications
Topics: Survey Descriptions