IATROGENIC CONFUSION IN READERSHIP SURVEYS
Symposium: 1993: San Francisco, Session 5 - Model bias, readers per copy and other issues
Authors: Heimann, Claude A
Organisations: Totum Audits & Surveys Inc.
Topics: Questionnaire Design
EFFECT OF NON-RESPONSE ON AUDIENCE LEVELS
Symposium: 1983: Montreal, Session 5 - Technical issues: title recognition, screens and filters, and bias
Authors: Heimann, Claude A
Organisations: Reader's Digest Association
Topics: Response Rates