ADVANCE LETTER IN MAIL SURVEYS

[1] RESPONSE PATTERNS TO MAIL SURVEYS [J]. JOURNAL OF MARKETING RESEARCH, 1966, 3 (04) : 392 - 397

[2] ERDOS PL, 1957, PRINTERS INK, V258, P56

[3] INCREASING THE RESPONSES TO MAIL QUESTIONNAIRES - A RESEARCH STUDY [J]. PUBLIC OPINION QUARTERLY, 1958, 22 (02) : 123 - 132

[4] INFLUENCE OF PRELIMINARY CONTACT ON MAIL RETURNS [J]. JOURNAL OF MARKETING RESEARCH, 1966, 3 (04) : 410 - 411

[5] Waisanen FB., 1954, PUBLIC OPIN Q, V18, P210

[6] MONETARY INDUCEMENTS AND MAIL QUESTIONNAIRE RESPONSE [J]. JOURNAL OF MARKETING RESEARCH, 1966, 3 (04) : 398 - 400

[1] RESPONSE PATTERNS TO MAIL SURVEYS [J]. JOURNAL OF MARKETING RESEARCH, 1966, 3 (04) : 392 - 397

[2] ERDOS PL, 1957, PRINTERS INK, V258, P56

[3] INCREASING THE RESPONSES TO MAIL QUESTIONNAIRES - A RESEARCH STUDY [J]. PUBLIC OPINION QUARTERLY, 1958, 22 (02) : 123 - 132

[4] INFLUENCE OF PRELIMINARY CONTACT ON MAIL RETURNS [J]. JOURNAL OF MARKETING RESEARCH, 1966, 3 (04) : 410 - 411

[5] Waisanen FB., 1954, PUBLIC OPIN Q, V18, P210

[6] MONETARY INDUCEMENTS AND MAIL QUESTIONNAIRE RESPONSE [J]. JOURNAL OF MARKETING RESEARCH, 1966, 3 (04) : 398 - 400