CAN THE MAIL-BACK BIAS CONTRIBUTE TO A STUDYS VALIDITY

[11] Sharp H, 1955, AM SOCIOL REV, V20, P718

[12] SHUTTLEWORTH FK, 1940, PSYCHOL BULL, V37, P437

[13] NOTES ON THE VALIDITY OF MAIL QUESTIONNAIRE RETURNS [J]. JOURNAL OF APPLIED PSYCHOLOGY, 1939, 23 (01) : 95 - 104

[14] IV. General Research Techniques WHO ANSWERS QUESTIONNAIRES? [J]. JOURNAL OF APPLIED PSYCHOLOGY, 1940, 24 (06) : 758 - 769

[11] Sharp H, 1955, AM SOCIOL REV, V20, P718

[12] SHUTTLEWORTH FK, 1940, PSYCHOL BULL, V37, P437

[13] NOTES ON THE VALIDITY OF MAIL QUESTIONNAIRE RETURNS [J]. JOURNAL OF APPLIED PSYCHOLOGY, 1939, 23 (01) : 95 - 104

[14] IV. General Research Techniques WHO ANSWERS QUESTIONNAIRES? [J]. JOURNAL OF APPLIED PSYCHOLOGY, 1940, 24 (06) : 758 - 769