共 11 条
[2]
CLAUSEN JA, 1947, J AM STATISTICAL ASS, V11, P497
[5]
LINSKY A, 1965, SOCIOLOGY SOCIAL RES, V49, P185
[7]
MAILED QUESTIONNAIRES IN LONGITUDINAL HEALTH STUDIES - THE PROBLEM OF MAINTAINING AND MAXIMIZING RESPONSE
[J].
JOURNAL OF HEALTH AND HUMAN BEHAVIOR,
1960, 1 (02)
:123-129
[8]
ROEHER AG, 1963, PUBLIC OPINION Q, V27, P299
[9]
RESEARCH ON MAIL SURVEYS
[J].
JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES A-GENERAL,
1961, 124 (02)
:143-195
[10]
SIMON R, 1967, J ADVERTISING RES, V7, P28