共 11 条
- [4] EXPERIMENTAL STUDY OF PAYMENTS TO RESPONDENTS [J]. PUBLIC OPINION QUARTERLY, 1970, 34 (04) : 621 - +
- [5] ERDOS PL, 1970, PROFESSIONAL MAIL SU, P99
- [6] DOLLARS, DISSONANCE, AND SURVEY RETURNS [J]. PUBLIC OPINION QUARTERLY, 1973, 37 (02) : 276 - 281
- [9] NEWMAN SW, 1962, J ADVERTISING RES, V2, P27