Explored sensitizing effects of pretreatment assessment on posttreatment chemotherapy nausea and vomiting and interactive effects of personal dispositions for information seeking. Oncology patients rated side effects experienced previously (experimental condition), or parking conditions (control). Posttreatment, nausea of experimentals was significantly more severe. Monitoring coping style related to more and longer nausea episodes than did blunting coping style. (Author/KS)