MAP20071504492 Assessing perceptions of synergistic health risk : a comparison of two scales / Sarah E. Hampson ... [et al.] Two approaches to measuring perceptions of synergistic risk were compared, one using the traditional Likert scale, the other using an anchored, relative scale. Perception of synergistic risk was defined as rating the combined hazard as more risky than each of its constituent single hazards. In a within-subjects design, a convenience sample from the community rated three hazard combinations and their constituents En: Risk analysis : an international journal. - New York and London : Society for Risk Analysis. - Vol. 23, nº 5, October, 2003 ; p. 1021-1029 1. Sinergia estratégica . 2. Valoración de riesgos . 3. Radón . 4. Percepción del riesgo . 5. Riesgo sanitario . I. Hampson, Sarah E. . II. Title.