Is There an Estimation Bias in Occupational Health and Safety Surveys? The Mode of Administration and Informants as a Source of Error. - Fondevila-McDonald, Yvonne; Molinero-Ruiz, Emília; Vergara-Duarte, Montse; Guillén, Montserrat; Ollé-Espluga, Laia; Menéndez, María; Benach, Joan (Sociological Methods & Research, 2019)