Respondents were asked how worried they were about various environmental and social issues; responses were given on a five-point scale ranging from ‘not at all worried’ to ‘extremely worried’.
Gofynnwyd i'r ymatebwyr pa mor bryderus yr oeddent am wahanol faterion amgylcheddol a chymdeithasol; rhoddwyd ymatebion ar raddfa pum pwynt yn amrywio o 'ddim yn poeni o gwbl' i 'pryderus iawn’.