Survey practice -- Survey error -- Planning the survey : the hierarchy of decisions -- Data collection I : selecting a method -- Sampling I : concepts of representation and sample quality -- Sampling II : population definition and sampling frames -- Sampling III : sample size and sample design -- Questionnaire development I : measurement error and question writing -- Questionnaire development II : questionnaire structure -- Questionnaire development III : pretesting -- Data collection II : controlling error in data collection -- Postsurvey statistical adjustments and the methodology report.