Few of the publications of pre-election poll results include information considered as necessary by the professional standards for disclosure (AAPOR 2010, similar: ICC/ESOMAR 2008): information on sponsor and surveying institute, the exact phrasing of questions and response categories, details on the sampling frame and problems of coverage, mode of sampling, sample size, standard error, type of weighting, design effects, instructions to the interviewers, notification letters, screening procedures, incentives, detailed information on response rates as defined by AAPOR, interviewer training and interviewer workload and assignment.