Attitudes of Dutch and foreign visitors to Dutch museums, before and after the national promotion campaign of Dutch museums in 1988. Reason(s) for visiting museums / frequency of visiting museums / visiting various categories of museums / preferred type of museum / spending money in museum restaurant and-or museum shop / how respondent gets information about collections and exhibitions / whether respondent heard from the promotion campaign 'Nederland museumland 1988', and the organizations involved / how respondents attention was drawn to the promotion campaign / increase of museum visits and-or visits to different types of museums, due to the promotion campaign / whether respondent is visiting the museum alone or accompanied by others / amount of time spent in museum / respondents opinion about opening hours, parking facilities, guided tours, catalogues, restaurant, library etc. / entrance fee / respondents general satisfaction about the museum / frequency of other cultural activities. Background variables: basic characteristics/ occupation/employment/ education/ readership, mass media, and 'cultural' exposure