Recreational importance of the national park "de Hoge Veluwe". R's nationality, residence / distance from ( temporary ) residence / frequency of visiting "de Hoge Veluwe" and in which season / duration of stay / visited areas and facilities, recreational activities / means of transport / reason for not visiting the museum "Kroeller-Mueller" / attractiveness and quality of the various facilities / characteristics of nature and landscape / entry-price / whether r saw wild animals / use of "white" bicycles / visiting the "visiter's centre" / satisfaction about museum "Kroeller-Mueller" / frequency of visiting other museums.Background variables: organizational membership