Part of the province of Noord-Holland, the development of a plan for this region / opinions on participation in general and in relation to the planning procedures / the expected influence of participation / opinions on information and publicity about the planning / living conditions in the area / the value of the investigation at issue / attitude towards local and provincial government, towards the regional plans / activities of members of the regional committee and the participation groups / how they got involved and how they functioned / contacts with other people about the planning / expectations and motivations / related activities and channels of information Background variables: basic characteristics/ residence/ place of work/ occupation/employment/ education/ politics/ religion/ readership, mass media, and 'cultural' exposure/ organizational membership