A collection consists of several studies that are in some way connected. They can belong to the same research series, research infrastructure, or come from the same research expedition.
We also provide access to the special collections “Swedish party programmes and election manifestos” and the Swedish Gallup Institute's public opinion surveys from 1942 to 1956.
The MDC was started in the early 1990s as a screening survey in the middle-aged population of Malmö, the third largest city of Sweden. 28000 subjects living in Malmö were during 1991-1996 invited by letter and through p...