Hits 1-3 within 3 documents
Incentives for survey participation: research on intended and unintended consequences ; second annual Wildenmann lecture [journal article]
Source: ZUMA Nachrichten, 22 (1998) 42. p.7-29
Hits 1-3 within 3 documents
Author(s): Singer, Eleanor
Source: ZUMA Nachrichten, 22 (1998) 42. p.7-29
Author(s): Porst, Rolf; Ranft, Sabine; Ruoff, Bernd.- 1998. 25p.
Author(s): Porst, Rolf; Briel, Christa von.- 1995. 17p.