Hits 1-3 within 3 documents
Magnitude-Messung in Umfragen: Kontexteffekte und Methode [journal article]
Source: ZUMA Nachrichten, 4 (1980) 6. p.4-40
The Optimism-Pessimism Short Scale-2 (SOP2): a comprehensive validation of the English-language adaptation [journal article]
Source: Measurement Instruments for the Social Sciences, 4 (2022). p.1-14