Hits 1-2 within 2 documents
Are Readability Formulas Valid Tools for Assessing Survey Question Difficulty? [journal article]
Source: Sociological Methods & Research, 43 (2014) 4. p.677-698
Pretesting - Verfahren zur Evaluation von Fragebogen(entwürfen) [journal article]
Source: GWP - Gesellschaft. Wirtschaft. Politik, 64 (2015) 4. p.515-525