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Filters: Author is Barbel Knauper [Clear All Filters]
Question Difficulty and Respondents' Cognitive Ability: The Impact on Data Quality. Journal of Official Statistics. 1997;13(2):181-199..
Cognitive Performance Measures in Survey Research on Older Adults. In: Cognition, Aging, and Self Reports. Cognition, Aging, and Self Reports. Philadelphia: Psychology Press; 1999..