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Full-Text Articles in Quantitative, Qualitative, Comparative, and Historical Methodologies
Seam Effects Changes Due To Modifications In Question Wording And Data Collection Strategies. A Comparison Of Conventional Questionnaire And Event History Calendar Seam Effects In The Psid, Mario Callegaro
Survey Research and Methodology (SRAM) Program: Dissertations and Theses
A seam effect occurs in panel studies when within-wave changes are less frequent than between-wave changes (comparing data gathered from two different interviews). This study explores the changes in the magnitude of seam effects among labor force states (employment, unemployment, not in labor force) using the last seven waves of the Panel Study of Income Dynamics collected between 1995 and 2005. The panel underwent several changes: data were collected with conventional questionnaires (CQ) until 2001. The interval between waves was changed from one year to two years in 1997. The data regarding labor force transitions were collected with Event History …