KAHNEREL Focusing illusion in the context of romantic relationships

Data and materials (Qualtrics project) for the paper "Relationship Satisfaction Predicts Life Satisfaction Independent of Questionnaire Order: A Preregistered Test of the Focusing Illusion". The purpose of this study is to examine the relationship between romantic relationship satisfaction and the life satisfaction, considering the impact of the focusing illusion effect. The CC BY 4.0 license applies to the data, codebook, and analysis files. The standardized questionnaires contained in KAHNEREL.qsf remain under the copyright of their authors and are not covered by this license. Data collection: 2025-06-19 to 2025-06-23