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Qian, Jiahe; Li, Shuhong – ETS Research Report Series, 2021
In recent years, harmonic regression models have been applied to implement quality control for educational assessment data consisting of multiple administrations and displaying seasonality. As with other types of regression models, it is imperative that model adequacy checking and model fit be appropriately conducted. However, there has been no…
Descriptors: Models, Regression (Statistics), Language Tests, Quality Control
OECD Publishing, 2025
The OECD's Survey on Social and Emotional Skills (SSES) 2023 represents the largest global initiative to gather comparable data on the development of social and emotional skills among 10- and 15-year-old students. In the 2023 cycle of SSES, 16 sites implemented an assessment of students' social and emotional skills and collected contextual…
Descriptors: Social Development, Emotional Development, Interpersonal Competence, Surveys