Amazon Mechanical Turk (MTurk) is a crowdsourcing website that has become a popular participant recruitment tool in social science research. MTurk provides access to a large, diverse, and inexpensive pool of willing participants, and the unique clinical characteristics of MTurk participants may be of particular interest to rehabilitation…

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…

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…

Although International Association for the Evaluation of Educational Achievement-pioneered international large-scale assessment (ILSA) of education is now a well-established science, non-practitioners and many users often substantially misunderstand how large-scale assessments are conducted, what questions and challenges they are designed to…