The Parents' Evaluation of Developmental Status (PEDS), PEDS: Developmental Milestones (PEDS: DM) and PEDS tools (i.e., the PEDS and PEDS:DM combined for use) are parent-reported screening tools frequently used to identify young children requiring early intervention. An ideal screening tool for all contexts would be brief, inexpensive with…

Education, science, and technology disciplines are closely and extensively connected in all formats and levels. The outbreak of COVID-19 has further squeezed this interconnection where the delivery of education in different scientific fields of studies at all education levels is almost impossible without the presence of technology. Today, there is…

A critical assumption in cross-cultural comparative research is that the instrument measures the same construct(s) in exactly the same way across all groups (i.e., the instrument is measurement and structurally equivalent). Structural equation modeling (SEM) procedures are commonly used in testing these assumptions of multigroup equivalence.…

In this study, we examined the presence of differential item functioning (DIF) among groups of students who were tested in their native language or in a different language when participating in the 1999 Trends in International Mathematics and Science Study. Data from 18,837 examinees from three countries (Singapore, United States, and Iran) were…

The first volume of the 29th annual conference of the International Group for the Psychology of Mathematics Education contains plenary lecture and research forum papers as listed below. Short oral communications papers, poster presentations, brief summaries of discussion groups, and working sessions are also included in the volume. The plenary…