"Parallel and Perpendicular Lines" is an important topic that serves as a basis for the learning of a more advanced geometric concept in later years. Yet, this topic is hard to master by the students. To pinpoint students' weaknesses in this topic, this study sought to develop a cognitive diagnostic assessment (CDA) to assess students'…

The Elementary School Success Profile (ESSP) is a multidimensional instrument for school-based practitioners that assesses the social environmental domains of neighborhood, school, friends, and family, as well as the well-being, behavior, and school performance of students in the third, fourth, and fifth grade. This article presents the…