This study explores how a group of nine year olds in Korea form historical inferences using pictures of historical paintings. It investigates whether they have the ability to form plausible inferences about the lives of people depicted in these pictures, what they can infer about the lives of people depicted in the pictures using prior knowledge,…

Researchers are aware that grouping students by prior knowledge may result in moderate gains in intermediate grade students' mathematics achievement. Despite this research, many teachers continue to teach the way they were taught: one curriculum for all students regardless of students' readiness. Additionally, researchers have raised concerns…