The development of math reasoning and 3-d mental rotation skills are intertwined. However, it is currently not understood how these cognitive processes develop and interact longitudinally at the within-person level -- either within or across genders. In this study, 553 students (52% girls) were assessed from fifth to seventh grades on 3-d mental…

Rising inequality in the United States has raised concerns about potentially widening gaps in educational achievement by socio-economic status (SES). Using assessments from LTT-NAEP [Long-Term Trend assessment administered by the National Assessment of Educational Progress], Main-NAEP, TIMSS [Trends in International Mathematics and Science Study],…

How and to what extent students learn history content is a complicated process, drawing from the instructional opportunities they experience; the policy prioritization of history/social studies instruction in schools; and their own cultural perspectives toward the past. In an attempt to better understand the complex inter-play among these…