Every high school graduate should be able to use data analysis and statistical reasoning to draw conclusions about the world. Two core statistical concepts for students to understand are the role of variability in measures and evaluating the effect of a variable. In the activity presented in this article, students investigate a scientific question…

During the past decade, researchers in special education have begun to investigate the unique and complex challenges encountered by novice special educators. These investigations have documented numerous factors in special education settings that contribute to the stresses of the first year of teaching for them, including: role ambiguity, students…