Teacher evaluations can be used by states and districts to support and develop an exceptional workforce. Accurate evaluations based on quality data can help differentiate teacher performance, inform feedback, improve professional development, provide opportunities for pay increases and advancement, and provide rationale for teacher dismissals. Yet…

Visualization skills are believed to be a strong indicator of success in engineering, science, and a variety of other careers. Previous studies have compared the visualization skills of first year engineering students in the US with their cohorts in Europe and Brazil, but to date there have been no data reported for developing countries in Africa.…