Rate of Left-Handedness in the US: Stigma & Society

Rate of Left-Handedness in the United States
data visualization by Chris Ingraham/the Washington Post; slow reveal by Jenna Laib

(Slide deck includes notes and questions to elicit discourse)

Type of Graph: line graph

Visualization Source: Ingraham, Christopher. “The Surprising Geography of American Left-Handedness.” (The Washington Post, September 22, 2015)

Data Source: McManus, I.C. (2009) “The History and Geography of Left Handedness.” Language Lateralization and Psychosis, ed. Iris E.C. Sommer and René S. Kahn. Cambridge University Press.

Paired Texted/Resources:

• Ari Drennen, “The Left-Handed ‘Epidemic’ Gripping America.” (YouTube, published on October 26, 2021)

Potential Math Content: line graph, percentages, shape of data, developing theories about why, change over time

Potential Content Connections: culture, LGBTQ+ or queer issues