Geovisualization of Global Sex Differences in Mental Rotation Ability

A global survey conducted by BBC (2005) has reported spatial abilities in 53 nations. To have a direct visualization of global mental rotation ability and line angle judgement ability, and the corresponding sex differences in each spatial ability, I projected survey data on mercator maps using GIS (Thanks for the support of Prof. Richard A. Lippa), shown below:

Relevant resources:

• Sex Differences in Mental Rotation and Line Angle Judgments Are Positively Associated with Gender Equality and Economic Development Across 53 Nations Journal
• The BBC Internet Study: General Methodology Journal