Is Signature Size Associated With Organ Donor Designation on Driver's Licenses?

INTRODUCTION: Previous studies suggest that large signature size is associated with narcissistic characteristics. By contrast, organ donation is an indicator of altruism. Because altruism and narcissism may be viewed as opposites, we sought to determine if smaller signature size is associated with willingness to be an organ donor. METHODS: Using a cross-sectional study design, we reviewed the health records of 571 randomly selected primary care …