This page covers some of the graphic design principles to keep in mind when creating infographics. The focus here is on taking advantage of existing resources to help you design, rather than teaching graphic design from the ground up.
There are three sections on this guide:
A good typeface can help make your message more effective. These free resources help you identify fonts that you like, and download free usable fonts.
A few guiding principles to keep in mind:
Color has a huge impact on design. If something is well designed but has poor color choices, it will not be successful. Don't take it personally - it's just how our brains work!
Color theory is the field of study that examines how colors effect sensory experience. Even if you don't know much about color theory, you can take advantage of these free resources to pick colors that work well together.
These free (or free-to-you-at-Penn) resources offer icons, images and symbols to help enhance your design. While clip art can be cheesy, these resources also offer professional graphics that won't make your design look like a terrible MS Office document.