When creating data visualizations, make sure to integrate your visualizations with the textual analysis to avoid a "slideshow effect." Other things to keep in mind:
For more tips, see Core Principles of Data Visualization.
After conducting research to develop an understanding of your user base, you will need to create personas. Use the following process to structure the personas:
Your final result should be roughly three to five personas with individual, identified characteristics. For more information, see the source of this information - usability.gov.