Fig 1.
Flow diagram of the study design.
Fig 2.
Icon array presented in the survey.
Fig 3.
Bar graph presented in the survey.
Table 1.
Overview of survey structure.
Table 2.
Baseline measures.
Fig 4.
The percentage of participants in each trial arm that correctly answered each knowledge question in the survey.
Table 3.
Comparison of participants’ understanding and objective numeracy and graph literacy proficiency for each trial arm.
Table 4.
Rationale provided by users as to why they prefer the bar graph or the icon array.