Verbatim knowledge
Verbatim knowledge reflects the precise quantitative understanding and was assessed with 8 quantitative questions that asked for numerical statements and comparisons. To answer those questions, participants needed to read off frequencies from the information chart (e.g., “How many patients experience side effects with Ibuprofen?”) and compute absolute differences between 2 frequencies from the information chart (e.g., “How many patients experience a benefit of ibuprofen that they would not have had with a placebo?”). The verbatim knowledge score is the average proportion of correct answers and was assessed with identical questions at T1 and T2. Missing cells were treated as mistakes.