Figure 2.

Tone of clinical trials and related newspaper articles. Comparison for the tone (positive, neutral, negative) of herbal remedy and pharmaceutical clinical trials and the newspaper articles reporting on those trials. There are four measures of tone: the tone of the results/outcomes of the clinical trial; the overall tone of the clinical trial, taking into account limitations and the discussion; the tone of the assessment of the specific clinical trial in the newspaper article; and the overall tone of the entire newspaper article.