Figure 4From: Making change last: applying the NHS institute for innovation and improvement sustainability model to healthcare improvement ‘Diversity of opinion’ analysis. At each point in time, the distribution shows the frequency of occurrence of each diversity score from 0 (full agreement) to 3 (maximum diversity of opinion). Distributions that are positively skewed (higher frequencies in low scores) indicate less diversity of opinion than negatively skewed distributions (higher frequencies in high scores).Back to article page