Fig. 5From: The INVEST project: investigating the use of evidence synthesis in the design and analysis of clinical trialsBarriers to the use of evidence synthesis (higher scores indicate greatest perceived barriers). Three points were assigned to the greatest barrier, 2 points to the second and 1 to the third. For example, 38 respondents ranked time constraints as the greatest barrier (3 × 38 = 114 points), 21 ranked it second (2 × 21 = 42) and 11 ranked it third (1 × 11 = 11)Back to article page