Sample characteristics and preliminary analyses The score sample consisted of 2,897 primary reviewer scores and 8,599 panelist scores across 12 review cycles (Table 1). Primary reviewers gave a mean pre-discussion score of 4.1 (range 1–9, with lower numbers indicating stronger score), mean post-discussion score of 4.6 (range 1–9), and mean magnitude of pre- to post-discussion score change of 0.8 (range 0–7).