Significant, positive correlation between level of expertise (scale of 1–5, from no to high expertise) and level of uncertainty (scale of 1–5, from low to high uncertainty) with bubbles that are proportional to the number of overlapping data points.

 
 
  Part of: Schulz AN, Mech AM, Allen CR, Ayres MP, Gandhi KJK, Gurevitch J, Havill NP, Herms DA, Hufbauer RA, Liebhold AM, Raffa KF, Raupp MJ, Thomas KA, Tobin PC, Marsico TD (2020) The impact is in the details: evaluating a standardized protocol and scale for determining non-native insect impact. NeoBiota 55: 61-83. https://doi.org/10.3897/neobiota.55.38981