Table 2 Items explaining variation among people, as assessed by which items loaded most strongly onto each of the first two principal components of a PCA.

From: Decision-making of citizen scientists when recording species observations

Question group

Key items associated with variation among respondents

Experience

Society membership versus frequency of activity

Motivations

Spend time outdoors versus support conservation

Survey type

Active/planned search versus using traps

Active search species

Interesting species versus common species

Opportunistic species triggers

Rare species versus many individuals at the same time

Survey locations

Protected areas versus non-green urban areas

Species ID uncertainty

Use an identification guide versus not report

  1. Figure S8 shows the PCA biplots for each question group and Table S1 lists all items within each question group.