TraitSpring uses the public-domain six-item Gardening scale from the Oregon Avocational Interest Scales (ORAIS). The official scoring key reports coefficient alpha of .85 and states that all six items are positively keyed. IPIP explains that its posted alpha estimates are based on the Eugene–Springfield Community Sample, but the Gardening key does not identify the exact analytic sample for this coefficient. Alpha is a group-level internal-consistency estimate; it does not establish the accuracy, stability, meaning, or usefulness of one individual result.
The source response categories receive 1–5 points in order: Never in my life; Not in the past year; One or two times in the past year; Three to ten times in the past year; and More than ten times in the past year. All items are scored directly and summed for a total from 6 to 30. The report also shows the mean response position out of 5 only as a compact summary of ordered categories. Because the anchors are ordinal and uneven, that mean is not an average number of activities or occasions. TraitSpring’s less, mixed, and more positions describe locations on the possible response range, not source cutoffs, norms, percentiles, or population rankings.
6-item Oregon Avocational Interest Scales (ORAIS) Gardening scale
Lewis R. Goldberg (2010); International Personality Item Pool
Assessment v1.0.0 · Source links checked at publication on September 24, 2026
International Personality Item Pool — public domain; items and scales may be used for any commercial or noncommercial purpose without permission or a fee