noun
Refers to a person's conduct or behavior, often in a moral or disciplinary context. Common in phrases like 素行が悪い (bad behavior) or 素行調査 (background check).
彼は素行が悪くて、よく先生に叱られる。
He has bad behavior and is often scolded by the teacher.
採用前に素行調査が行われることもある。
A background check may be conducted before hiring.