title: Self-concepts before and after survival training.
mesh_terms: D000293:Adolescent; D000328:Adult; D001290:Attitude; D006801:Humans; D008297:Male; D010465:Perception; D010809:Physical Fitness; D011581:Psychological Tests; D012649:Self Concept; D012659:Semantic Differential; D013534:Survival; D013997:Time Factors