Foreign and Russian practices of research and diagnosis of the gerontological ageism phenomenon

The development of foreign and Russian scientific psychological theories gerontological ageism brings this problem to a new level: approaches determining the essence are developing, methods models diagnosis, prevention assistance in discrimination emerging. purpose article is comparative analysis domestic practices studying phenomenon ageism. reliability research results confirmed by theoretical literature, literature. author attempts periodize theory practice countering periods science explaining problems analyzed. main conclusion causes factors discrimination.