title: The phases of adult life: a study in developmental psychology.
mesh_terms: D000223:Adaptation, Psychological; D000293:Adolescent; D000328:Adult; D000375:Aging; D001290:Attitude; D003071:Cognition; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008019:Life Style; D008297:Male; D001523:Mental Disorders; D008875:Middle Aged; D010044:Outpatient Clinics, Hospital; D010290:Parents; D010553:Personality Development; D011574:Psychoanalytic Theory; D011615:Psychotherapy, Group; D012649:Self Concept; D011795:Surveys and Questionnaires; D013998:Time Perception