title: Future commitments and successful aging. I. The random sample.
mesh_terms: D000203:Activities of Daily Living; D000223:Adaptation, Psychological; D000368:Aged; D000375:Aging; D001519:Behavior; D004644:Emotions; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D010555:Personality Inventory; D011998:Recreation; D012494:Sampling Studies; D012649:Self Concept; D012917:Social Adjustment; D012959:Socioeconomic Factors; D011795:Surveys and Questionnaires