Study Botwinick & Storandt (1974): study US St. Louis County, Missouri 1969
- Public
 - 20-80 aged, general public, metropolitan St. Louis area, USA, 197?
 - Sample
 - Respondents
 - N = 120
 - Non Response
 - Assessment
 - Interview: face-to-face
 
Correlate
- Authors's Label
 - Vocabulary
 - Our Classification
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 - Remarks
 - Wechsler, D.: Manual for the Wechsler Adult Intelligence Scale, New York, 1995.
 - Operationalization
 - Is a WAIS (Wechsler Adult Intelligence Scale) subtest and comprises a list of 40 words in general order of difficulty. With each word orally presented the subject attemps a good definition. Scores are: 2 is good, 1 is poor, 0 is incorrect or failure. After 5 consecutive zero scores the test is terminated. The total score is converted to a scaled score.