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Harrington, Thomas F. – 1989
The field testing process for the collection of data on the norms, reliability, and concurrent validity of the Career Decision-Making System (CDM) is described. The CDM is a comprehensive career planning instrument that surveys interests, values, abilities, and training plans and relates them to career information in client-oriented interpretive…
Descriptors: Adults, Career Planning, College Students, Comparative Testing
Leon, Marjorie Roth; Zawojewski, Judith S. – 1993
The understanding of children and adults regarding four component properties of the arithmetic mean was studied. The component properties were: (1) the mean is a data point between extreme values of a score distribution; (2) the sum of deviations about the mean equals zero; (3) when the mean is calculated, any value of zero must be taken into…
Descriptors: Age Differences, Child Development, College Students, Comparative Testing