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| Cluster Grouping | 1 |
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| Journal of Counseling… | 1 |
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| Zytowski, Donald G. | 1 |
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Peer reviewedZytowski, Donald G. – Journal of Counseling Psychology, 1986
The processes by which Roe (1956) and Holland (1966) developed their structural representations of occupations are compared. Roe, using almost exclusively nonempirical means, formulated an eight-group circumplex, virtually identical to Holland's six-group hexagonal configuration that resulted from empirical research spanning 11 years. The…
Descriptors: Classification, Cluster Grouping, Evaluation, Methods
