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Abstract The Career Development Inventory is an American instrument designed to measure the vocational maturity of adolescents. Its scales assess Planning Orientation, Resources for Exploration, and Information and Decision-Making. It can be used in evaluating guidance programmes, services and activities, though there are a number of obstacles to using the instrument effectively in evaluation studies, including the limited impact to be expected of a limited programme, and the relative insensitivity of instruments such as the CDI. The other main use of the instrument is diagnostic, either with groups or in individual counselling. It is now being adapted for use in a number of other countries.
Donald E. Super (Sun,) studied this question.