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This research reports the development of a 15-item index of self-actualization that will be useful in research contexts. The index is based primarily on modified items from the most widely accepted measure of self-actualization, the Personal Orientation Inventory. The index had a significant correlation with this inventory (r = .67, p < .001). It also correlated as expected with measures of self-esteem, rational behavior and beliefs, neuroticism, and extraversion. The index discriminated between groups of people nominated as self-actualizing and as non-self-actualizing. There were no problems with response sets, and the index was resistant to "faking good." Weaknesses of the scale are discussed as well as means to overcome these weaknesses.
Jones et al. (Sat,) studied this question.